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55
Thermal & Energy Analysis for Architects: Why, When, & How Lori Ferriss, PE & Elaine Hoffman, CPHC NESEA BuildingEnergy Boston | March 9, 2018

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Thermal amp Energy Analysis for Architects

Why When amp How

Lori Ferriss PE amp Elaine Hoffman CPHC

NESEA BuildingEnergy Boston | March 9 2018

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

2

SPEAKERS

Lori Ferriss PEProject Manager in Architecture and Preservation at Goody Clancy

ICOMOS International Scientifi c Committee for Energy and Sustainability

Co-Chair of Assocation for Preservation Technology Zero Net Carbon Collaborative

BS MEng Massachussetts Institute of Technology

Elaine Hoffman CPHCArchitectCo-chair of Goody Clancy 2030 Committee

BA in Environmental Studies Tufts University

MArch Columbia University

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

3

LEARNING OBJECTIVES

bull Become familiar with the sustainability analysis tools available to designers and

how to implement them

bull Identify strategies to expand designersrsquo use of analysis tools

bull Understand how design tools can be used to ensure compliance with energy codes

bull Understand the terminology and fundamental principles of life cycle assessment

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

4

OVERVIEW

I IntroductionA

NA

LYS

IS T

OO

LS

V Integrating the Process

VI Discussion

II Thermal Modeling - THERM

III Energy Modeling - Insight360

IV Life Cycle Assessment - Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

5

SUSTAINABLE ANALYSIS TOOLS

ldquoIf you canrsquot measure it you canrsquot understand it

If you canrsquot understand it you canrsquot control it

If you canrsquot control it you canrsquot improve itrdquo- H JAMES HARRINGTON

Value of Analytical Thinking

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

6

THERM

1994

Tally

20132016

Revit

2000

Insight360WUFI

1995

Sefaira

2009

Athena

LCA Tools

2002

GaBi

1992

AutoCAD

19821996

EnergyPlus DesignBuilder

2005

Development of Software Tools

19972009

Architecture 2030

2002

LEED

1994

ldquopassive houserdquo

concept in US

1980s1974

Passive House

Institute US

2007

International Living

Building Institute

New Buildings

InstituteNESEA

Emergence of Organizations and Standards

ASHRAE

90-75

1975

HOW WE GOT HERE AND WHERE WErsquoRE GOING

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

7

THE PROCESS OF SUSTAINABLE DESIGN - STATUS QUOAnalysis as a Decision Making Tool

Energy Model

DETERMINE PROJECTED ENERGY CONSUMPTION

Design Model

CREATE DESIGN AND CONSTRUCTION DOCUMENTS

Energy Conservation Measures

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

8

Integrating Tools into the Design ProcessTHE PROCESS OF SUSTAINABLE DESIGN

BIM Model

Detailed

Energy Model

Hygrothermal Model -

WUFI

Thermal Model -

THERM

Energy Model -

Insight360

Life Cycle Assessment -

Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

9

CONTENTS

I IntroductionA

NA

LYS

IS T

OO

LS

V Integrating the Process

VI Discussion

II Thermal Modeling - THERM

III Energy Modeling - Insight360

IV Life Cycle Assessment - Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

10

THERMAL MODELING

bull Thermal bridging can reduce effectiveness of insulation by ~40 (Morrison

Hershfi eld 2011)

bull R-Values can vary from laboratory tested values by as much as 3-5x when

installed in an assembly (Straube)

bull Two primary impacts of thermal bridging

1 Affect total heat loss through the envelope

2 Create local cold spots resulting in condensation material

degradation andor occupant discomfort

WHY - Impacts of Thermal Bridging on Building Performance

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

11

THERMAL MODELING

bull Calculates 2-D heat transfer of elements or assemblies based on fi nite element analysis

bull Renders resulting temperatures across the section

bull Simple to use in-house independent of energy modeling or full envelope design by a consultant

bull Understand the implications of material selection on R-Value early in design

bull Understand how R-Value is impacted by how we detail assemblies and transitions

bull Results feed into energy modeling for more accurate results

bull Model assemblies to comply with building code requirements

bull Graphic output can be used to communicate with clients and others

WHY - THERM by LBNL

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

12

THERMAL MODELINGHOW - Evaluating Existing Conditions

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

13

Retrofi t Option A Fill Stud Cavity w Closed Cell Spray FoamCalculated R-Value = 204 hft2FBtu

Simulated R-Value =15 hft2FBtu

THERMAL MODELINGHOW - Evaluating Retrofi t Options

Retrofi t Option B Fill Stud Cavity w Closed Cell Spray Foam + 1rdquo Continuous InteriorCalculated R-Value = 264 hft2FBtu

Simulated R-Value = 25 hft2FBtu

Existing Wall (shown in plan) Calculated Baseline R-Value = 984 hft2FBtuSimulated R-Value = 86 hft2FBtu

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

14

Existing Wall (shown in plan) Simulated R-Value = 86 hft2FBtu

THERMAL MODELINGHOW - Evaluating Retrofi t Options

Proposed Wall Simulated R-Value = 14 hft2FBtu

WUFI Analysis

Existing Brick

3 58rdquo Mineral Wool

Smart Vapor Barrier

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

15

THERMAL MODELINGWHEN - Detailing and Material Selection

Thermally-Broken Brick TieR = 312 hft2FBtu

Standard Brick TieR = 86 hft2FBtu

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

16

THERMAL MODELINGWHEN - Evaluating Shop Drawings and Material Substitutions

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

17

CONTENTS

I IntroductionA

NA

LYS

IS T

OO

LS

V Integrating the Process

VI Discussion

II Thermal Modeling - THERM

III Energy Modeling - Insight360

IV Life Cycle Assessment - Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

18

BUILDING INFORMATION ANALYTICAL MODEL INSIGHT ANALYSIS

HOW - Generating an Energy Model in RevitENERGY MODELING - INSIGHT360

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

19

ldquoScalable Precisionrdquo in Generating the ModelENERGY MODELING - INSIGHT360

BIM Energy Settings

Conceptual Masses

CHOOSE Geometry Mode

+

CHOOSE Material Thermal Properties

Mode

Building Elements Schematic Types

Conceptual Types

Detailed ElementsBothOR OR

OR OR

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

20

New Construction ExampleENERGY MODELING - INSIGHT360

Project LocationBuilding UseBuilding MassBuilding Elements

Building OrientationWindow-Wall-Ratio - by elevationWindow Shades ndash by elevationWindow Type ndash by elevationWall ConstructionRoof ConstructionInfi ltrationLightingPlug Load Effi ciencyDaylighting and Occupancy ControlsHVAC Types (limited options)Operating Schedule PV Potential

Iteratively Tested through Insight

Defi ned in Revit

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

21

Existing Building ExampleENERGY MODELING - INSIGHT360

Project LocationBuilding UseBuilding OrientationWindow-Wall-Ratio - by elevationWindow Shades ndash by elevation

Defi ned in Revit

Wall ConstructionRoof ConstructionInfi ltrationWindow Type ndash by elevationLightingPlug Load Effi ciencyDaylighting and Occupancy ControlsHVAC Types (limited options)

Iteratively Tested through Insight

Operating Schedule PV Potential

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

22

How to tell if your analytical surfaces are workingENERGY MODELING - INSIGHT360

INTERIOR WALLS ONLY

FLOORS ONLY

ERRORWORKING

EXTERIOR WALLS ONLY

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

23

ENERGY MODELING - INSIGHT360

How to use Insight to drive decisions about your exterior glazing

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

24

Study each variable to determine signifi cance to energy use intensity (EUI)ENERGY MODELING - INSIGHT360

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

25

Understanding relative impact of each variableENERGY MODELING - INSIGHT360

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

26

Understanding relative impact of each variableENERGY MODELING - INSIGHT360

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

27

Window Types defi ned within tiers of precisionENERGY MODELING - INSIGHT360

Tier 3 Schematic Types

Tier 2 Conceptual OptionsTier 1 Slider

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

28

Insight360 vs traditional energy modelENERGY MODELING - INSIGHT360

Inputs fl exible to allow for scalable

precision to evolve throughout your

process

Can be run from recorded

weather data or regional

averages uses DOE-2

engine

BOTH Typical Energy ModelInsight360

Process Meant to be run iteratively

from within your BIM model

Output EUI range

Limitations Cannot parametrically

test building form limited HVAC presets

Essential tools for

evaluating performance of

design

Inputs specifi c numerical value

across many fi elds

Process Limited ability to iterate

must export or create fi le from scratch

duplicates labor

Output Generate a specifi c estimate

rather than a range

Advantages More nuaned HVAC

evaluation

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

29

CONTENTS

I IntroductionA

NA

LYS

IS T

OO

LS

V Integrating the Process

VI Discussion

II Thermal Modeling - THERM

III Energy Modeling - Insight360

IV Life Cycle Assessment - Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

30

LIFE CYCLE ASSESSMENT (LCA)Scientifi c method for measuring the potential cradle to grave or cradle to cradle

environmental footprint of materials products and services over their entire life-

time

IMAGE CREDIT IRISH GREEN BUILDING COUNCIL

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

31

WHY - Cradle to Grave ImpactsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

32

WHY - Impact CategoriesLIFE CYCLE ASSESSMENT (LCA)

bull Global Warming Potential

bull Ozone Depletion Potential

bull Acidifi cation Potential

bull Eutrophication Potential

bull Formation of Tropospheric Ozone (Smog) Potential

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

33

WHY - Cradle to Grave ImpactsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

34

WHY - Impact CategoriesLIFE CYCLE ASSESSMENT (LCA)

WE HAVE 35 YEARS TO GET TO ZERO CARBON

SO WHY ARE WE STILL MEASURING IMPACTS

BASED ON A BUILDINGrsquoS FULL LIFESPAN

-Architecture2030

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

35

LIFE CYCLE ASSESSMENT (LCA)

INPUTS ASSESSMENT OUTPUTS

Material

Attributes amp

Quantity

Materialrsquos GWP

multiplierx

x

x

x

x

x

=

=

=

=

=

=

Materialrsquos ODP

multiplier

Materialrsquos AP

multiplier

Materialrsquos EP

multiplier

Materialrsquos TOP

multiplier

Materialrsquos NRDP

multiplier

Global Warming Potential

in kg CO2e

Ozone Depletion Potential

in kg CFC-11

Acidification Potential

in kg SO2

Eutrophication Potential

in kg nitrogen or kg phosphate

Tropospheric Ozone Potential

in kg NOx or kg O3 eq

Non-renewable Resource

Depletion Potential

in MJ

Project Location

and Service Life

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

36

ImplementationLIFE CYCLE ASSESSMENT (LCA)

Excel Spreadsheet

Environmental Product Declaration

Analysis Software Tools

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

37

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

38

HOW - Window ProductsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

39

DEFINE GLAZING

DEFINE WINDOW FRAME

CHOOSE FROM MATERIAL

DROPDOWN

OPTION TO DEFINE MATERIAL

TAKEOFF METHOD

OPTION TO DEFINE SERVICE

LIFE OF EACH ELEMENT

MATERIAL OPTIONS WITH EPDS

ARE NOTED

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

40

FINALIZE PROJECT SETTINGS

OPTION TO INCLUDE OPERATIONAL ENERGY

OPTION TO INCLUDE CONSTRUCTION IMPACTS

HOW - Window ProductsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

41

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

42

HOW - Structural System SelectionIMPLEMENTATION - LCA SOFTWARE

Compare an equivalent 30rsquo x 30rsquo structural bay constructed of

I Concrete columns beams and slab

II Steel columns beams and joists with concrete on metal deck

III Glulam columns and beams with wood infi ll and a concrete topping slab

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

43

HOW - Structural Systems ComparisonIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

44

HOW - Structural Systems ComparisonIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

45

bull 115000 sf existing building from the 1970s

bull Brick cladding and concrete structural system

bull Comprehensive renovation including new systems and partition walls

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

46

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

47

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

48

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

49

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

50

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

Total embodied Global Warming Potential of renovation = 782118 kgCO2eq

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

51

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

Total embodied Global Warming Potential of renovation = 782118 kgCO2eq

It takes = ~2 years of operation for the improved operational effi ciency to payback the renovation impacts

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

52

OVERVIEW

I IntroductionA

NA

LYS

IS T

OO

LS

V Integrating the Process

VI Discussion

II Thermal Modeling - THERM

III Energy Modeling - Insight360

IV Life Cycle Assessment - Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

53

ANALYTICAL WORKFLOW INTEGRATIONPROPOSAL CONCEPTS SCHEMATIC DESIGN

DEVELOPMENT

CONSTRUCTION

DOCUMENTS

CONSTRUCTION

ADMINISTRATION

OCCUPANCY

THERMAL

ANALYSIS

ENERGY

ANALYSIS

LIFE CYCLE

ANALYSIS

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

54

Integrating tools into the envelope design processANALYTICAL WORKFLOW

BIM Model

Detailed

Energy Model DETERMINE PROJECTED ENERGY CONSUMPTION

Whole building analysis

WUFIDETERMINE HYGROTHERMAL PERFORMANCE OF ENVELOPE

Whole building analysis

ThermDETERMINE PSI VALUES AT ANY POTENTIAL THERMAL BRIDGES

Slab details

Slab details at exterior wall

Exterior wall amp window details

Roof details at exterior wall

Roof details

Insight360 DETERMINE R-VALUE OF EACH COMPONENT

Slab Defi ne assembly

Wall Defi ne opaque wall assembly

Defi ne glazing components

Defi ne window-to-wall ratio

Roof Defi ne assembly

Tally DETERMINE EMBODIED CARBON OF ENVELOPE

Bill of materials Slab assembly

Exterior wall assembly

Glazing components

Roof assembly

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

55

How can tools be integrated differently through the design and construction process

What is the best workfl ow for collaborative design using analytic tools

What tools do you wish were available

Have you engaged in knowledge sharing or education about analytical tools

What tools make the biggest impact on the performance of the fi nal building

What tools best communicate the urgency of high performance low-carbon design to clients

Should certain tools be used exclusively by certain members of the design team

DISCUSSION

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

2

SPEAKERS

Lori Ferriss PEProject Manager in Architecture and Preservation at Goody Clancy

ICOMOS International Scientifi c Committee for Energy and Sustainability

Co-Chair of Assocation for Preservation Technology Zero Net Carbon Collaborative

BS MEng Massachussetts Institute of Technology

Elaine Hoffman CPHCArchitectCo-chair of Goody Clancy 2030 Committee

BA in Environmental Studies Tufts University

MArch Columbia University

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

3

LEARNING OBJECTIVES

bull Become familiar with the sustainability analysis tools available to designers and

how to implement them

bull Identify strategies to expand designersrsquo use of analysis tools

bull Understand how design tools can be used to ensure compliance with energy codes

bull Understand the terminology and fundamental principles of life cycle assessment

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

4

OVERVIEW

I IntroductionA

NA

LYS

IS T

OO

LS

V Integrating the Process

VI Discussion

II Thermal Modeling - THERM

III Energy Modeling - Insight360

IV Life Cycle Assessment - Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

5

SUSTAINABLE ANALYSIS TOOLS

ldquoIf you canrsquot measure it you canrsquot understand it

If you canrsquot understand it you canrsquot control it

If you canrsquot control it you canrsquot improve itrdquo- H JAMES HARRINGTON

Value of Analytical Thinking

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

6

THERM

1994

Tally

20132016

Revit

2000

Insight360WUFI

1995

Sefaira

2009

Athena

LCA Tools

2002

GaBi

1992

AutoCAD

19821996

EnergyPlus DesignBuilder

2005

Development of Software Tools

19972009

Architecture 2030

2002

LEED

1994

ldquopassive houserdquo

concept in US

1980s1974

Passive House

Institute US

2007

International Living

Building Institute

New Buildings

InstituteNESEA

Emergence of Organizations and Standards

ASHRAE

90-75

1975

HOW WE GOT HERE AND WHERE WErsquoRE GOING

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

7

THE PROCESS OF SUSTAINABLE DESIGN - STATUS QUOAnalysis as a Decision Making Tool

Energy Model

DETERMINE PROJECTED ENERGY CONSUMPTION

Design Model

CREATE DESIGN AND CONSTRUCTION DOCUMENTS

Energy Conservation Measures

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

8

Integrating Tools into the Design ProcessTHE PROCESS OF SUSTAINABLE DESIGN

BIM Model

Detailed

Energy Model

Hygrothermal Model -

WUFI

Thermal Model -

THERM

Energy Model -

Insight360

Life Cycle Assessment -

Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

9

CONTENTS

I IntroductionA

NA

LYS

IS T

OO

LS

V Integrating the Process

VI Discussion

II Thermal Modeling - THERM

III Energy Modeling - Insight360

IV Life Cycle Assessment - Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

10

THERMAL MODELING

bull Thermal bridging can reduce effectiveness of insulation by ~40 (Morrison

Hershfi eld 2011)

bull R-Values can vary from laboratory tested values by as much as 3-5x when

installed in an assembly (Straube)

bull Two primary impacts of thermal bridging

1 Affect total heat loss through the envelope

2 Create local cold spots resulting in condensation material

degradation andor occupant discomfort

WHY - Impacts of Thermal Bridging on Building Performance

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

11

THERMAL MODELING

bull Calculates 2-D heat transfer of elements or assemblies based on fi nite element analysis

bull Renders resulting temperatures across the section

bull Simple to use in-house independent of energy modeling or full envelope design by a consultant

bull Understand the implications of material selection on R-Value early in design

bull Understand how R-Value is impacted by how we detail assemblies and transitions

bull Results feed into energy modeling for more accurate results

bull Model assemblies to comply with building code requirements

bull Graphic output can be used to communicate with clients and others

WHY - THERM by LBNL

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

12

THERMAL MODELINGHOW - Evaluating Existing Conditions

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

13

Retrofi t Option A Fill Stud Cavity w Closed Cell Spray FoamCalculated R-Value = 204 hft2FBtu

Simulated R-Value =15 hft2FBtu

THERMAL MODELINGHOW - Evaluating Retrofi t Options

Retrofi t Option B Fill Stud Cavity w Closed Cell Spray Foam + 1rdquo Continuous InteriorCalculated R-Value = 264 hft2FBtu

Simulated R-Value = 25 hft2FBtu

Existing Wall (shown in plan) Calculated Baseline R-Value = 984 hft2FBtuSimulated R-Value = 86 hft2FBtu

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

14

Existing Wall (shown in plan) Simulated R-Value = 86 hft2FBtu

THERMAL MODELINGHOW - Evaluating Retrofi t Options

Proposed Wall Simulated R-Value = 14 hft2FBtu

WUFI Analysis

Existing Brick

3 58rdquo Mineral Wool

Smart Vapor Barrier

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

15

THERMAL MODELINGWHEN - Detailing and Material Selection

Thermally-Broken Brick TieR = 312 hft2FBtu

Standard Brick TieR = 86 hft2FBtu

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

16

THERMAL MODELINGWHEN - Evaluating Shop Drawings and Material Substitutions

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

17

CONTENTS

I IntroductionA

NA

LYS

IS T

OO

LS

V Integrating the Process

VI Discussion

II Thermal Modeling - THERM

III Energy Modeling - Insight360

IV Life Cycle Assessment - Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

18

BUILDING INFORMATION ANALYTICAL MODEL INSIGHT ANALYSIS

HOW - Generating an Energy Model in RevitENERGY MODELING - INSIGHT360

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

19

ldquoScalable Precisionrdquo in Generating the ModelENERGY MODELING - INSIGHT360

BIM Energy Settings

Conceptual Masses

CHOOSE Geometry Mode

+

CHOOSE Material Thermal Properties

Mode

Building Elements Schematic Types

Conceptual Types

Detailed ElementsBothOR OR

OR OR

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

20

New Construction ExampleENERGY MODELING - INSIGHT360

Project LocationBuilding UseBuilding MassBuilding Elements

Building OrientationWindow-Wall-Ratio - by elevationWindow Shades ndash by elevationWindow Type ndash by elevationWall ConstructionRoof ConstructionInfi ltrationLightingPlug Load Effi ciencyDaylighting and Occupancy ControlsHVAC Types (limited options)Operating Schedule PV Potential

Iteratively Tested through Insight

Defi ned in Revit

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

21

Existing Building ExampleENERGY MODELING - INSIGHT360

Project LocationBuilding UseBuilding OrientationWindow-Wall-Ratio - by elevationWindow Shades ndash by elevation

Defi ned in Revit

Wall ConstructionRoof ConstructionInfi ltrationWindow Type ndash by elevationLightingPlug Load Effi ciencyDaylighting and Occupancy ControlsHVAC Types (limited options)

Iteratively Tested through Insight

Operating Schedule PV Potential

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

22

How to tell if your analytical surfaces are workingENERGY MODELING - INSIGHT360

INTERIOR WALLS ONLY

FLOORS ONLY

ERRORWORKING

EXTERIOR WALLS ONLY

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

23

ENERGY MODELING - INSIGHT360

How to use Insight to drive decisions about your exterior glazing

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

24

Study each variable to determine signifi cance to energy use intensity (EUI)ENERGY MODELING - INSIGHT360

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

25

Understanding relative impact of each variableENERGY MODELING - INSIGHT360

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

26

Understanding relative impact of each variableENERGY MODELING - INSIGHT360

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

27

Window Types defi ned within tiers of precisionENERGY MODELING - INSIGHT360

Tier 3 Schematic Types

Tier 2 Conceptual OptionsTier 1 Slider

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

28

Insight360 vs traditional energy modelENERGY MODELING - INSIGHT360

Inputs fl exible to allow for scalable

precision to evolve throughout your

process

Can be run from recorded

weather data or regional

averages uses DOE-2

engine

BOTH Typical Energy ModelInsight360

Process Meant to be run iteratively

from within your BIM model

Output EUI range

Limitations Cannot parametrically

test building form limited HVAC presets

Essential tools for

evaluating performance of

design

Inputs specifi c numerical value

across many fi elds

Process Limited ability to iterate

must export or create fi le from scratch

duplicates labor

Output Generate a specifi c estimate

rather than a range

Advantages More nuaned HVAC

evaluation

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

29

CONTENTS

I IntroductionA

NA

LYS

IS T

OO

LS

V Integrating the Process

VI Discussion

II Thermal Modeling - THERM

III Energy Modeling - Insight360

IV Life Cycle Assessment - Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

30

LIFE CYCLE ASSESSMENT (LCA)Scientifi c method for measuring the potential cradle to grave or cradle to cradle

environmental footprint of materials products and services over their entire life-

time

IMAGE CREDIT IRISH GREEN BUILDING COUNCIL

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

31

WHY - Cradle to Grave ImpactsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

32

WHY - Impact CategoriesLIFE CYCLE ASSESSMENT (LCA)

bull Global Warming Potential

bull Ozone Depletion Potential

bull Acidifi cation Potential

bull Eutrophication Potential

bull Formation of Tropospheric Ozone (Smog) Potential

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

33

WHY - Cradle to Grave ImpactsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

34

WHY - Impact CategoriesLIFE CYCLE ASSESSMENT (LCA)

WE HAVE 35 YEARS TO GET TO ZERO CARBON

SO WHY ARE WE STILL MEASURING IMPACTS

BASED ON A BUILDINGrsquoS FULL LIFESPAN

-Architecture2030

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

35

LIFE CYCLE ASSESSMENT (LCA)

INPUTS ASSESSMENT OUTPUTS

Material

Attributes amp

Quantity

Materialrsquos GWP

multiplierx

x

x

x

x

x

=

=

=

=

=

=

Materialrsquos ODP

multiplier

Materialrsquos AP

multiplier

Materialrsquos EP

multiplier

Materialrsquos TOP

multiplier

Materialrsquos NRDP

multiplier

Global Warming Potential

in kg CO2e

Ozone Depletion Potential

in kg CFC-11

Acidification Potential

in kg SO2

Eutrophication Potential

in kg nitrogen or kg phosphate

Tropospheric Ozone Potential

in kg NOx or kg O3 eq

Non-renewable Resource

Depletion Potential

in MJ

Project Location

and Service Life

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

36

ImplementationLIFE CYCLE ASSESSMENT (LCA)

Excel Spreadsheet

Environmental Product Declaration

Analysis Software Tools

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

37

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

38

HOW - Window ProductsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

39

DEFINE GLAZING

DEFINE WINDOW FRAME

CHOOSE FROM MATERIAL

DROPDOWN

OPTION TO DEFINE MATERIAL

TAKEOFF METHOD

OPTION TO DEFINE SERVICE

LIFE OF EACH ELEMENT

MATERIAL OPTIONS WITH EPDS

ARE NOTED

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

40

FINALIZE PROJECT SETTINGS

OPTION TO INCLUDE OPERATIONAL ENERGY

OPTION TO INCLUDE CONSTRUCTION IMPACTS

HOW - Window ProductsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

41

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

42

HOW - Structural System SelectionIMPLEMENTATION - LCA SOFTWARE

Compare an equivalent 30rsquo x 30rsquo structural bay constructed of

I Concrete columns beams and slab

II Steel columns beams and joists with concrete on metal deck

III Glulam columns and beams with wood infi ll and a concrete topping slab

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

43

HOW - Structural Systems ComparisonIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

44

HOW - Structural Systems ComparisonIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

45

bull 115000 sf existing building from the 1970s

bull Brick cladding and concrete structural system

bull Comprehensive renovation including new systems and partition walls

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

46

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

47

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

48

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

49

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

50

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

Total embodied Global Warming Potential of renovation = 782118 kgCO2eq

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

51

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

Total embodied Global Warming Potential of renovation = 782118 kgCO2eq

It takes = ~2 years of operation for the improved operational effi ciency to payback the renovation impacts

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

52

OVERVIEW

I IntroductionA

NA

LYS

IS T

OO

LS

V Integrating the Process

VI Discussion

II Thermal Modeling - THERM

III Energy Modeling - Insight360

IV Life Cycle Assessment - Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

53

ANALYTICAL WORKFLOW INTEGRATIONPROPOSAL CONCEPTS SCHEMATIC DESIGN

DEVELOPMENT

CONSTRUCTION

DOCUMENTS

CONSTRUCTION

ADMINISTRATION

OCCUPANCY

THERMAL

ANALYSIS

ENERGY

ANALYSIS

LIFE CYCLE

ANALYSIS

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

54

Integrating tools into the envelope design processANALYTICAL WORKFLOW

BIM Model

Detailed

Energy Model DETERMINE PROJECTED ENERGY CONSUMPTION

Whole building analysis

WUFIDETERMINE HYGROTHERMAL PERFORMANCE OF ENVELOPE

Whole building analysis

ThermDETERMINE PSI VALUES AT ANY POTENTIAL THERMAL BRIDGES

Slab details

Slab details at exterior wall

Exterior wall amp window details

Roof details at exterior wall

Roof details

Insight360 DETERMINE R-VALUE OF EACH COMPONENT

Slab Defi ne assembly

Wall Defi ne opaque wall assembly

Defi ne glazing components

Defi ne window-to-wall ratio

Roof Defi ne assembly

Tally DETERMINE EMBODIED CARBON OF ENVELOPE

Bill of materials Slab assembly

Exterior wall assembly

Glazing components

Roof assembly

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

55

How can tools be integrated differently through the design and construction process

What is the best workfl ow for collaborative design using analytic tools

What tools do you wish were available

Have you engaged in knowledge sharing or education about analytical tools

What tools make the biggest impact on the performance of the fi nal building

What tools best communicate the urgency of high performance low-carbon design to clients

Should certain tools be used exclusively by certain members of the design team

DISCUSSION

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

3

LEARNING OBJECTIVES

bull Become familiar with the sustainability analysis tools available to designers and

how to implement them

bull Identify strategies to expand designersrsquo use of analysis tools

bull Understand how design tools can be used to ensure compliance with energy codes

bull Understand the terminology and fundamental principles of life cycle assessment

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

4

OVERVIEW

I IntroductionA

NA

LYS

IS T

OO

LS

V Integrating the Process

VI Discussion

II Thermal Modeling - THERM

III Energy Modeling - Insight360

IV Life Cycle Assessment - Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

5

SUSTAINABLE ANALYSIS TOOLS

ldquoIf you canrsquot measure it you canrsquot understand it

If you canrsquot understand it you canrsquot control it

If you canrsquot control it you canrsquot improve itrdquo- H JAMES HARRINGTON

Value of Analytical Thinking

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

6

THERM

1994

Tally

20132016

Revit

2000

Insight360WUFI

1995

Sefaira

2009

Athena

LCA Tools

2002

GaBi

1992

AutoCAD

19821996

EnergyPlus DesignBuilder

2005

Development of Software Tools

19972009

Architecture 2030

2002

LEED

1994

ldquopassive houserdquo

concept in US

1980s1974

Passive House

Institute US

2007

International Living

Building Institute

New Buildings

InstituteNESEA

Emergence of Organizations and Standards

ASHRAE

90-75

1975

HOW WE GOT HERE AND WHERE WErsquoRE GOING

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

7

THE PROCESS OF SUSTAINABLE DESIGN - STATUS QUOAnalysis as a Decision Making Tool

Energy Model

DETERMINE PROJECTED ENERGY CONSUMPTION

Design Model

CREATE DESIGN AND CONSTRUCTION DOCUMENTS

Energy Conservation Measures

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

8

Integrating Tools into the Design ProcessTHE PROCESS OF SUSTAINABLE DESIGN

BIM Model

Detailed

Energy Model

Hygrothermal Model -

WUFI

Thermal Model -

THERM

Energy Model -

Insight360

Life Cycle Assessment -

Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

9

CONTENTS

I IntroductionA

NA

LYS

IS T

OO

LS

V Integrating the Process

VI Discussion

II Thermal Modeling - THERM

III Energy Modeling - Insight360

IV Life Cycle Assessment - Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

10

THERMAL MODELING

bull Thermal bridging can reduce effectiveness of insulation by ~40 (Morrison

Hershfi eld 2011)

bull R-Values can vary from laboratory tested values by as much as 3-5x when

installed in an assembly (Straube)

bull Two primary impacts of thermal bridging

1 Affect total heat loss through the envelope

2 Create local cold spots resulting in condensation material

degradation andor occupant discomfort

WHY - Impacts of Thermal Bridging on Building Performance

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

11

THERMAL MODELING

bull Calculates 2-D heat transfer of elements or assemblies based on fi nite element analysis

bull Renders resulting temperatures across the section

bull Simple to use in-house independent of energy modeling or full envelope design by a consultant

bull Understand the implications of material selection on R-Value early in design

bull Understand how R-Value is impacted by how we detail assemblies and transitions

bull Results feed into energy modeling for more accurate results

bull Model assemblies to comply with building code requirements

bull Graphic output can be used to communicate with clients and others

WHY - THERM by LBNL

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

12

THERMAL MODELINGHOW - Evaluating Existing Conditions

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

13

Retrofi t Option A Fill Stud Cavity w Closed Cell Spray FoamCalculated R-Value = 204 hft2FBtu

Simulated R-Value =15 hft2FBtu

THERMAL MODELINGHOW - Evaluating Retrofi t Options

Retrofi t Option B Fill Stud Cavity w Closed Cell Spray Foam + 1rdquo Continuous InteriorCalculated R-Value = 264 hft2FBtu

Simulated R-Value = 25 hft2FBtu

Existing Wall (shown in plan) Calculated Baseline R-Value = 984 hft2FBtuSimulated R-Value = 86 hft2FBtu

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

14

Existing Wall (shown in plan) Simulated R-Value = 86 hft2FBtu

THERMAL MODELINGHOW - Evaluating Retrofi t Options

Proposed Wall Simulated R-Value = 14 hft2FBtu

WUFI Analysis

Existing Brick

3 58rdquo Mineral Wool

Smart Vapor Barrier

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

15

THERMAL MODELINGWHEN - Detailing and Material Selection

Thermally-Broken Brick TieR = 312 hft2FBtu

Standard Brick TieR = 86 hft2FBtu

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

16

THERMAL MODELINGWHEN - Evaluating Shop Drawings and Material Substitutions

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

17

CONTENTS

I IntroductionA

NA

LYS

IS T

OO

LS

V Integrating the Process

VI Discussion

II Thermal Modeling - THERM

III Energy Modeling - Insight360

IV Life Cycle Assessment - Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

18

BUILDING INFORMATION ANALYTICAL MODEL INSIGHT ANALYSIS

HOW - Generating an Energy Model in RevitENERGY MODELING - INSIGHT360

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

19

ldquoScalable Precisionrdquo in Generating the ModelENERGY MODELING - INSIGHT360

BIM Energy Settings

Conceptual Masses

CHOOSE Geometry Mode

+

CHOOSE Material Thermal Properties

Mode

Building Elements Schematic Types

Conceptual Types

Detailed ElementsBothOR OR

OR OR

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

20

New Construction ExampleENERGY MODELING - INSIGHT360

Project LocationBuilding UseBuilding MassBuilding Elements

Building OrientationWindow-Wall-Ratio - by elevationWindow Shades ndash by elevationWindow Type ndash by elevationWall ConstructionRoof ConstructionInfi ltrationLightingPlug Load Effi ciencyDaylighting and Occupancy ControlsHVAC Types (limited options)Operating Schedule PV Potential

Iteratively Tested through Insight

Defi ned in Revit

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

21

Existing Building ExampleENERGY MODELING - INSIGHT360

Project LocationBuilding UseBuilding OrientationWindow-Wall-Ratio - by elevationWindow Shades ndash by elevation

Defi ned in Revit

Wall ConstructionRoof ConstructionInfi ltrationWindow Type ndash by elevationLightingPlug Load Effi ciencyDaylighting and Occupancy ControlsHVAC Types (limited options)

Iteratively Tested through Insight

Operating Schedule PV Potential

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

22

How to tell if your analytical surfaces are workingENERGY MODELING - INSIGHT360

INTERIOR WALLS ONLY

FLOORS ONLY

ERRORWORKING

EXTERIOR WALLS ONLY

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

23

ENERGY MODELING - INSIGHT360

How to use Insight to drive decisions about your exterior glazing

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

24

Study each variable to determine signifi cance to energy use intensity (EUI)ENERGY MODELING - INSIGHT360

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

25

Understanding relative impact of each variableENERGY MODELING - INSIGHT360

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

26

Understanding relative impact of each variableENERGY MODELING - INSIGHT360

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

27

Window Types defi ned within tiers of precisionENERGY MODELING - INSIGHT360

Tier 3 Schematic Types

Tier 2 Conceptual OptionsTier 1 Slider

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

28

Insight360 vs traditional energy modelENERGY MODELING - INSIGHT360

Inputs fl exible to allow for scalable

precision to evolve throughout your

process

Can be run from recorded

weather data or regional

averages uses DOE-2

engine

BOTH Typical Energy ModelInsight360

Process Meant to be run iteratively

from within your BIM model

Output EUI range

Limitations Cannot parametrically

test building form limited HVAC presets

Essential tools for

evaluating performance of

design

Inputs specifi c numerical value

across many fi elds

Process Limited ability to iterate

must export or create fi le from scratch

duplicates labor

Output Generate a specifi c estimate

rather than a range

Advantages More nuaned HVAC

evaluation

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

29

CONTENTS

I IntroductionA

NA

LYS

IS T

OO

LS

V Integrating the Process

VI Discussion

II Thermal Modeling - THERM

III Energy Modeling - Insight360

IV Life Cycle Assessment - Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

30

LIFE CYCLE ASSESSMENT (LCA)Scientifi c method for measuring the potential cradle to grave or cradle to cradle

environmental footprint of materials products and services over their entire life-

time

IMAGE CREDIT IRISH GREEN BUILDING COUNCIL

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

31

WHY - Cradle to Grave ImpactsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

32

WHY - Impact CategoriesLIFE CYCLE ASSESSMENT (LCA)

bull Global Warming Potential

bull Ozone Depletion Potential

bull Acidifi cation Potential

bull Eutrophication Potential

bull Formation of Tropospheric Ozone (Smog) Potential

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

33

WHY - Cradle to Grave ImpactsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

34

WHY - Impact CategoriesLIFE CYCLE ASSESSMENT (LCA)

WE HAVE 35 YEARS TO GET TO ZERO CARBON

SO WHY ARE WE STILL MEASURING IMPACTS

BASED ON A BUILDINGrsquoS FULL LIFESPAN

-Architecture2030

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

35

LIFE CYCLE ASSESSMENT (LCA)

INPUTS ASSESSMENT OUTPUTS

Material

Attributes amp

Quantity

Materialrsquos GWP

multiplierx

x

x

x

x

x

=

=

=

=

=

=

Materialrsquos ODP

multiplier

Materialrsquos AP

multiplier

Materialrsquos EP

multiplier

Materialrsquos TOP

multiplier

Materialrsquos NRDP

multiplier

Global Warming Potential

in kg CO2e

Ozone Depletion Potential

in kg CFC-11

Acidification Potential

in kg SO2

Eutrophication Potential

in kg nitrogen or kg phosphate

Tropospheric Ozone Potential

in kg NOx or kg O3 eq

Non-renewable Resource

Depletion Potential

in MJ

Project Location

and Service Life

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

36

ImplementationLIFE CYCLE ASSESSMENT (LCA)

Excel Spreadsheet

Environmental Product Declaration

Analysis Software Tools

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

37

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

38

HOW - Window ProductsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

39

DEFINE GLAZING

DEFINE WINDOW FRAME

CHOOSE FROM MATERIAL

DROPDOWN

OPTION TO DEFINE MATERIAL

TAKEOFF METHOD

OPTION TO DEFINE SERVICE

LIFE OF EACH ELEMENT

MATERIAL OPTIONS WITH EPDS

ARE NOTED

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

40

FINALIZE PROJECT SETTINGS

OPTION TO INCLUDE OPERATIONAL ENERGY

OPTION TO INCLUDE CONSTRUCTION IMPACTS

HOW - Window ProductsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

41

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

42

HOW - Structural System SelectionIMPLEMENTATION - LCA SOFTWARE

Compare an equivalent 30rsquo x 30rsquo structural bay constructed of

I Concrete columns beams and slab

II Steel columns beams and joists with concrete on metal deck

III Glulam columns and beams with wood infi ll and a concrete topping slab

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

43

HOW - Structural Systems ComparisonIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

44

HOW - Structural Systems ComparisonIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

45

bull 115000 sf existing building from the 1970s

bull Brick cladding and concrete structural system

bull Comprehensive renovation including new systems and partition walls

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

46

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

47

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

48

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

49

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

50

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

Total embodied Global Warming Potential of renovation = 782118 kgCO2eq

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

51

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

Total embodied Global Warming Potential of renovation = 782118 kgCO2eq

It takes = ~2 years of operation for the improved operational effi ciency to payback the renovation impacts

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

52

OVERVIEW

I IntroductionA

NA

LYS

IS T

OO

LS

V Integrating the Process

VI Discussion

II Thermal Modeling - THERM

III Energy Modeling - Insight360

IV Life Cycle Assessment - Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

53

ANALYTICAL WORKFLOW INTEGRATIONPROPOSAL CONCEPTS SCHEMATIC DESIGN

DEVELOPMENT

CONSTRUCTION

DOCUMENTS

CONSTRUCTION

ADMINISTRATION

OCCUPANCY

THERMAL

ANALYSIS

ENERGY

ANALYSIS

LIFE CYCLE

ANALYSIS

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

54

Integrating tools into the envelope design processANALYTICAL WORKFLOW

BIM Model

Detailed

Energy Model DETERMINE PROJECTED ENERGY CONSUMPTION

Whole building analysis

WUFIDETERMINE HYGROTHERMAL PERFORMANCE OF ENVELOPE

Whole building analysis

ThermDETERMINE PSI VALUES AT ANY POTENTIAL THERMAL BRIDGES

Slab details

Slab details at exterior wall

Exterior wall amp window details

Roof details at exterior wall

Roof details

Insight360 DETERMINE R-VALUE OF EACH COMPONENT

Slab Defi ne assembly

Wall Defi ne opaque wall assembly

Defi ne glazing components

Defi ne window-to-wall ratio

Roof Defi ne assembly

Tally DETERMINE EMBODIED CARBON OF ENVELOPE

Bill of materials Slab assembly

Exterior wall assembly

Glazing components

Roof assembly

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

55

How can tools be integrated differently through the design and construction process

What is the best workfl ow for collaborative design using analytic tools

What tools do you wish were available

Have you engaged in knowledge sharing or education about analytical tools

What tools make the biggest impact on the performance of the fi nal building

What tools best communicate the urgency of high performance low-carbon design to clients

Should certain tools be used exclusively by certain members of the design team

DISCUSSION

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

4

OVERVIEW

I IntroductionA

NA

LYS

IS T

OO

LS

V Integrating the Process

VI Discussion

II Thermal Modeling - THERM

III Energy Modeling - Insight360

IV Life Cycle Assessment - Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

5

SUSTAINABLE ANALYSIS TOOLS

ldquoIf you canrsquot measure it you canrsquot understand it

If you canrsquot understand it you canrsquot control it

If you canrsquot control it you canrsquot improve itrdquo- H JAMES HARRINGTON

Value of Analytical Thinking

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

6

THERM

1994

Tally

20132016

Revit

2000

Insight360WUFI

1995

Sefaira

2009

Athena

LCA Tools

2002

GaBi

1992

AutoCAD

19821996

EnergyPlus DesignBuilder

2005

Development of Software Tools

19972009

Architecture 2030

2002

LEED

1994

ldquopassive houserdquo

concept in US

1980s1974

Passive House

Institute US

2007

International Living

Building Institute

New Buildings

InstituteNESEA

Emergence of Organizations and Standards

ASHRAE

90-75

1975

HOW WE GOT HERE AND WHERE WErsquoRE GOING

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

7

THE PROCESS OF SUSTAINABLE DESIGN - STATUS QUOAnalysis as a Decision Making Tool

Energy Model

DETERMINE PROJECTED ENERGY CONSUMPTION

Design Model

CREATE DESIGN AND CONSTRUCTION DOCUMENTS

Energy Conservation Measures

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

8

Integrating Tools into the Design ProcessTHE PROCESS OF SUSTAINABLE DESIGN

BIM Model

Detailed

Energy Model

Hygrothermal Model -

WUFI

Thermal Model -

THERM

Energy Model -

Insight360

Life Cycle Assessment -

Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

9

CONTENTS

I IntroductionA

NA

LYS

IS T

OO

LS

V Integrating the Process

VI Discussion

II Thermal Modeling - THERM

III Energy Modeling - Insight360

IV Life Cycle Assessment - Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

10

THERMAL MODELING

bull Thermal bridging can reduce effectiveness of insulation by ~40 (Morrison

Hershfi eld 2011)

bull R-Values can vary from laboratory tested values by as much as 3-5x when

installed in an assembly (Straube)

bull Two primary impacts of thermal bridging

1 Affect total heat loss through the envelope

2 Create local cold spots resulting in condensation material

degradation andor occupant discomfort

WHY - Impacts of Thermal Bridging on Building Performance

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

11

THERMAL MODELING

bull Calculates 2-D heat transfer of elements or assemblies based on fi nite element analysis

bull Renders resulting temperatures across the section

bull Simple to use in-house independent of energy modeling or full envelope design by a consultant

bull Understand the implications of material selection on R-Value early in design

bull Understand how R-Value is impacted by how we detail assemblies and transitions

bull Results feed into energy modeling for more accurate results

bull Model assemblies to comply with building code requirements

bull Graphic output can be used to communicate with clients and others

WHY - THERM by LBNL

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

12

THERMAL MODELINGHOW - Evaluating Existing Conditions

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

13

Retrofi t Option A Fill Stud Cavity w Closed Cell Spray FoamCalculated R-Value = 204 hft2FBtu

Simulated R-Value =15 hft2FBtu

THERMAL MODELINGHOW - Evaluating Retrofi t Options

Retrofi t Option B Fill Stud Cavity w Closed Cell Spray Foam + 1rdquo Continuous InteriorCalculated R-Value = 264 hft2FBtu

Simulated R-Value = 25 hft2FBtu

Existing Wall (shown in plan) Calculated Baseline R-Value = 984 hft2FBtuSimulated R-Value = 86 hft2FBtu

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

14

Existing Wall (shown in plan) Simulated R-Value = 86 hft2FBtu

THERMAL MODELINGHOW - Evaluating Retrofi t Options

Proposed Wall Simulated R-Value = 14 hft2FBtu

WUFI Analysis

Existing Brick

3 58rdquo Mineral Wool

Smart Vapor Barrier

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

15

THERMAL MODELINGWHEN - Detailing and Material Selection

Thermally-Broken Brick TieR = 312 hft2FBtu

Standard Brick TieR = 86 hft2FBtu

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

16

THERMAL MODELINGWHEN - Evaluating Shop Drawings and Material Substitutions

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

17

CONTENTS

I IntroductionA

NA

LYS

IS T

OO

LS

V Integrating the Process

VI Discussion

II Thermal Modeling - THERM

III Energy Modeling - Insight360

IV Life Cycle Assessment - Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

18

BUILDING INFORMATION ANALYTICAL MODEL INSIGHT ANALYSIS

HOW - Generating an Energy Model in RevitENERGY MODELING - INSIGHT360

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

19

ldquoScalable Precisionrdquo in Generating the ModelENERGY MODELING - INSIGHT360

BIM Energy Settings

Conceptual Masses

CHOOSE Geometry Mode

+

CHOOSE Material Thermal Properties

Mode

Building Elements Schematic Types

Conceptual Types

Detailed ElementsBothOR OR

OR OR

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

20

New Construction ExampleENERGY MODELING - INSIGHT360

Project LocationBuilding UseBuilding MassBuilding Elements

Building OrientationWindow-Wall-Ratio - by elevationWindow Shades ndash by elevationWindow Type ndash by elevationWall ConstructionRoof ConstructionInfi ltrationLightingPlug Load Effi ciencyDaylighting and Occupancy ControlsHVAC Types (limited options)Operating Schedule PV Potential

Iteratively Tested through Insight

Defi ned in Revit

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

21

Existing Building ExampleENERGY MODELING - INSIGHT360

Project LocationBuilding UseBuilding OrientationWindow-Wall-Ratio - by elevationWindow Shades ndash by elevation

Defi ned in Revit

Wall ConstructionRoof ConstructionInfi ltrationWindow Type ndash by elevationLightingPlug Load Effi ciencyDaylighting and Occupancy ControlsHVAC Types (limited options)

Iteratively Tested through Insight

Operating Schedule PV Potential

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

22

How to tell if your analytical surfaces are workingENERGY MODELING - INSIGHT360

INTERIOR WALLS ONLY

FLOORS ONLY

ERRORWORKING

EXTERIOR WALLS ONLY

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

23

ENERGY MODELING - INSIGHT360

How to use Insight to drive decisions about your exterior glazing

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

24

Study each variable to determine signifi cance to energy use intensity (EUI)ENERGY MODELING - INSIGHT360

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

25

Understanding relative impact of each variableENERGY MODELING - INSIGHT360

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

26

Understanding relative impact of each variableENERGY MODELING - INSIGHT360

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

27

Window Types defi ned within tiers of precisionENERGY MODELING - INSIGHT360

Tier 3 Schematic Types

Tier 2 Conceptual OptionsTier 1 Slider

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

28

Insight360 vs traditional energy modelENERGY MODELING - INSIGHT360

Inputs fl exible to allow for scalable

precision to evolve throughout your

process

Can be run from recorded

weather data or regional

averages uses DOE-2

engine

BOTH Typical Energy ModelInsight360

Process Meant to be run iteratively

from within your BIM model

Output EUI range

Limitations Cannot parametrically

test building form limited HVAC presets

Essential tools for

evaluating performance of

design

Inputs specifi c numerical value

across many fi elds

Process Limited ability to iterate

must export or create fi le from scratch

duplicates labor

Output Generate a specifi c estimate

rather than a range

Advantages More nuaned HVAC

evaluation

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

29

CONTENTS

I IntroductionA

NA

LYS

IS T

OO

LS

V Integrating the Process

VI Discussion

II Thermal Modeling - THERM

III Energy Modeling - Insight360

IV Life Cycle Assessment - Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

30

LIFE CYCLE ASSESSMENT (LCA)Scientifi c method for measuring the potential cradle to grave or cradle to cradle

environmental footprint of materials products and services over their entire life-

time

IMAGE CREDIT IRISH GREEN BUILDING COUNCIL

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

31

WHY - Cradle to Grave ImpactsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

32

WHY - Impact CategoriesLIFE CYCLE ASSESSMENT (LCA)

bull Global Warming Potential

bull Ozone Depletion Potential

bull Acidifi cation Potential

bull Eutrophication Potential

bull Formation of Tropospheric Ozone (Smog) Potential

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

33

WHY - Cradle to Grave ImpactsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

34

WHY - Impact CategoriesLIFE CYCLE ASSESSMENT (LCA)

WE HAVE 35 YEARS TO GET TO ZERO CARBON

SO WHY ARE WE STILL MEASURING IMPACTS

BASED ON A BUILDINGrsquoS FULL LIFESPAN

-Architecture2030

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

35

LIFE CYCLE ASSESSMENT (LCA)

INPUTS ASSESSMENT OUTPUTS

Material

Attributes amp

Quantity

Materialrsquos GWP

multiplierx

x

x

x

x

x

=

=

=

=

=

=

Materialrsquos ODP

multiplier

Materialrsquos AP

multiplier

Materialrsquos EP

multiplier

Materialrsquos TOP

multiplier

Materialrsquos NRDP

multiplier

Global Warming Potential

in kg CO2e

Ozone Depletion Potential

in kg CFC-11

Acidification Potential

in kg SO2

Eutrophication Potential

in kg nitrogen or kg phosphate

Tropospheric Ozone Potential

in kg NOx or kg O3 eq

Non-renewable Resource

Depletion Potential

in MJ

Project Location

and Service Life

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

36

ImplementationLIFE CYCLE ASSESSMENT (LCA)

Excel Spreadsheet

Environmental Product Declaration

Analysis Software Tools

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

37

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

38

HOW - Window ProductsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

39

DEFINE GLAZING

DEFINE WINDOW FRAME

CHOOSE FROM MATERIAL

DROPDOWN

OPTION TO DEFINE MATERIAL

TAKEOFF METHOD

OPTION TO DEFINE SERVICE

LIFE OF EACH ELEMENT

MATERIAL OPTIONS WITH EPDS

ARE NOTED

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

40

FINALIZE PROJECT SETTINGS

OPTION TO INCLUDE OPERATIONAL ENERGY

OPTION TO INCLUDE CONSTRUCTION IMPACTS

HOW - Window ProductsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

41

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

42

HOW - Structural System SelectionIMPLEMENTATION - LCA SOFTWARE

Compare an equivalent 30rsquo x 30rsquo structural bay constructed of

I Concrete columns beams and slab

II Steel columns beams and joists with concrete on metal deck

III Glulam columns and beams with wood infi ll and a concrete topping slab

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

43

HOW - Structural Systems ComparisonIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

44

HOW - Structural Systems ComparisonIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

45

bull 115000 sf existing building from the 1970s

bull Brick cladding and concrete structural system

bull Comprehensive renovation including new systems and partition walls

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

46

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

47

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

48

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

49

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

50

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

Total embodied Global Warming Potential of renovation = 782118 kgCO2eq

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

51

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

Total embodied Global Warming Potential of renovation = 782118 kgCO2eq

It takes = ~2 years of operation for the improved operational effi ciency to payback the renovation impacts

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

52

OVERVIEW

I IntroductionA

NA

LYS

IS T

OO

LS

V Integrating the Process

VI Discussion

II Thermal Modeling - THERM

III Energy Modeling - Insight360

IV Life Cycle Assessment - Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

53

ANALYTICAL WORKFLOW INTEGRATIONPROPOSAL CONCEPTS SCHEMATIC DESIGN

DEVELOPMENT

CONSTRUCTION

DOCUMENTS

CONSTRUCTION

ADMINISTRATION

OCCUPANCY

THERMAL

ANALYSIS

ENERGY

ANALYSIS

LIFE CYCLE

ANALYSIS

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

54

Integrating tools into the envelope design processANALYTICAL WORKFLOW

BIM Model

Detailed

Energy Model DETERMINE PROJECTED ENERGY CONSUMPTION

Whole building analysis

WUFIDETERMINE HYGROTHERMAL PERFORMANCE OF ENVELOPE

Whole building analysis

ThermDETERMINE PSI VALUES AT ANY POTENTIAL THERMAL BRIDGES

Slab details

Slab details at exterior wall

Exterior wall amp window details

Roof details at exterior wall

Roof details

Insight360 DETERMINE R-VALUE OF EACH COMPONENT

Slab Defi ne assembly

Wall Defi ne opaque wall assembly

Defi ne glazing components

Defi ne window-to-wall ratio

Roof Defi ne assembly

Tally DETERMINE EMBODIED CARBON OF ENVELOPE

Bill of materials Slab assembly

Exterior wall assembly

Glazing components

Roof assembly

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

55

How can tools be integrated differently through the design and construction process

What is the best workfl ow for collaborative design using analytic tools

What tools do you wish were available

Have you engaged in knowledge sharing or education about analytical tools

What tools make the biggest impact on the performance of the fi nal building

What tools best communicate the urgency of high performance low-carbon design to clients

Should certain tools be used exclusively by certain members of the design team

DISCUSSION

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

5

SUSTAINABLE ANALYSIS TOOLS

ldquoIf you canrsquot measure it you canrsquot understand it

If you canrsquot understand it you canrsquot control it

If you canrsquot control it you canrsquot improve itrdquo- H JAMES HARRINGTON

Value of Analytical Thinking

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

6

THERM

1994

Tally

20132016

Revit

2000

Insight360WUFI

1995

Sefaira

2009

Athena

LCA Tools

2002

GaBi

1992

AutoCAD

19821996

EnergyPlus DesignBuilder

2005

Development of Software Tools

19972009

Architecture 2030

2002

LEED

1994

ldquopassive houserdquo

concept in US

1980s1974

Passive House

Institute US

2007

International Living

Building Institute

New Buildings

InstituteNESEA

Emergence of Organizations and Standards

ASHRAE

90-75

1975

HOW WE GOT HERE AND WHERE WErsquoRE GOING

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

7

THE PROCESS OF SUSTAINABLE DESIGN - STATUS QUOAnalysis as a Decision Making Tool

Energy Model

DETERMINE PROJECTED ENERGY CONSUMPTION

Design Model

CREATE DESIGN AND CONSTRUCTION DOCUMENTS

Energy Conservation Measures

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

8

Integrating Tools into the Design ProcessTHE PROCESS OF SUSTAINABLE DESIGN

BIM Model

Detailed

Energy Model

Hygrothermal Model -

WUFI

Thermal Model -

THERM

Energy Model -

Insight360

Life Cycle Assessment -

Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

9

CONTENTS

I IntroductionA

NA

LYS

IS T

OO

LS

V Integrating the Process

VI Discussion

II Thermal Modeling - THERM

III Energy Modeling - Insight360

IV Life Cycle Assessment - Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

10

THERMAL MODELING

bull Thermal bridging can reduce effectiveness of insulation by ~40 (Morrison

Hershfi eld 2011)

bull R-Values can vary from laboratory tested values by as much as 3-5x when

installed in an assembly (Straube)

bull Two primary impacts of thermal bridging

1 Affect total heat loss through the envelope

2 Create local cold spots resulting in condensation material

degradation andor occupant discomfort

WHY - Impacts of Thermal Bridging on Building Performance

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

11

THERMAL MODELING

bull Calculates 2-D heat transfer of elements or assemblies based on fi nite element analysis

bull Renders resulting temperatures across the section

bull Simple to use in-house independent of energy modeling or full envelope design by a consultant

bull Understand the implications of material selection on R-Value early in design

bull Understand how R-Value is impacted by how we detail assemblies and transitions

bull Results feed into energy modeling for more accurate results

bull Model assemblies to comply with building code requirements

bull Graphic output can be used to communicate with clients and others

WHY - THERM by LBNL

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

12

THERMAL MODELINGHOW - Evaluating Existing Conditions

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

13

Retrofi t Option A Fill Stud Cavity w Closed Cell Spray FoamCalculated R-Value = 204 hft2FBtu

Simulated R-Value =15 hft2FBtu

THERMAL MODELINGHOW - Evaluating Retrofi t Options

Retrofi t Option B Fill Stud Cavity w Closed Cell Spray Foam + 1rdquo Continuous InteriorCalculated R-Value = 264 hft2FBtu

Simulated R-Value = 25 hft2FBtu

Existing Wall (shown in plan) Calculated Baseline R-Value = 984 hft2FBtuSimulated R-Value = 86 hft2FBtu

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

14

Existing Wall (shown in plan) Simulated R-Value = 86 hft2FBtu

THERMAL MODELINGHOW - Evaluating Retrofi t Options

Proposed Wall Simulated R-Value = 14 hft2FBtu

WUFI Analysis

Existing Brick

3 58rdquo Mineral Wool

Smart Vapor Barrier

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

15

THERMAL MODELINGWHEN - Detailing and Material Selection

Thermally-Broken Brick TieR = 312 hft2FBtu

Standard Brick TieR = 86 hft2FBtu

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

16

THERMAL MODELINGWHEN - Evaluating Shop Drawings and Material Substitutions

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

17

CONTENTS

I IntroductionA

NA

LYS

IS T

OO

LS

V Integrating the Process

VI Discussion

II Thermal Modeling - THERM

III Energy Modeling - Insight360

IV Life Cycle Assessment - Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

18

BUILDING INFORMATION ANALYTICAL MODEL INSIGHT ANALYSIS

HOW - Generating an Energy Model in RevitENERGY MODELING - INSIGHT360

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

19

ldquoScalable Precisionrdquo in Generating the ModelENERGY MODELING - INSIGHT360

BIM Energy Settings

Conceptual Masses

CHOOSE Geometry Mode

+

CHOOSE Material Thermal Properties

Mode

Building Elements Schematic Types

Conceptual Types

Detailed ElementsBothOR OR

OR OR

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

20

New Construction ExampleENERGY MODELING - INSIGHT360

Project LocationBuilding UseBuilding MassBuilding Elements

Building OrientationWindow-Wall-Ratio - by elevationWindow Shades ndash by elevationWindow Type ndash by elevationWall ConstructionRoof ConstructionInfi ltrationLightingPlug Load Effi ciencyDaylighting and Occupancy ControlsHVAC Types (limited options)Operating Schedule PV Potential

Iteratively Tested through Insight

Defi ned in Revit

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

21

Existing Building ExampleENERGY MODELING - INSIGHT360

Project LocationBuilding UseBuilding OrientationWindow-Wall-Ratio - by elevationWindow Shades ndash by elevation

Defi ned in Revit

Wall ConstructionRoof ConstructionInfi ltrationWindow Type ndash by elevationLightingPlug Load Effi ciencyDaylighting and Occupancy ControlsHVAC Types (limited options)

Iteratively Tested through Insight

Operating Schedule PV Potential

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

22

How to tell if your analytical surfaces are workingENERGY MODELING - INSIGHT360

INTERIOR WALLS ONLY

FLOORS ONLY

ERRORWORKING

EXTERIOR WALLS ONLY

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

23

ENERGY MODELING - INSIGHT360

How to use Insight to drive decisions about your exterior glazing

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

24

Study each variable to determine signifi cance to energy use intensity (EUI)ENERGY MODELING - INSIGHT360

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

25

Understanding relative impact of each variableENERGY MODELING - INSIGHT360

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

26

Understanding relative impact of each variableENERGY MODELING - INSIGHT360

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

27

Window Types defi ned within tiers of precisionENERGY MODELING - INSIGHT360

Tier 3 Schematic Types

Tier 2 Conceptual OptionsTier 1 Slider

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

28

Insight360 vs traditional energy modelENERGY MODELING - INSIGHT360

Inputs fl exible to allow for scalable

precision to evolve throughout your

process

Can be run from recorded

weather data or regional

averages uses DOE-2

engine

BOTH Typical Energy ModelInsight360

Process Meant to be run iteratively

from within your BIM model

Output EUI range

Limitations Cannot parametrically

test building form limited HVAC presets

Essential tools for

evaluating performance of

design

Inputs specifi c numerical value

across many fi elds

Process Limited ability to iterate

must export or create fi le from scratch

duplicates labor

Output Generate a specifi c estimate

rather than a range

Advantages More nuaned HVAC

evaluation

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

29

CONTENTS

I IntroductionA

NA

LYS

IS T

OO

LS

V Integrating the Process

VI Discussion

II Thermal Modeling - THERM

III Energy Modeling - Insight360

IV Life Cycle Assessment - Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

30

LIFE CYCLE ASSESSMENT (LCA)Scientifi c method for measuring the potential cradle to grave or cradle to cradle

environmental footprint of materials products and services over their entire life-

time

IMAGE CREDIT IRISH GREEN BUILDING COUNCIL

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

31

WHY - Cradle to Grave ImpactsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

32

WHY - Impact CategoriesLIFE CYCLE ASSESSMENT (LCA)

bull Global Warming Potential

bull Ozone Depletion Potential

bull Acidifi cation Potential

bull Eutrophication Potential

bull Formation of Tropospheric Ozone (Smog) Potential

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

33

WHY - Cradle to Grave ImpactsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

34

WHY - Impact CategoriesLIFE CYCLE ASSESSMENT (LCA)

WE HAVE 35 YEARS TO GET TO ZERO CARBON

SO WHY ARE WE STILL MEASURING IMPACTS

BASED ON A BUILDINGrsquoS FULL LIFESPAN

-Architecture2030

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

35

LIFE CYCLE ASSESSMENT (LCA)

INPUTS ASSESSMENT OUTPUTS

Material

Attributes amp

Quantity

Materialrsquos GWP

multiplierx

x

x

x

x

x

=

=

=

=

=

=

Materialrsquos ODP

multiplier

Materialrsquos AP

multiplier

Materialrsquos EP

multiplier

Materialrsquos TOP

multiplier

Materialrsquos NRDP

multiplier

Global Warming Potential

in kg CO2e

Ozone Depletion Potential

in kg CFC-11

Acidification Potential

in kg SO2

Eutrophication Potential

in kg nitrogen or kg phosphate

Tropospheric Ozone Potential

in kg NOx or kg O3 eq

Non-renewable Resource

Depletion Potential

in MJ

Project Location

and Service Life

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

36

ImplementationLIFE CYCLE ASSESSMENT (LCA)

Excel Spreadsheet

Environmental Product Declaration

Analysis Software Tools

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

37

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

38

HOW - Window ProductsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

39

DEFINE GLAZING

DEFINE WINDOW FRAME

CHOOSE FROM MATERIAL

DROPDOWN

OPTION TO DEFINE MATERIAL

TAKEOFF METHOD

OPTION TO DEFINE SERVICE

LIFE OF EACH ELEMENT

MATERIAL OPTIONS WITH EPDS

ARE NOTED

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

40

FINALIZE PROJECT SETTINGS

OPTION TO INCLUDE OPERATIONAL ENERGY

OPTION TO INCLUDE CONSTRUCTION IMPACTS

HOW - Window ProductsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

41

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

42

HOW - Structural System SelectionIMPLEMENTATION - LCA SOFTWARE

Compare an equivalent 30rsquo x 30rsquo structural bay constructed of

I Concrete columns beams and slab

II Steel columns beams and joists with concrete on metal deck

III Glulam columns and beams with wood infi ll and a concrete topping slab

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

43

HOW - Structural Systems ComparisonIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

44

HOW - Structural Systems ComparisonIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

45

bull 115000 sf existing building from the 1970s

bull Brick cladding and concrete structural system

bull Comprehensive renovation including new systems and partition walls

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

46

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

47

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

48

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

49

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

50

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

Total embodied Global Warming Potential of renovation = 782118 kgCO2eq

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

51

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

Total embodied Global Warming Potential of renovation = 782118 kgCO2eq

It takes = ~2 years of operation for the improved operational effi ciency to payback the renovation impacts

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

52

OVERVIEW

I IntroductionA

NA

LYS

IS T

OO

LS

V Integrating the Process

VI Discussion

II Thermal Modeling - THERM

III Energy Modeling - Insight360

IV Life Cycle Assessment - Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

53

ANALYTICAL WORKFLOW INTEGRATIONPROPOSAL CONCEPTS SCHEMATIC DESIGN

DEVELOPMENT

CONSTRUCTION

DOCUMENTS

CONSTRUCTION

ADMINISTRATION

OCCUPANCY

THERMAL

ANALYSIS

ENERGY

ANALYSIS

LIFE CYCLE

ANALYSIS

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

54

Integrating tools into the envelope design processANALYTICAL WORKFLOW

BIM Model

Detailed

Energy Model DETERMINE PROJECTED ENERGY CONSUMPTION

Whole building analysis

WUFIDETERMINE HYGROTHERMAL PERFORMANCE OF ENVELOPE

Whole building analysis

ThermDETERMINE PSI VALUES AT ANY POTENTIAL THERMAL BRIDGES

Slab details

Slab details at exterior wall

Exterior wall amp window details

Roof details at exterior wall

Roof details

Insight360 DETERMINE R-VALUE OF EACH COMPONENT

Slab Defi ne assembly

Wall Defi ne opaque wall assembly

Defi ne glazing components

Defi ne window-to-wall ratio

Roof Defi ne assembly

Tally DETERMINE EMBODIED CARBON OF ENVELOPE

Bill of materials Slab assembly

Exterior wall assembly

Glazing components

Roof assembly

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

55

How can tools be integrated differently through the design and construction process

What is the best workfl ow for collaborative design using analytic tools

What tools do you wish were available

Have you engaged in knowledge sharing or education about analytical tools

What tools make the biggest impact on the performance of the fi nal building

What tools best communicate the urgency of high performance low-carbon design to clients

Should certain tools be used exclusively by certain members of the design team

DISCUSSION

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

6

THERM

1994

Tally

20132016

Revit

2000

Insight360WUFI

1995

Sefaira

2009

Athena

LCA Tools

2002

GaBi

1992

AutoCAD

19821996

EnergyPlus DesignBuilder

2005

Development of Software Tools

19972009

Architecture 2030

2002

LEED

1994

ldquopassive houserdquo

concept in US

1980s1974

Passive House

Institute US

2007

International Living

Building Institute

New Buildings

InstituteNESEA

Emergence of Organizations and Standards

ASHRAE

90-75

1975

HOW WE GOT HERE AND WHERE WErsquoRE GOING

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

7

THE PROCESS OF SUSTAINABLE DESIGN - STATUS QUOAnalysis as a Decision Making Tool

Energy Model

DETERMINE PROJECTED ENERGY CONSUMPTION

Design Model

CREATE DESIGN AND CONSTRUCTION DOCUMENTS

Energy Conservation Measures

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

8

Integrating Tools into the Design ProcessTHE PROCESS OF SUSTAINABLE DESIGN

BIM Model

Detailed

Energy Model

Hygrothermal Model -

WUFI

Thermal Model -

THERM

Energy Model -

Insight360

Life Cycle Assessment -

Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

9

CONTENTS

I IntroductionA

NA

LYS

IS T

OO

LS

V Integrating the Process

VI Discussion

II Thermal Modeling - THERM

III Energy Modeling - Insight360

IV Life Cycle Assessment - Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

10

THERMAL MODELING

bull Thermal bridging can reduce effectiveness of insulation by ~40 (Morrison

Hershfi eld 2011)

bull R-Values can vary from laboratory tested values by as much as 3-5x when

installed in an assembly (Straube)

bull Two primary impacts of thermal bridging

1 Affect total heat loss through the envelope

2 Create local cold spots resulting in condensation material

degradation andor occupant discomfort

WHY - Impacts of Thermal Bridging on Building Performance

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

11

THERMAL MODELING

bull Calculates 2-D heat transfer of elements or assemblies based on fi nite element analysis

bull Renders resulting temperatures across the section

bull Simple to use in-house independent of energy modeling or full envelope design by a consultant

bull Understand the implications of material selection on R-Value early in design

bull Understand how R-Value is impacted by how we detail assemblies and transitions

bull Results feed into energy modeling for more accurate results

bull Model assemblies to comply with building code requirements

bull Graphic output can be used to communicate with clients and others

WHY - THERM by LBNL

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

12

THERMAL MODELINGHOW - Evaluating Existing Conditions

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

13

Retrofi t Option A Fill Stud Cavity w Closed Cell Spray FoamCalculated R-Value = 204 hft2FBtu

Simulated R-Value =15 hft2FBtu

THERMAL MODELINGHOW - Evaluating Retrofi t Options

Retrofi t Option B Fill Stud Cavity w Closed Cell Spray Foam + 1rdquo Continuous InteriorCalculated R-Value = 264 hft2FBtu

Simulated R-Value = 25 hft2FBtu

Existing Wall (shown in plan) Calculated Baseline R-Value = 984 hft2FBtuSimulated R-Value = 86 hft2FBtu

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

14

Existing Wall (shown in plan) Simulated R-Value = 86 hft2FBtu

THERMAL MODELINGHOW - Evaluating Retrofi t Options

Proposed Wall Simulated R-Value = 14 hft2FBtu

WUFI Analysis

Existing Brick

3 58rdquo Mineral Wool

Smart Vapor Barrier

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

15

THERMAL MODELINGWHEN - Detailing and Material Selection

Thermally-Broken Brick TieR = 312 hft2FBtu

Standard Brick TieR = 86 hft2FBtu

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

16

THERMAL MODELINGWHEN - Evaluating Shop Drawings and Material Substitutions

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

17

CONTENTS

I IntroductionA

NA

LYS

IS T

OO

LS

V Integrating the Process

VI Discussion

II Thermal Modeling - THERM

III Energy Modeling - Insight360

IV Life Cycle Assessment - Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

18

BUILDING INFORMATION ANALYTICAL MODEL INSIGHT ANALYSIS

HOW - Generating an Energy Model in RevitENERGY MODELING - INSIGHT360

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

19

ldquoScalable Precisionrdquo in Generating the ModelENERGY MODELING - INSIGHT360

BIM Energy Settings

Conceptual Masses

CHOOSE Geometry Mode

+

CHOOSE Material Thermal Properties

Mode

Building Elements Schematic Types

Conceptual Types

Detailed ElementsBothOR OR

OR OR

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

20

New Construction ExampleENERGY MODELING - INSIGHT360

Project LocationBuilding UseBuilding MassBuilding Elements

Building OrientationWindow-Wall-Ratio - by elevationWindow Shades ndash by elevationWindow Type ndash by elevationWall ConstructionRoof ConstructionInfi ltrationLightingPlug Load Effi ciencyDaylighting and Occupancy ControlsHVAC Types (limited options)Operating Schedule PV Potential

Iteratively Tested through Insight

Defi ned in Revit

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

21

Existing Building ExampleENERGY MODELING - INSIGHT360

Project LocationBuilding UseBuilding OrientationWindow-Wall-Ratio - by elevationWindow Shades ndash by elevation

Defi ned in Revit

Wall ConstructionRoof ConstructionInfi ltrationWindow Type ndash by elevationLightingPlug Load Effi ciencyDaylighting and Occupancy ControlsHVAC Types (limited options)

Iteratively Tested through Insight

Operating Schedule PV Potential

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

22

How to tell if your analytical surfaces are workingENERGY MODELING - INSIGHT360

INTERIOR WALLS ONLY

FLOORS ONLY

ERRORWORKING

EXTERIOR WALLS ONLY

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

23

ENERGY MODELING - INSIGHT360

How to use Insight to drive decisions about your exterior glazing

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

24

Study each variable to determine signifi cance to energy use intensity (EUI)ENERGY MODELING - INSIGHT360

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

25

Understanding relative impact of each variableENERGY MODELING - INSIGHT360

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

26

Understanding relative impact of each variableENERGY MODELING - INSIGHT360

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

27

Window Types defi ned within tiers of precisionENERGY MODELING - INSIGHT360

Tier 3 Schematic Types

Tier 2 Conceptual OptionsTier 1 Slider

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

28

Insight360 vs traditional energy modelENERGY MODELING - INSIGHT360

Inputs fl exible to allow for scalable

precision to evolve throughout your

process

Can be run from recorded

weather data or regional

averages uses DOE-2

engine

BOTH Typical Energy ModelInsight360

Process Meant to be run iteratively

from within your BIM model

Output EUI range

Limitations Cannot parametrically

test building form limited HVAC presets

Essential tools for

evaluating performance of

design

Inputs specifi c numerical value

across many fi elds

Process Limited ability to iterate

must export or create fi le from scratch

duplicates labor

Output Generate a specifi c estimate

rather than a range

Advantages More nuaned HVAC

evaluation

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

29

CONTENTS

I IntroductionA

NA

LYS

IS T

OO

LS

V Integrating the Process

VI Discussion

II Thermal Modeling - THERM

III Energy Modeling - Insight360

IV Life Cycle Assessment - Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

30

LIFE CYCLE ASSESSMENT (LCA)Scientifi c method for measuring the potential cradle to grave or cradle to cradle

environmental footprint of materials products and services over their entire life-

time

IMAGE CREDIT IRISH GREEN BUILDING COUNCIL

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

31

WHY - Cradle to Grave ImpactsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

32

WHY - Impact CategoriesLIFE CYCLE ASSESSMENT (LCA)

bull Global Warming Potential

bull Ozone Depletion Potential

bull Acidifi cation Potential

bull Eutrophication Potential

bull Formation of Tropospheric Ozone (Smog) Potential

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

33

WHY - Cradle to Grave ImpactsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

34

WHY - Impact CategoriesLIFE CYCLE ASSESSMENT (LCA)

WE HAVE 35 YEARS TO GET TO ZERO CARBON

SO WHY ARE WE STILL MEASURING IMPACTS

BASED ON A BUILDINGrsquoS FULL LIFESPAN

-Architecture2030

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

35

LIFE CYCLE ASSESSMENT (LCA)

INPUTS ASSESSMENT OUTPUTS

Material

Attributes amp

Quantity

Materialrsquos GWP

multiplierx

x

x

x

x

x

=

=

=

=

=

=

Materialrsquos ODP

multiplier

Materialrsquos AP

multiplier

Materialrsquos EP

multiplier

Materialrsquos TOP

multiplier

Materialrsquos NRDP

multiplier

Global Warming Potential

in kg CO2e

Ozone Depletion Potential

in kg CFC-11

Acidification Potential

in kg SO2

Eutrophication Potential

in kg nitrogen or kg phosphate

Tropospheric Ozone Potential

in kg NOx or kg O3 eq

Non-renewable Resource

Depletion Potential

in MJ

Project Location

and Service Life

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

36

ImplementationLIFE CYCLE ASSESSMENT (LCA)

Excel Spreadsheet

Environmental Product Declaration

Analysis Software Tools

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

37

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

38

HOW - Window ProductsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

39

DEFINE GLAZING

DEFINE WINDOW FRAME

CHOOSE FROM MATERIAL

DROPDOWN

OPTION TO DEFINE MATERIAL

TAKEOFF METHOD

OPTION TO DEFINE SERVICE

LIFE OF EACH ELEMENT

MATERIAL OPTIONS WITH EPDS

ARE NOTED

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

40

FINALIZE PROJECT SETTINGS

OPTION TO INCLUDE OPERATIONAL ENERGY

OPTION TO INCLUDE CONSTRUCTION IMPACTS

HOW - Window ProductsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

41

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

42

HOW - Structural System SelectionIMPLEMENTATION - LCA SOFTWARE

Compare an equivalent 30rsquo x 30rsquo structural bay constructed of

I Concrete columns beams and slab

II Steel columns beams and joists with concrete on metal deck

III Glulam columns and beams with wood infi ll and a concrete topping slab

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

43

HOW - Structural Systems ComparisonIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

44

HOW - Structural Systems ComparisonIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

45

bull 115000 sf existing building from the 1970s

bull Brick cladding and concrete structural system

bull Comprehensive renovation including new systems and partition walls

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

46

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

47

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

48

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

49

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

50

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

Total embodied Global Warming Potential of renovation = 782118 kgCO2eq

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

51

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

Total embodied Global Warming Potential of renovation = 782118 kgCO2eq

It takes = ~2 years of operation for the improved operational effi ciency to payback the renovation impacts

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

52

OVERVIEW

I IntroductionA

NA

LYS

IS T

OO

LS

V Integrating the Process

VI Discussion

II Thermal Modeling - THERM

III Energy Modeling - Insight360

IV Life Cycle Assessment - Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

53

ANALYTICAL WORKFLOW INTEGRATIONPROPOSAL CONCEPTS SCHEMATIC DESIGN

DEVELOPMENT

CONSTRUCTION

DOCUMENTS

CONSTRUCTION

ADMINISTRATION

OCCUPANCY

THERMAL

ANALYSIS

ENERGY

ANALYSIS

LIFE CYCLE

ANALYSIS

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

54

Integrating tools into the envelope design processANALYTICAL WORKFLOW

BIM Model

Detailed

Energy Model DETERMINE PROJECTED ENERGY CONSUMPTION

Whole building analysis

WUFIDETERMINE HYGROTHERMAL PERFORMANCE OF ENVELOPE

Whole building analysis

ThermDETERMINE PSI VALUES AT ANY POTENTIAL THERMAL BRIDGES

Slab details

Slab details at exterior wall

Exterior wall amp window details

Roof details at exterior wall

Roof details

Insight360 DETERMINE R-VALUE OF EACH COMPONENT

Slab Defi ne assembly

Wall Defi ne opaque wall assembly

Defi ne glazing components

Defi ne window-to-wall ratio

Roof Defi ne assembly

Tally DETERMINE EMBODIED CARBON OF ENVELOPE

Bill of materials Slab assembly

Exterior wall assembly

Glazing components

Roof assembly

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

55

How can tools be integrated differently through the design and construction process

What is the best workfl ow for collaborative design using analytic tools

What tools do you wish were available

Have you engaged in knowledge sharing or education about analytical tools

What tools make the biggest impact on the performance of the fi nal building

What tools best communicate the urgency of high performance low-carbon design to clients

Should certain tools be used exclusively by certain members of the design team

DISCUSSION

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

7

THE PROCESS OF SUSTAINABLE DESIGN - STATUS QUOAnalysis as a Decision Making Tool

Energy Model

DETERMINE PROJECTED ENERGY CONSUMPTION

Design Model

CREATE DESIGN AND CONSTRUCTION DOCUMENTS

Energy Conservation Measures

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

8

Integrating Tools into the Design ProcessTHE PROCESS OF SUSTAINABLE DESIGN

BIM Model

Detailed

Energy Model

Hygrothermal Model -

WUFI

Thermal Model -

THERM

Energy Model -

Insight360

Life Cycle Assessment -

Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

9

CONTENTS

I IntroductionA

NA

LYS

IS T

OO

LS

V Integrating the Process

VI Discussion

II Thermal Modeling - THERM

III Energy Modeling - Insight360

IV Life Cycle Assessment - Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

10

THERMAL MODELING

bull Thermal bridging can reduce effectiveness of insulation by ~40 (Morrison

Hershfi eld 2011)

bull R-Values can vary from laboratory tested values by as much as 3-5x when

installed in an assembly (Straube)

bull Two primary impacts of thermal bridging

1 Affect total heat loss through the envelope

2 Create local cold spots resulting in condensation material

degradation andor occupant discomfort

WHY - Impacts of Thermal Bridging on Building Performance

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

11

THERMAL MODELING

bull Calculates 2-D heat transfer of elements or assemblies based on fi nite element analysis

bull Renders resulting temperatures across the section

bull Simple to use in-house independent of energy modeling or full envelope design by a consultant

bull Understand the implications of material selection on R-Value early in design

bull Understand how R-Value is impacted by how we detail assemblies and transitions

bull Results feed into energy modeling for more accurate results

bull Model assemblies to comply with building code requirements

bull Graphic output can be used to communicate with clients and others

WHY - THERM by LBNL

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

12

THERMAL MODELINGHOW - Evaluating Existing Conditions

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

13

Retrofi t Option A Fill Stud Cavity w Closed Cell Spray FoamCalculated R-Value = 204 hft2FBtu

Simulated R-Value =15 hft2FBtu

THERMAL MODELINGHOW - Evaluating Retrofi t Options

Retrofi t Option B Fill Stud Cavity w Closed Cell Spray Foam + 1rdquo Continuous InteriorCalculated R-Value = 264 hft2FBtu

Simulated R-Value = 25 hft2FBtu

Existing Wall (shown in plan) Calculated Baseline R-Value = 984 hft2FBtuSimulated R-Value = 86 hft2FBtu

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

14

Existing Wall (shown in plan) Simulated R-Value = 86 hft2FBtu

THERMAL MODELINGHOW - Evaluating Retrofi t Options

Proposed Wall Simulated R-Value = 14 hft2FBtu

WUFI Analysis

Existing Brick

3 58rdquo Mineral Wool

Smart Vapor Barrier

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

15

THERMAL MODELINGWHEN - Detailing and Material Selection

Thermally-Broken Brick TieR = 312 hft2FBtu

Standard Brick TieR = 86 hft2FBtu

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

16

THERMAL MODELINGWHEN - Evaluating Shop Drawings and Material Substitutions

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

17

CONTENTS

I IntroductionA

NA

LYS

IS T

OO

LS

V Integrating the Process

VI Discussion

II Thermal Modeling - THERM

III Energy Modeling - Insight360

IV Life Cycle Assessment - Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

18

BUILDING INFORMATION ANALYTICAL MODEL INSIGHT ANALYSIS

HOW - Generating an Energy Model in RevitENERGY MODELING - INSIGHT360

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

19

ldquoScalable Precisionrdquo in Generating the ModelENERGY MODELING - INSIGHT360

BIM Energy Settings

Conceptual Masses

CHOOSE Geometry Mode

+

CHOOSE Material Thermal Properties

Mode

Building Elements Schematic Types

Conceptual Types

Detailed ElementsBothOR OR

OR OR

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

20

New Construction ExampleENERGY MODELING - INSIGHT360

Project LocationBuilding UseBuilding MassBuilding Elements

Building OrientationWindow-Wall-Ratio - by elevationWindow Shades ndash by elevationWindow Type ndash by elevationWall ConstructionRoof ConstructionInfi ltrationLightingPlug Load Effi ciencyDaylighting and Occupancy ControlsHVAC Types (limited options)Operating Schedule PV Potential

Iteratively Tested through Insight

Defi ned in Revit

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

21

Existing Building ExampleENERGY MODELING - INSIGHT360

Project LocationBuilding UseBuilding OrientationWindow-Wall-Ratio - by elevationWindow Shades ndash by elevation

Defi ned in Revit

Wall ConstructionRoof ConstructionInfi ltrationWindow Type ndash by elevationLightingPlug Load Effi ciencyDaylighting and Occupancy ControlsHVAC Types (limited options)

Iteratively Tested through Insight

Operating Schedule PV Potential

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

22

How to tell if your analytical surfaces are workingENERGY MODELING - INSIGHT360

INTERIOR WALLS ONLY

FLOORS ONLY

ERRORWORKING

EXTERIOR WALLS ONLY

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

23

ENERGY MODELING - INSIGHT360

How to use Insight to drive decisions about your exterior glazing

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

24

Study each variable to determine signifi cance to energy use intensity (EUI)ENERGY MODELING - INSIGHT360

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

25

Understanding relative impact of each variableENERGY MODELING - INSIGHT360

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

26

Understanding relative impact of each variableENERGY MODELING - INSIGHT360

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

27

Window Types defi ned within tiers of precisionENERGY MODELING - INSIGHT360

Tier 3 Schematic Types

Tier 2 Conceptual OptionsTier 1 Slider

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

28

Insight360 vs traditional energy modelENERGY MODELING - INSIGHT360

Inputs fl exible to allow for scalable

precision to evolve throughout your

process

Can be run from recorded

weather data or regional

averages uses DOE-2

engine

BOTH Typical Energy ModelInsight360

Process Meant to be run iteratively

from within your BIM model

Output EUI range

Limitations Cannot parametrically

test building form limited HVAC presets

Essential tools for

evaluating performance of

design

Inputs specifi c numerical value

across many fi elds

Process Limited ability to iterate

must export or create fi le from scratch

duplicates labor

Output Generate a specifi c estimate

rather than a range

Advantages More nuaned HVAC

evaluation

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

29

CONTENTS

I IntroductionA

NA

LYS

IS T

OO

LS

V Integrating the Process

VI Discussion

II Thermal Modeling - THERM

III Energy Modeling - Insight360

IV Life Cycle Assessment - Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

30

LIFE CYCLE ASSESSMENT (LCA)Scientifi c method for measuring the potential cradle to grave or cradle to cradle

environmental footprint of materials products and services over their entire life-

time

IMAGE CREDIT IRISH GREEN BUILDING COUNCIL

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

31

WHY - Cradle to Grave ImpactsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

32

WHY - Impact CategoriesLIFE CYCLE ASSESSMENT (LCA)

bull Global Warming Potential

bull Ozone Depletion Potential

bull Acidifi cation Potential

bull Eutrophication Potential

bull Formation of Tropospheric Ozone (Smog) Potential

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

33

WHY - Cradle to Grave ImpactsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

34

WHY - Impact CategoriesLIFE CYCLE ASSESSMENT (LCA)

WE HAVE 35 YEARS TO GET TO ZERO CARBON

SO WHY ARE WE STILL MEASURING IMPACTS

BASED ON A BUILDINGrsquoS FULL LIFESPAN

-Architecture2030

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

35

LIFE CYCLE ASSESSMENT (LCA)

INPUTS ASSESSMENT OUTPUTS

Material

Attributes amp

Quantity

Materialrsquos GWP

multiplierx

x

x

x

x

x

=

=

=

=

=

=

Materialrsquos ODP

multiplier

Materialrsquos AP

multiplier

Materialrsquos EP

multiplier

Materialrsquos TOP

multiplier

Materialrsquos NRDP

multiplier

Global Warming Potential

in kg CO2e

Ozone Depletion Potential

in kg CFC-11

Acidification Potential

in kg SO2

Eutrophication Potential

in kg nitrogen or kg phosphate

Tropospheric Ozone Potential

in kg NOx or kg O3 eq

Non-renewable Resource

Depletion Potential

in MJ

Project Location

and Service Life

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

36

ImplementationLIFE CYCLE ASSESSMENT (LCA)

Excel Spreadsheet

Environmental Product Declaration

Analysis Software Tools

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

37

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

38

HOW - Window ProductsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

39

DEFINE GLAZING

DEFINE WINDOW FRAME

CHOOSE FROM MATERIAL

DROPDOWN

OPTION TO DEFINE MATERIAL

TAKEOFF METHOD

OPTION TO DEFINE SERVICE

LIFE OF EACH ELEMENT

MATERIAL OPTIONS WITH EPDS

ARE NOTED

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

40

FINALIZE PROJECT SETTINGS

OPTION TO INCLUDE OPERATIONAL ENERGY

OPTION TO INCLUDE CONSTRUCTION IMPACTS

HOW - Window ProductsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

41

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

42

HOW - Structural System SelectionIMPLEMENTATION - LCA SOFTWARE

Compare an equivalent 30rsquo x 30rsquo structural bay constructed of

I Concrete columns beams and slab

II Steel columns beams and joists with concrete on metal deck

III Glulam columns and beams with wood infi ll and a concrete topping slab

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

43

HOW - Structural Systems ComparisonIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

44

HOW - Structural Systems ComparisonIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

45

bull 115000 sf existing building from the 1970s

bull Brick cladding and concrete structural system

bull Comprehensive renovation including new systems and partition walls

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

46

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

47

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

48

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

49

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

50

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

Total embodied Global Warming Potential of renovation = 782118 kgCO2eq

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

51

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

Total embodied Global Warming Potential of renovation = 782118 kgCO2eq

It takes = ~2 years of operation for the improved operational effi ciency to payback the renovation impacts

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

52

OVERVIEW

I IntroductionA

NA

LYS

IS T

OO

LS

V Integrating the Process

VI Discussion

II Thermal Modeling - THERM

III Energy Modeling - Insight360

IV Life Cycle Assessment - Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

53

ANALYTICAL WORKFLOW INTEGRATIONPROPOSAL CONCEPTS SCHEMATIC DESIGN

DEVELOPMENT

CONSTRUCTION

DOCUMENTS

CONSTRUCTION

ADMINISTRATION

OCCUPANCY

THERMAL

ANALYSIS

ENERGY

ANALYSIS

LIFE CYCLE

ANALYSIS

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

54

Integrating tools into the envelope design processANALYTICAL WORKFLOW

BIM Model

Detailed

Energy Model DETERMINE PROJECTED ENERGY CONSUMPTION

Whole building analysis

WUFIDETERMINE HYGROTHERMAL PERFORMANCE OF ENVELOPE

Whole building analysis

ThermDETERMINE PSI VALUES AT ANY POTENTIAL THERMAL BRIDGES

Slab details

Slab details at exterior wall

Exterior wall amp window details

Roof details at exterior wall

Roof details

Insight360 DETERMINE R-VALUE OF EACH COMPONENT

Slab Defi ne assembly

Wall Defi ne opaque wall assembly

Defi ne glazing components

Defi ne window-to-wall ratio

Roof Defi ne assembly

Tally DETERMINE EMBODIED CARBON OF ENVELOPE

Bill of materials Slab assembly

Exterior wall assembly

Glazing components

Roof assembly

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

55

How can tools be integrated differently through the design and construction process

What is the best workfl ow for collaborative design using analytic tools

What tools do you wish were available

Have you engaged in knowledge sharing or education about analytical tools

What tools make the biggest impact on the performance of the fi nal building

What tools best communicate the urgency of high performance low-carbon design to clients

Should certain tools be used exclusively by certain members of the design team

DISCUSSION

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

8

Integrating Tools into the Design ProcessTHE PROCESS OF SUSTAINABLE DESIGN

BIM Model

Detailed

Energy Model

Hygrothermal Model -

WUFI

Thermal Model -

THERM

Energy Model -

Insight360

Life Cycle Assessment -

Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

9

CONTENTS

I IntroductionA

NA

LYS

IS T

OO

LS

V Integrating the Process

VI Discussion

II Thermal Modeling - THERM

III Energy Modeling - Insight360

IV Life Cycle Assessment - Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

10

THERMAL MODELING

bull Thermal bridging can reduce effectiveness of insulation by ~40 (Morrison

Hershfi eld 2011)

bull R-Values can vary from laboratory tested values by as much as 3-5x when

installed in an assembly (Straube)

bull Two primary impacts of thermal bridging

1 Affect total heat loss through the envelope

2 Create local cold spots resulting in condensation material

degradation andor occupant discomfort

WHY - Impacts of Thermal Bridging on Building Performance

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

11

THERMAL MODELING

bull Calculates 2-D heat transfer of elements or assemblies based on fi nite element analysis

bull Renders resulting temperatures across the section

bull Simple to use in-house independent of energy modeling or full envelope design by a consultant

bull Understand the implications of material selection on R-Value early in design

bull Understand how R-Value is impacted by how we detail assemblies and transitions

bull Results feed into energy modeling for more accurate results

bull Model assemblies to comply with building code requirements

bull Graphic output can be used to communicate with clients and others

WHY - THERM by LBNL

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

12

THERMAL MODELINGHOW - Evaluating Existing Conditions

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

13

Retrofi t Option A Fill Stud Cavity w Closed Cell Spray FoamCalculated R-Value = 204 hft2FBtu

Simulated R-Value =15 hft2FBtu

THERMAL MODELINGHOW - Evaluating Retrofi t Options

Retrofi t Option B Fill Stud Cavity w Closed Cell Spray Foam + 1rdquo Continuous InteriorCalculated R-Value = 264 hft2FBtu

Simulated R-Value = 25 hft2FBtu

Existing Wall (shown in plan) Calculated Baseline R-Value = 984 hft2FBtuSimulated R-Value = 86 hft2FBtu

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

14

Existing Wall (shown in plan) Simulated R-Value = 86 hft2FBtu

THERMAL MODELINGHOW - Evaluating Retrofi t Options

Proposed Wall Simulated R-Value = 14 hft2FBtu

WUFI Analysis

Existing Brick

3 58rdquo Mineral Wool

Smart Vapor Barrier

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

15

THERMAL MODELINGWHEN - Detailing and Material Selection

Thermally-Broken Brick TieR = 312 hft2FBtu

Standard Brick TieR = 86 hft2FBtu

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

16

THERMAL MODELINGWHEN - Evaluating Shop Drawings and Material Substitutions

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

17

CONTENTS

I IntroductionA

NA

LYS

IS T

OO

LS

V Integrating the Process

VI Discussion

II Thermal Modeling - THERM

III Energy Modeling - Insight360

IV Life Cycle Assessment - Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

18

BUILDING INFORMATION ANALYTICAL MODEL INSIGHT ANALYSIS

HOW - Generating an Energy Model in RevitENERGY MODELING - INSIGHT360

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

19

ldquoScalable Precisionrdquo in Generating the ModelENERGY MODELING - INSIGHT360

BIM Energy Settings

Conceptual Masses

CHOOSE Geometry Mode

+

CHOOSE Material Thermal Properties

Mode

Building Elements Schematic Types

Conceptual Types

Detailed ElementsBothOR OR

OR OR

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

20

New Construction ExampleENERGY MODELING - INSIGHT360

Project LocationBuilding UseBuilding MassBuilding Elements

Building OrientationWindow-Wall-Ratio - by elevationWindow Shades ndash by elevationWindow Type ndash by elevationWall ConstructionRoof ConstructionInfi ltrationLightingPlug Load Effi ciencyDaylighting and Occupancy ControlsHVAC Types (limited options)Operating Schedule PV Potential

Iteratively Tested through Insight

Defi ned in Revit

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

21

Existing Building ExampleENERGY MODELING - INSIGHT360

Project LocationBuilding UseBuilding OrientationWindow-Wall-Ratio - by elevationWindow Shades ndash by elevation

Defi ned in Revit

Wall ConstructionRoof ConstructionInfi ltrationWindow Type ndash by elevationLightingPlug Load Effi ciencyDaylighting and Occupancy ControlsHVAC Types (limited options)

Iteratively Tested through Insight

Operating Schedule PV Potential

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

22

How to tell if your analytical surfaces are workingENERGY MODELING - INSIGHT360

INTERIOR WALLS ONLY

FLOORS ONLY

ERRORWORKING

EXTERIOR WALLS ONLY

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

23

ENERGY MODELING - INSIGHT360

How to use Insight to drive decisions about your exterior glazing

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

24

Study each variable to determine signifi cance to energy use intensity (EUI)ENERGY MODELING - INSIGHT360

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

25

Understanding relative impact of each variableENERGY MODELING - INSIGHT360

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

26

Understanding relative impact of each variableENERGY MODELING - INSIGHT360

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

27

Window Types defi ned within tiers of precisionENERGY MODELING - INSIGHT360

Tier 3 Schematic Types

Tier 2 Conceptual OptionsTier 1 Slider

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

28

Insight360 vs traditional energy modelENERGY MODELING - INSIGHT360

Inputs fl exible to allow for scalable

precision to evolve throughout your

process

Can be run from recorded

weather data or regional

averages uses DOE-2

engine

BOTH Typical Energy ModelInsight360

Process Meant to be run iteratively

from within your BIM model

Output EUI range

Limitations Cannot parametrically

test building form limited HVAC presets

Essential tools for

evaluating performance of

design

Inputs specifi c numerical value

across many fi elds

Process Limited ability to iterate

must export or create fi le from scratch

duplicates labor

Output Generate a specifi c estimate

rather than a range

Advantages More nuaned HVAC

evaluation

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

29

CONTENTS

I IntroductionA

NA

LYS

IS T

OO

LS

V Integrating the Process

VI Discussion

II Thermal Modeling - THERM

III Energy Modeling - Insight360

IV Life Cycle Assessment - Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

30

LIFE CYCLE ASSESSMENT (LCA)Scientifi c method for measuring the potential cradle to grave or cradle to cradle

environmental footprint of materials products and services over their entire life-

time

IMAGE CREDIT IRISH GREEN BUILDING COUNCIL

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

31

WHY - Cradle to Grave ImpactsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

32

WHY - Impact CategoriesLIFE CYCLE ASSESSMENT (LCA)

bull Global Warming Potential

bull Ozone Depletion Potential

bull Acidifi cation Potential

bull Eutrophication Potential

bull Formation of Tropospheric Ozone (Smog) Potential

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

33

WHY - Cradle to Grave ImpactsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

34

WHY - Impact CategoriesLIFE CYCLE ASSESSMENT (LCA)

WE HAVE 35 YEARS TO GET TO ZERO CARBON

SO WHY ARE WE STILL MEASURING IMPACTS

BASED ON A BUILDINGrsquoS FULL LIFESPAN

-Architecture2030

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

35

LIFE CYCLE ASSESSMENT (LCA)

INPUTS ASSESSMENT OUTPUTS

Material

Attributes amp

Quantity

Materialrsquos GWP

multiplierx

x

x

x

x

x

=

=

=

=

=

=

Materialrsquos ODP

multiplier

Materialrsquos AP

multiplier

Materialrsquos EP

multiplier

Materialrsquos TOP

multiplier

Materialrsquos NRDP

multiplier

Global Warming Potential

in kg CO2e

Ozone Depletion Potential

in kg CFC-11

Acidification Potential

in kg SO2

Eutrophication Potential

in kg nitrogen or kg phosphate

Tropospheric Ozone Potential

in kg NOx or kg O3 eq

Non-renewable Resource

Depletion Potential

in MJ

Project Location

and Service Life

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

36

ImplementationLIFE CYCLE ASSESSMENT (LCA)

Excel Spreadsheet

Environmental Product Declaration

Analysis Software Tools

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

37

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

38

HOW - Window ProductsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

39

DEFINE GLAZING

DEFINE WINDOW FRAME

CHOOSE FROM MATERIAL

DROPDOWN

OPTION TO DEFINE MATERIAL

TAKEOFF METHOD

OPTION TO DEFINE SERVICE

LIFE OF EACH ELEMENT

MATERIAL OPTIONS WITH EPDS

ARE NOTED

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

40

FINALIZE PROJECT SETTINGS

OPTION TO INCLUDE OPERATIONAL ENERGY

OPTION TO INCLUDE CONSTRUCTION IMPACTS

HOW - Window ProductsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

41

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

42

HOW - Structural System SelectionIMPLEMENTATION - LCA SOFTWARE

Compare an equivalent 30rsquo x 30rsquo structural bay constructed of

I Concrete columns beams and slab

II Steel columns beams and joists with concrete on metal deck

III Glulam columns and beams with wood infi ll and a concrete topping slab

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

43

HOW - Structural Systems ComparisonIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

44

HOW - Structural Systems ComparisonIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

45

bull 115000 sf existing building from the 1970s

bull Brick cladding and concrete structural system

bull Comprehensive renovation including new systems and partition walls

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

46

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

47

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

48

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

49

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

50

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

Total embodied Global Warming Potential of renovation = 782118 kgCO2eq

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

51

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

Total embodied Global Warming Potential of renovation = 782118 kgCO2eq

It takes = ~2 years of operation for the improved operational effi ciency to payback the renovation impacts

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

52

OVERVIEW

I IntroductionA

NA

LYS

IS T

OO

LS

V Integrating the Process

VI Discussion

II Thermal Modeling - THERM

III Energy Modeling - Insight360

IV Life Cycle Assessment - Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

53

ANALYTICAL WORKFLOW INTEGRATIONPROPOSAL CONCEPTS SCHEMATIC DESIGN

DEVELOPMENT

CONSTRUCTION

DOCUMENTS

CONSTRUCTION

ADMINISTRATION

OCCUPANCY

THERMAL

ANALYSIS

ENERGY

ANALYSIS

LIFE CYCLE

ANALYSIS

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

54

Integrating tools into the envelope design processANALYTICAL WORKFLOW

BIM Model

Detailed

Energy Model DETERMINE PROJECTED ENERGY CONSUMPTION

Whole building analysis

WUFIDETERMINE HYGROTHERMAL PERFORMANCE OF ENVELOPE

Whole building analysis

ThermDETERMINE PSI VALUES AT ANY POTENTIAL THERMAL BRIDGES

Slab details

Slab details at exterior wall

Exterior wall amp window details

Roof details at exterior wall

Roof details

Insight360 DETERMINE R-VALUE OF EACH COMPONENT

Slab Defi ne assembly

Wall Defi ne opaque wall assembly

Defi ne glazing components

Defi ne window-to-wall ratio

Roof Defi ne assembly

Tally DETERMINE EMBODIED CARBON OF ENVELOPE

Bill of materials Slab assembly

Exterior wall assembly

Glazing components

Roof assembly

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

55

How can tools be integrated differently through the design and construction process

What is the best workfl ow for collaborative design using analytic tools

What tools do you wish were available

Have you engaged in knowledge sharing or education about analytical tools

What tools make the biggest impact on the performance of the fi nal building

What tools best communicate the urgency of high performance low-carbon design to clients

Should certain tools be used exclusively by certain members of the design team

DISCUSSION

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

9

CONTENTS

I IntroductionA

NA

LYS

IS T

OO

LS

V Integrating the Process

VI Discussion

II Thermal Modeling - THERM

III Energy Modeling - Insight360

IV Life Cycle Assessment - Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

10

THERMAL MODELING

bull Thermal bridging can reduce effectiveness of insulation by ~40 (Morrison

Hershfi eld 2011)

bull R-Values can vary from laboratory tested values by as much as 3-5x when

installed in an assembly (Straube)

bull Two primary impacts of thermal bridging

1 Affect total heat loss through the envelope

2 Create local cold spots resulting in condensation material

degradation andor occupant discomfort

WHY - Impacts of Thermal Bridging on Building Performance

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

11

THERMAL MODELING

bull Calculates 2-D heat transfer of elements or assemblies based on fi nite element analysis

bull Renders resulting temperatures across the section

bull Simple to use in-house independent of energy modeling or full envelope design by a consultant

bull Understand the implications of material selection on R-Value early in design

bull Understand how R-Value is impacted by how we detail assemblies and transitions

bull Results feed into energy modeling for more accurate results

bull Model assemblies to comply with building code requirements

bull Graphic output can be used to communicate with clients and others

WHY - THERM by LBNL

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

12

THERMAL MODELINGHOW - Evaluating Existing Conditions

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

13

Retrofi t Option A Fill Stud Cavity w Closed Cell Spray FoamCalculated R-Value = 204 hft2FBtu

Simulated R-Value =15 hft2FBtu

THERMAL MODELINGHOW - Evaluating Retrofi t Options

Retrofi t Option B Fill Stud Cavity w Closed Cell Spray Foam + 1rdquo Continuous InteriorCalculated R-Value = 264 hft2FBtu

Simulated R-Value = 25 hft2FBtu

Existing Wall (shown in plan) Calculated Baseline R-Value = 984 hft2FBtuSimulated R-Value = 86 hft2FBtu

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

14

Existing Wall (shown in plan) Simulated R-Value = 86 hft2FBtu

THERMAL MODELINGHOW - Evaluating Retrofi t Options

Proposed Wall Simulated R-Value = 14 hft2FBtu

WUFI Analysis

Existing Brick

3 58rdquo Mineral Wool

Smart Vapor Barrier

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

15

THERMAL MODELINGWHEN - Detailing and Material Selection

Thermally-Broken Brick TieR = 312 hft2FBtu

Standard Brick TieR = 86 hft2FBtu

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

16

THERMAL MODELINGWHEN - Evaluating Shop Drawings and Material Substitutions

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

17

CONTENTS

I IntroductionA

NA

LYS

IS T

OO

LS

V Integrating the Process

VI Discussion

II Thermal Modeling - THERM

III Energy Modeling - Insight360

IV Life Cycle Assessment - Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

18

BUILDING INFORMATION ANALYTICAL MODEL INSIGHT ANALYSIS

HOW - Generating an Energy Model in RevitENERGY MODELING - INSIGHT360

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

19

ldquoScalable Precisionrdquo in Generating the ModelENERGY MODELING - INSIGHT360

BIM Energy Settings

Conceptual Masses

CHOOSE Geometry Mode

+

CHOOSE Material Thermal Properties

Mode

Building Elements Schematic Types

Conceptual Types

Detailed ElementsBothOR OR

OR OR

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

20

New Construction ExampleENERGY MODELING - INSIGHT360

Project LocationBuilding UseBuilding MassBuilding Elements

Building OrientationWindow-Wall-Ratio - by elevationWindow Shades ndash by elevationWindow Type ndash by elevationWall ConstructionRoof ConstructionInfi ltrationLightingPlug Load Effi ciencyDaylighting and Occupancy ControlsHVAC Types (limited options)Operating Schedule PV Potential

Iteratively Tested through Insight

Defi ned in Revit

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

21

Existing Building ExampleENERGY MODELING - INSIGHT360

Project LocationBuilding UseBuilding OrientationWindow-Wall-Ratio - by elevationWindow Shades ndash by elevation

Defi ned in Revit

Wall ConstructionRoof ConstructionInfi ltrationWindow Type ndash by elevationLightingPlug Load Effi ciencyDaylighting and Occupancy ControlsHVAC Types (limited options)

Iteratively Tested through Insight

Operating Schedule PV Potential

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

22

How to tell if your analytical surfaces are workingENERGY MODELING - INSIGHT360

INTERIOR WALLS ONLY

FLOORS ONLY

ERRORWORKING

EXTERIOR WALLS ONLY

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

23

ENERGY MODELING - INSIGHT360

How to use Insight to drive decisions about your exterior glazing

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

24

Study each variable to determine signifi cance to energy use intensity (EUI)ENERGY MODELING - INSIGHT360

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

25

Understanding relative impact of each variableENERGY MODELING - INSIGHT360

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

26

Understanding relative impact of each variableENERGY MODELING - INSIGHT360

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

27

Window Types defi ned within tiers of precisionENERGY MODELING - INSIGHT360

Tier 3 Schematic Types

Tier 2 Conceptual OptionsTier 1 Slider

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

28

Insight360 vs traditional energy modelENERGY MODELING - INSIGHT360

Inputs fl exible to allow for scalable

precision to evolve throughout your

process

Can be run from recorded

weather data or regional

averages uses DOE-2

engine

BOTH Typical Energy ModelInsight360

Process Meant to be run iteratively

from within your BIM model

Output EUI range

Limitations Cannot parametrically

test building form limited HVAC presets

Essential tools for

evaluating performance of

design

Inputs specifi c numerical value

across many fi elds

Process Limited ability to iterate

must export or create fi le from scratch

duplicates labor

Output Generate a specifi c estimate

rather than a range

Advantages More nuaned HVAC

evaluation

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

29

CONTENTS

I IntroductionA

NA

LYS

IS T

OO

LS

V Integrating the Process

VI Discussion

II Thermal Modeling - THERM

III Energy Modeling - Insight360

IV Life Cycle Assessment - Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

30

LIFE CYCLE ASSESSMENT (LCA)Scientifi c method for measuring the potential cradle to grave or cradle to cradle

environmental footprint of materials products and services over their entire life-

time

IMAGE CREDIT IRISH GREEN BUILDING COUNCIL

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

31

WHY - Cradle to Grave ImpactsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

32

WHY - Impact CategoriesLIFE CYCLE ASSESSMENT (LCA)

bull Global Warming Potential

bull Ozone Depletion Potential

bull Acidifi cation Potential

bull Eutrophication Potential

bull Formation of Tropospheric Ozone (Smog) Potential

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

33

WHY - Cradle to Grave ImpactsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

34

WHY - Impact CategoriesLIFE CYCLE ASSESSMENT (LCA)

WE HAVE 35 YEARS TO GET TO ZERO CARBON

SO WHY ARE WE STILL MEASURING IMPACTS

BASED ON A BUILDINGrsquoS FULL LIFESPAN

-Architecture2030

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

35

LIFE CYCLE ASSESSMENT (LCA)

INPUTS ASSESSMENT OUTPUTS

Material

Attributes amp

Quantity

Materialrsquos GWP

multiplierx

x

x

x

x

x

=

=

=

=

=

=

Materialrsquos ODP

multiplier

Materialrsquos AP

multiplier

Materialrsquos EP

multiplier

Materialrsquos TOP

multiplier

Materialrsquos NRDP

multiplier

Global Warming Potential

in kg CO2e

Ozone Depletion Potential

in kg CFC-11

Acidification Potential

in kg SO2

Eutrophication Potential

in kg nitrogen or kg phosphate

Tropospheric Ozone Potential

in kg NOx or kg O3 eq

Non-renewable Resource

Depletion Potential

in MJ

Project Location

and Service Life

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

36

ImplementationLIFE CYCLE ASSESSMENT (LCA)

Excel Spreadsheet

Environmental Product Declaration

Analysis Software Tools

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

37

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

38

HOW - Window ProductsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

39

DEFINE GLAZING

DEFINE WINDOW FRAME

CHOOSE FROM MATERIAL

DROPDOWN

OPTION TO DEFINE MATERIAL

TAKEOFF METHOD

OPTION TO DEFINE SERVICE

LIFE OF EACH ELEMENT

MATERIAL OPTIONS WITH EPDS

ARE NOTED

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

40

FINALIZE PROJECT SETTINGS

OPTION TO INCLUDE OPERATIONAL ENERGY

OPTION TO INCLUDE CONSTRUCTION IMPACTS

HOW - Window ProductsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

41

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

42

HOW - Structural System SelectionIMPLEMENTATION - LCA SOFTWARE

Compare an equivalent 30rsquo x 30rsquo structural bay constructed of

I Concrete columns beams and slab

II Steel columns beams and joists with concrete on metal deck

III Glulam columns and beams with wood infi ll and a concrete topping slab

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

43

HOW - Structural Systems ComparisonIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

44

HOW - Structural Systems ComparisonIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

45

bull 115000 sf existing building from the 1970s

bull Brick cladding and concrete structural system

bull Comprehensive renovation including new systems and partition walls

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

46

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

47

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

48

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

49

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

50

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

Total embodied Global Warming Potential of renovation = 782118 kgCO2eq

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

51

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

Total embodied Global Warming Potential of renovation = 782118 kgCO2eq

It takes = ~2 years of operation for the improved operational effi ciency to payback the renovation impacts

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

52

OVERVIEW

I IntroductionA

NA

LYS

IS T

OO

LS

V Integrating the Process

VI Discussion

II Thermal Modeling - THERM

III Energy Modeling - Insight360

IV Life Cycle Assessment - Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

53

ANALYTICAL WORKFLOW INTEGRATIONPROPOSAL CONCEPTS SCHEMATIC DESIGN

DEVELOPMENT

CONSTRUCTION

DOCUMENTS

CONSTRUCTION

ADMINISTRATION

OCCUPANCY

THERMAL

ANALYSIS

ENERGY

ANALYSIS

LIFE CYCLE

ANALYSIS

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

54

Integrating tools into the envelope design processANALYTICAL WORKFLOW

BIM Model

Detailed

Energy Model DETERMINE PROJECTED ENERGY CONSUMPTION

Whole building analysis

WUFIDETERMINE HYGROTHERMAL PERFORMANCE OF ENVELOPE

Whole building analysis

ThermDETERMINE PSI VALUES AT ANY POTENTIAL THERMAL BRIDGES

Slab details

Slab details at exterior wall

Exterior wall amp window details

Roof details at exterior wall

Roof details

Insight360 DETERMINE R-VALUE OF EACH COMPONENT

Slab Defi ne assembly

Wall Defi ne opaque wall assembly

Defi ne glazing components

Defi ne window-to-wall ratio

Roof Defi ne assembly

Tally DETERMINE EMBODIED CARBON OF ENVELOPE

Bill of materials Slab assembly

Exterior wall assembly

Glazing components

Roof assembly

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

55

How can tools be integrated differently through the design and construction process

What is the best workfl ow for collaborative design using analytic tools

What tools do you wish were available

Have you engaged in knowledge sharing or education about analytical tools

What tools make the biggest impact on the performance of the fi nal building

What tools best communicate the urgency of high performance low-carbon design to clients

Should certain tools be used exclusively by certain members of the design team

DISCUSSION

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

10

THERMAL MODELING

bull Thermal bridging can reduce effectiveness of insulation by ~40 (Morrison

Hershfi eld 2011)

bull R-Values can vary from laboratory tested values by as much as 3-5x when

installed in an assembly (Straube)

bull Two primary impacts of thermal bridging

1 Affect total heat loss through the envelope

2 Create local cold spots resulting in condensation material

degradation andor occupant discomfort

WHY - Impacts of Thermal Bridging on Building Performance

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

11

THERMAL MODELING

bull Calculates 2-D heat transfer of elements or assemblies based on fi nite element analysis

bull Renders resulting temperatures across the section

bull Simple to use in-house independent of energy modeling or full envelope design by a consultant

bull Understand the implications of material selection on R-Value early in design

bull Understand how R-Value is impacted by how we detail assemblies and transitions

bull Results feed into energy modeling for more accurate results

bull Model assemblies to comply with building code requirements

bull Graphic output can be used to communicate with clients and others

WHY - THERM by LBNL

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

12

THERMAL MODELINGHOW - Evaluating Existing Conditions

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

13

Retrofi t Option A Fill Stud Cavity w Closed Cell Spray FoamCalculated R-Value = 204 hft2FBtu

Simulated R-Value =15 hft2FBtu

THERMAL MODELINGHOW - Evaluating Retrofi t Options

Retrofi t Option B Fill Stud Cavity w Closed Cell Spray Foam + 1rdquo Continuous InteriorCalculated R-Value = 264 hft2FBtu

Simulated R-Value = 25 hft2FBtu

Existing Wall (shown in plan) Calculated Baseline R-Value = 984 hft2FBtuSimulated R-Value = 86 hft2FBtu

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

14

Existing Wall (shown in plan) Simulated R-Value = 86 hft2FBtu

THERMAL MODELINGHOW - Evaluating Retrofi t Options

Proposed Wall Simulated R-Value = 14 hft2FBtu

WUFI Analysis

Existing Brick

3 58rdquo Mineral Wool

Smart Vapor Barrier

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

15

THERMAL MODELINGWHEN - Detailing and Material Selection

Thermally-Broken Brick TieR = 312 hft2FBtu

Standard Brick TieR = 86 hft2FBtu

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

16

THERMAL MODELINGWHEN - Evaluating Shop Drawings and Material Substitutions

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

17

CONTENTS

I IntroductionA

NA

LYS

IS T

OO

LS

V Integrating the Process

VI Discussion

II Thermal Modeling - THERM

III Energy Modeling - Insight360

IV Life Cycle Assessment - Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

18

BUILDING INFORMATION ANALYTICAL MODEL INSIGHT ANALYSIS

HOW - Generating an Energy Model in RevitENERGY MODELING - INSIGHT360

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

19

ldquoScalable Precisionrdquo in Generating the ModelENERGY MODELING - INSIGHT360

BIM Energy Settings

Conceptual Masses

CHOOSE Geometry Mode

+

CHOOSE Material Thermal Properties

Mode

Building Elements Schematic Types

Conceptual Types

Detailed ElementsBothOR OR

OR OR

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

20

New Construction ExampleENERGY MODELING - INSIGHT360

Project LocationBuilding UseBuilding MassBuilding Elements

Building OrientationWindow-Wall-Ratio - by elevationWindow Shades ndash by elevationWindow Type ndash by elevationWall ConstructionRoof ConstructionInfi ltrationLightingPlug Load Effi ciencyDaylighting and Occupancy ControlsHVAC Types (limited options)Operating Schedule PV Potential

Iteratively Tested through Insight

Defi ned in Revit

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

21

Existing Building ExampleENERGY MODELING - INSIGHT360

Project LocationBuilding UseBuilding OrientationWindow-Wall-Ratio - by elevationWindow Shades ndash by elevation

Defi ned in Revit

Wall ConstructionRoof ConstructionInfi ltrationWindow Type ndash by elevationLightingPlug Load Effi ciencyDaylighting and Occupancy ControlsHVAC Types (limited options)

Iteratively Tested through Insight

Operating Schedule PV Potential

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

22

How to tell if your analytical surfaces are workingENERGY MODELING - INSIGHT360

INTERIOR WALLS ONLY

FLOORS ONLY

ERRORWORKING

EXTERIOR WALLS ONLY

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

23

ENERGY MODELING - INSIGHT360

How to use Insight to drive decisions about your exterior glazing

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

24

Study each variable to determine signifi cance to energy use intensity (EUI)ENERGY MODELING - INSIGHT360

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

25

Understanding relative impact of each variableENERGY MODELING - INSIGHT360

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

26

Understanding relative impact of each variableENERGY MODELING - INSIGHT360

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

27

Window Types defi ned within tiers of precisionENERGY MODELING - INSIGHT360

Tier 3 Schematic Types

Tier 2 Conceptual OptionsTier 1 Slider

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

28

Insight360 vs traditional energy modelENERGY MODELING - INSIGHT360

Inputs fl exible to allow for scalable

precision to evolve throughout your

process

Can be run from recorded

weather data or regional

averages uses DOE-2

engine

BOTH Typical Energy ModelInsight360

Process Meant to be run iteratively

from within your BIM model

Output EUI range

Limitations Cannot parametrically

test building form limited HVAC presets

Essential tools for

evaluating performance of

design

Inputs specifi c numerical value

across many fi elds

Process Limited ability to iterate

must export or create fi le from scratch

duplicates labor

Output Generate a specifi c estimate

rather than a range

Advantages More nuaned HVAC

evaluation

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

29

CONTENTS

I IntroductionA

NA

LYS

IS T

OO

LS

V Integrating the Process

VI Discussion

II Thermal Modeling - THERM

III Energy Modeling - Insight360

IV Life Cycle Assessment - Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

30

LIFE CYCLE ASSESSMENT (LCA)Scientifi c method for measuring the potential cradle to grave or cradle to cradle

environmental footprint of materials products and services over their entire life-

time

IMAGE CREDIT IRISH GREEN BUILDING COUNCIL

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

31

WHY - Cradle to Grave ImpactsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

32

WHY - Impact CategoriesLIFE CYCLE ASSESSMENT (LCA)

bull Global Warming Potential

bull Ozone Depletion Potential

bull Acidifi cation Potential

bull Eutrophication Potential

bull Formation of Tropospheric Ozone (Smog) Potential

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

33

WHY - Cradle to Grave ImpactsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

34

WHY - Impact CategoriesLIFE CYCLE ASSESSMENT (LCA)

WE HAVE 35 YEARS TO GET TO ZERO CARBON

SO WHY ARE WE STILL MEASURING IMPACTS

BASED ON A BUILDINGrsquoS FULL LIFESPAN

-Architecture2030

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

35

LIFE CYCLE ASSESSMENT (LCA)

INPUTS ASSESSMENT OUTPUTS

Material

Attributes amp

Quantity

Materialrsquos GWP

multiplierx

x

x

x

x

x

=

=

=

=

=

=

Materialrsquos ODP

multiplier

Materialrsquos AP

multiplier

Materialrsquos EP

multiplier

Materialrsquos TOP

multiplier

Materialrsquos NRDP

multiplier

Global Warming Potential

in kg CO2e

Ozone Depletion Potential

in kg CFC-11

Acidification Potential

in kg SO2

Eutrophication Potential

in kg nitrogen or kg phosphate

Tropospheric Ozone Potential

in kg NOx or kg O3 eq

Non-renewable Resource

Depletion Potential

in MJ

Project Location

and Service Life

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

36

ImplementationLIFE CYCLE ASSESSMENT (LCA)

Excel Spreadsheet

Environmental Product Declaration

Analysis Software Tools

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

37

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

38

HOW - Window ProductsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

39

DEFINE GLAZING

DEFINE WINDOW FRAME

CHOOSE FROM MATERIAL

DROPDOWN

OPTION TO DEFINE MATERIAL

TAKEOFF METHOD

OPTION TO DEFINE SERVICE

LIFE OF EACH ELEMENT

MATERIAL OPTIONS WITH EPDS

ARE NOTED

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

40

FINALIZE PROJECT SETTINGS

OPTION TO INCLUDE OPERATIONAL ENERGY

OPTION TO INCLUDE CONSTRUCTION IMPACTS

HOW - Window ProductsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

41

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

42

HOW - Structural System SelectionIMPLEMENTATION - LCA SOFTWARE

Compare an equivalent 30rsquo x 30rsquo structural bay constructed of

I Concrete columns beams and slab

II Steel columns beams and joists with concrete on metal deck

III Glulam columns and beams with wood infi ll and a concrete topping slab

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

43

HOW - Structural Systems ComparisonIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

44

HOW - Structural Systems ComparisonIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

45

bull 115000 sf existing building from the 1970s

bull Brick cladding and concrete structural system

bull Comprehensive renovation including new systems and partition walls

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

46

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

47

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

48

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

49

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

50

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

Total embodied Global Warming Potential of renovation = 782118 kgCO2eq

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

51

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

Total embodied Global Warming Potential of renovation = 782118 kgCO2eq

It takes = ~2 years of operation for the improved operational effi ciency to payback the renovation impacts

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

52

OVERVIEW

I IntroductionA

NA

LYS

IS T

OO

LS

V Integrating the Process

VI Discussion

II Thermal Modeling - THERM

III Energy Modeling - Insight360

IV Life Cycle Assessment - Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

53

ANALYTICAL WORKFLOW INTEGRATIONPROPOSAL CONCEPTS SCHEMATIC DESIGN

DEVELOPMENT

CONSTRUCTION

DOCUMENTS

CONSTRUCTION

ADMINISTRATION

OCCUPANCY

THERMAL

ANALYSIS

ENERGY

ANALYSIS

LIFE CYCLE

ANALYSIS

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

54

Integrating tools into the envelope design processANALYTICAL WORKFLOW

BIM Model

Detailed

Energy Model DETERMINE PROJECTED ENERGY CONSUMPTION

Whole building analysis

WUFIDETERMINE HYGROTHERMAL PERFORMANCE OF ENVELOPE

Whole building analysis

ThermDETERMINE PSI VALUES AT ANY POTENTIAL THERMAL BRIDGES

Slab details

Slab details at exterior wall

Exterior wall amp window details

Roof details at exterior wall

Roof details

Insight360 DETERMINE R-VALUE OF EACH COMPONENT

Slab Defi ne assembly

Wall Defi ne opaque wall assembly

Defi ne glazing components

Defi ne window-to-wall ratio

Roof Defi ne assembly

Tally DETERMINE EMBODIED CARBON OF ENVELOPE

Bill of materials Slab assembly

Exterior wall assembly

Glazing components

Roof assembly

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

55

How can tools be integrated differently through the design and construction process

What is the best workfl ow for collaborative design using analytic tools

What tools do you wish were available

Have you engaged in knowledge sharing or education about analytical tools

What tools make the biggest impact on the performance of the fi nal building

What tools best communicate the urgency of high performance low-carbon design to clients

Should certain tools be used exclusively by certain members of the design team

DISCUSSION

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

11

THERMAL MODELING

bull Calculates 2-D heat transfer of elements or assemblies based on fi nite element analysis

bull Renders resulting temperatures across the section

bull Simple to use in-house independent of energy modeling or full envelope design by a consultant

bull Understand the implications of material selection on R-Value early in design

bull Understand how R-Value is impacted by how we detail assemblies and transitions

bull Results feed into energy modeling for more accurate results

bull Model assemblies to comply with building code requirements

bull Graphic output can be used to communicate with clients and others

WHY - THERM by LBNL

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

12

THERMAL MODELINGHOW - Evaluating Existing Conditions

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

13

Retrofi t Option A Fill Stud Cavity w Closed Cell Spray FoamCalculated R-Value = 204 hft2FBtu

Simulated R-Value =15 hft2FBtu

THERMAL MODELINGHOW - Evaluating Retrofi t Options

Retrofi t Option B Fill Stud Cavity w Closed Cell Spray Foam + 1rdquo Continuous InteriorCalculated R-Value = 264 hft2FBtu

Simulated R-Value = 25 hft2FBtu

Existing Wall (shown in plan) Calculated Baseline R-Value = 984 hft2FBtuSimulated R-Value = 86 hft2FBtu

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

14

Existing Wall (shown in plan) Simulated R-Value = 86 hft2FBtu

THERMAL MODELINGHOW - Evaluating Retrofi t Options

Proposed Wall Simulated R-Value = 14 hft2FBtu

WUFI Analysis

Existing Brick

3 58rdquo Mineral Wool

Smart Vapor Barrier

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

15

THERMAL MODELINGWHEN - Detailing and Material Selection

Thermally-Broken Brick TieR = 312 hft2FBtu

Standard Brick TieR = 86 hft2FBtu

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

16

THERMAL MODELINGWHEN - Evaluating Shop Drawings and Material Substitutions

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

17

CONTENTS

I IntroductionA

NA

LYS

IS T

OO

LS

V Integrating the Process

VI Discussion

II Thermal Modeling - THERM

III Energy Modeling - Insight360

IV Life Cycle Assessment - Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

18

BUILDING INFORMATION ANALYTICAL MODEL INSIGHT ANALYSIS

HOW - Generating an Energy Model in RevitENERGY MODELING - INSIGHT360

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

19

ldquoScalable Precisionrdquo in Generating the ModelENERGY MODELING - INSIGHT360

BIM Energy Settings

Conceptual Masses

CHOOSE Geometry Mode

+

CHOOSE Material Thermal Properties

Mode

Building Elements Schematic Types

Conceptual Types

Detailed ElementsBothOR OR

OR OR

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

20

New Construction ExampleENERGY MODELING - INSIGHT360

Project LocationBuilding UseBuilding MassBuilding Elements

Building OrientationWindow-Wall-Ratio - by elevationWindow Shades ndash by elevationWindow Type ndash by elevationWall ConstructionRoof ConstructionInfi ltrationLightingPlug Load Effi ciencyDaylighting and Occupancy ControlsHVAC Types (limited options)Operating Schedule PV Potential

Iteratively Tested through Insight

Defi ned in Revit

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

21

Existing Building ExampleENERGY MODELING - INSIGHT360

Project LocationBuilding UseBuilding OrientationWindow-Wall-Ratio - by elevationWindow Shades ndash by elevation

Defi ned in Revit

Wall ConstructionRoof ConstructionInfi ltrationWindow Type ndash by elevationLightingPlug Load Effi ciencyDaylighting and Occupancy ControlsHVAC Types (limited options)

Iteratively Tested through Insight

Operating Schedule PV Potential

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

22

How to tell if your analytical surfaces are workingENERGY MODELING - INSIGHT360

INTERIOR WALLS ONLY

FLOORS ONLY

ERRORWORKING

EXTERIOR WALLS ONLY

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

23

ENERGY MODELING - INSIGHT360

How to use Insight to drive decisions about your exterior glazing

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

24

Study each variable to determine signifi cance to energy use intensity (EUI)ENERGY MODELING - INSIGHT360

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

25

Understanding relative impact of each variableENERGY MODELING - INSIGHT360

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

26

Understanding relative impact of each variableENERGY MODELING - INSIGHT360

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

27

Window Types defi ned within tiers of precisionENERGY MODELING - INSIGHT360

Tier 3 Schematic Types

Tier 2 Conceptual OptionsTier 1 Slider

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

28

Insight360 vs traditional energy modelENERGY MODELING - INSIGHT360

Inputs fl exible to allow for scalable

precision to evolve throughout your

process

Can be run from recorded

weather data or regional

averages uses DOE-2

engine

BOTH Typical Energy ModelInsight360

Process Meant to be run iteratively

from within your BIM model

Output EUI range

Limitations Cannot parametrically

test building form limited HVAC presets

Essential tools for

evaluating performance of

design

Inputs specifi c numerical value

across many fi elds

Process Limited ability to iterate

must export or create fi le from scratch

duplicates labor

Output Generate a specifi c estimate

rather than a range

Advantages More nuaned HVAC

evaluation

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

29

CONTENTS

I IntroductionA

NA

LYS

IS T

OO

LS

V Integrating the Process

VI Discussion

II Thermal Modeling - THERM

III Energy Modeling - Insight360

IV Life Cycle Assessment - Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

30

LIFE CYCLE ASSESSMENT (LCA)Scientifi c method for measuring the potential cradle to grave or cradle to cradle

environmental footprint of materials products and services over their entire life-

time

IMAGE CREDIT IRISH GREEN BUILDING COUNCIL

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

31

WHY - Cradle to Grave ImpactsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

32

WHY - Impact CategoriesLIFE CYCLE ASSESSMENT (LCA)

bull Global Warming Potential

bull Ozone Depletion Potential

bull Acidifi cation Potential

bull Eutrophication Potential

bull Formation of Tropospheric Ozone (Smog) Potential

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

33

WHY - Cradle to Grave ImpactsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

34

WHY - Impact CategoriesLIFE CYCLE ASSESSMENT (LCA)

WE HAVE 35 YEARS TO GET TO ZERO CARBON

SO WHY ARE WE STILL MEASURING IMPACTS

BASED ON A BUILDINGrsquoS FULL LIFESPAN

-Architecture2030

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

35

LIFE CYCLE ASSESSMENT (LCA)

INPUTS ASSESSMENT OUTPUTS

Material

Attributes amp

Quantity

Materialrsquos GWP

multiplierx

x

x

x

x

x

=

=

=

=

=

=

Materialrsquos ODP

multiplier

Materialrsquos AP

multiplier

Materialrsquos EP

multiplier

Materialrsquos TOP

multiplier

Materialrsquos NRDP

multiplier

Global Warming Potential

in kg CO2e

Ozone Depletion Potential

in kg CFC-11

Acidification Potential

in kg SO2

Eutrophication Potential

in kg nitrogen or kg phosphate

Tropospheric Ozone Potential

in kg NOx or kg O3 eq

Non-renewable Resource

Depletion Potential

in MJ

Project Location

and Service Life

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

36

ImplementationLIFE CYCLE ASSESSMENT (LCA)

Excel Spreadsheet

Environmental Product Declaration

Analysis Software Tools

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

37

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

38

HOW - Window ProductsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

39

DEFINE GLAZING

DEFINE WINDOW FRAME

CHOOSE FROM MATERIAL

DROPDOWN

OPTION TO DEFINE MATERIAL

TAKEOFF METHOD

OPTION TO DEFINE SERVICE

LIFE OF EACH ELEMENT

MATERIAL OPTIONS WITH EPDS

ARE NOTED

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

40

FINALIZE PROJECT SETTINGS

OPTION TO INCLUDE OPERATIONAL ENERGY

OPTION TO INCLUDE CONSTRUCTION IMPACTS

HOW - Window ProductsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

41

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

42

HOW - Structural System SelectionIMPLEMENTATION - LCA SOFTWARE

Compare an equivalent 30rsquo x 30rsquo structural bay constructed of

I Concrete columns beams and slab

II Steel columns beams and joists with concrete on metal deck

III Glulam columns and beams with wood infi ll and a concrete topping slab

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

43

HOW - Structural Systems ComparisonIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

44

HOW - Structural Systems ComparisonIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

45

bull 115000 sf existing building from the 1970s

bull Brick cladding and concrete structural system

bull Comprehensive renovation including new systems and partition walls

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

46

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

47

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

48

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

49

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

50

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

Total embodied Global Warming Potential of renovation = 782118 kgCO2eq

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

51

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

Total embodied Global Warming Potential of renovation = 782118 kgCO2eq

It takes = ~2 years of operation for the improved operational effi ciency to payback the renovation impacts

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

52

OVERVIEW

I IntroductionA

NA

LYS

IS T

OO

LS

V Integrating the Process

VI Discussion

II Thermal Modeling - THERM

III Energy Modeling - Insight360

IV Life Cycle Assessment - Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

53

ANALYTICAL WORKFLOW INTEGRATIONPROPOSAL CONCEPTS SCHEMATIC DESIGN

DEVELOPMENT

CONSTRUCTION

DOCUMENTS

CONSTRUCTION

ADMINISTRATION

OCCUPANCY

THERMAL

ANALYSIS

ENERGY

ANALYSIS

LIFE CYCLE

ANALYSIS

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

54

Integrating tools into the envelope design processANALYTICAL WORKFLOW

BIM Model

Detailed

Energy Model DETERMINE PROJECTED ENERGY CONSUMPTION

Whole building analysis

WUFIDETERMINE HYGROTHERMAL PERFORMANCE OF ENVELOPE

Whole building analysis

ThermDETERMINE PSI VALUES AT ANY POTENTIAL THERMAL BRIDGES

Slab details

Slab details at exterior wall

Exterior wall amp window details

Roof details at exterior wall

Roof details

Insight360 DETERMINE R-VALUE OF EACH COMPONENT

Slab Defi ne assembly

Wall Defi ne opaque wall assembly

Defi ne glazing components

Defi ne window-to-wall ratio

Roof Defi ne assembly

Tally DETERMINE EMBODIED CARBON OF ENVELOPE

Bill of materials Slab assembly

Exterior wall assembly

Glazing components

Roof assembly

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

55

How can tools be integrated differently through the design and construction process

What is the best workfl ow for collaborative design using analytic tools

What tools do you wish were available

Have you engaged in knowledge sharing or education about analytical tools

What tools make the biggest impact on the performance of the fi nal building

What tools best communicate the urgency of high performance low-carbon design to clients

Should certain tools be used exclusively by certain members of the design team

DISCUSSION

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

12

THERMAL MODELINGHOW - Evaluating Existing Conditions

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

13

Retrofi t Option A Fill Stud Cavity w Closed Cell Spray FoamCalculated R-Value = 204 hft2FBtu

Simulated R-Value =15 hft2FBtu

THERMAL MODELINGHOW - Evaluating Retrofi t Options

Retrofi t Option B Fill Stud Cavity w Closed Cell Spray Foam + 1rdquo Continuous InteriorCalculated R-Value = 264 hft2FBtu

Simulated R-Value = 25 hft2FBtu

Existing Wall (shown in plan) Calculated Baseline R-Value = 984 hft2FBtuSimulated R-Value = 86 hft2FBtu

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

14

Existing Wall (shown in plan) Simulated R-Value = 86 hft2FBtu

THERMAL MODELINGHOW - Evaluating Retrofi t Options

Proposed Wall Simulated R-Value = 14 hft2FBtu

WUFI Analysis

Existing Brick

3 58rdquo Mineral Wool

Smart Vapor Barrier

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

15

THERMAL MODELINGWHEN - Detailing and Material Selection

Thermally-Broken Brick TieR = 312 hft2FBtu

Standard Brick TieR = 86 hft2FBtu

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

16

THERMAL MODELINGWHEN - Evaluating Shop Drawings and Material Substitutions

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

17

CONTENTS

I IntroductionA

NA

LYS

IS T

OO

LS

V Integrating the Process

VI Discussion

II Thermal Modeling - THERM

III Energy Modeling - Insight360

IV Life Cycle Assessment - Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

18

BUILDING INFORMATION ANALYTICAL MODEL INSIGHT ANALYSIS

HOW - Generating an Energy Model in RevitENERGY MODELING - INSIGHT360

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

19

ldquoScalable Precisionrdquo in Generating the ModelENERGY MODELING - INSIGHT360

BIM Energy Settings

Conceptual Masses

CHOOSE Geometry Mode

+

CHOOSE Material Thermal Properties

Mode

Building Elements Schematic Types

Conceptual Types

Detailed ElementsBothOR OR

OR OR

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

20

New Construction ExampleENERGY MODELING - INSIGHT360

Project LocationBuilding UseBuilding MassBuilding Elements

Building OrientationWindow-Wall-Ratio - by elevationWindow Shades ndash by elevationWindow Type ndash by elevationWall ConstructionRoof ConstructionInfi ltrationLightingPlug Load Effi ciencyDaylighting and Occupancy ControlsHVAC Types (limited options)Operating Schedule PV Potential

Iteratively Tested through Insight

Defi ned in Revit

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

21

Existing Building ExampleENERGY MODELING - INSIGHT360

Project LocationBuilding UseBuilding OrientationWindow-Wall-Ratio - by elevationWindow Shades ndash by elevation

Defi ned in Revit

Wall ConstructionRoof ConstructionInfi ltrationWindow Type ndash by elevationLightingPlug Load Effi ciencyDaylighting and Occupancy ControlsHVAC Types (limited options)

Iteratively Tested through Insight

Operating Schedule PV Potential

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

22

How to tell if your analytical surfaces are workingENERGY MODELING - INSIGHT360

INTERIOR WALLS ONLY

FLOORS ONLY

ERRORWORKING

EXTERIOR WALLS ONLY

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

23

ENERGY MODELING - INSIGHT360

How to use Insight to drive decisions about your exterior glazing

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

24

Study each variable to determine signifi cance to energy use intensity (EUI)ENERGY MODELING - INSIGHT360

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

25

Understanding relative impact of each variableENERGY MODELING - INSIGHT360

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

26

Understanding relative impact of each variableENERGY MODELING - INSIGHT360

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

27

Window Types defi ned within tiers of precisionENERGY MODELING - INSIGHT360

Tier 3 Schematic Types

Tier 2 Conceptual OptionsTier 1 Slider

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

28

Insight360 vs traditional energy modelENERGY MODELING - INSIGHT360

Inputs fl exible to allow for scalable

precision to evolve throughout your

process

Can be run from recorded

weather data or regional

averages uses DOE-2

engine

BOTH Typical Energy ModelInsight360

Process Meant to be run iteratively

from within your BIM model

Output EUI range

Limitations Cannot parametrically

test building form limited HVAC presets

Essential tools for

evaluating performance of

design

Inputs specifi c numerical value

across many fi elds

Process Limited ability to iterate

must export or create fi le from scratch

duplicates labor

Output Generate a specifi c estimate

rather than a range

Advantages More nuaned HVAC

evaluation

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

29

CONTENTS

I IntroductionA

NA

LYS

IS T

OO

LS

V Integrating the Process

VI Discussion

II Thermal Modeling - THERM

III Energy Modeling - Insight360

IV Life Cycle Assessment - Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

30

LIFE CYCLE ASSESSMENT (LCA)Scientifi c method for measuring the potential cradle to grave or cradle to cradle

environmental footprint of materials products and services over their entire life-

time

IMAGE CREDIT IRISH GREEN BUILDING COUNCIL

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

31

WHY - Cradle to Grave ImpactsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

32

WHY - Impact CategoriesLIFE CYCLE ASSESSMENT (LCA)

bull Global Warming Potential

bull Ozone Depletion Potential

bull Acidifi cation Potential

bull Eutrophication Potential

bull Formation of Tropospheric Ozone (Smog) Potential

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

33

WHY - Cradle to Grave ImpactsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

34

WHY - Impact CategoriesLIFE CYCLE ASSESSMENT (LCA)

WE HAVE 35 YEARS TO GET TO ZERO CARBON

SO WHY ARE WE STILL MEASURING IMPACTS

BASED ON A BUILDINGrsquoS FULL LIFESPAN

-Architecture2030

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

35

LIFE CYCLE ASSESSMENT (LCA)

INPUTS ASSESSMENT OUTPUTS

Material

Attributes amp

Quantity

Materialrsquos GWP

multiplierx

x

x

x

x

x

=

=

=

=

=

=

Materialrsquos ODP

multiplier

Materialrsquos AP

multiplier

Materialrsquos EP

multiplier

Materialrsquos TOP

multiplier

Materialrsquos NRDP

multiplier

Global Warming Potential

in kg CO2e

Ozone Depletion Potential

in kg CFC-11

Acidification Potential

in kg SO2

Eutrophication Potential

in kg nitrogen or kg phosphate

Tropospheric Ozone Potential

in kg NOx or kg O3 eq

Non-renewable Resource

Depletion Potential

in MJ

Project Location

and Service Life

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

36

ImplementationLIFE CYCLE ASSESSMENT (LCA)

Excel Spreadsheet

Environmental Product Declaration

Analysis Software Tools

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

37

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

38

HOW - Window ProductsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

39

DEFINE GLAZING

DEFINE WINDOW FRAME

CHOOSE FROM MATERIAL

DROPDOWN

OPTION TO DEFINE MATERIAL

TAKEOFF METHOD

OPTION TO DEFINE SERVICE

LIFE OF EACH ELEMENT

MATERIAL OPTIONS WITH EPDS

ARE NOTED

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

40

FINALIZE PROJECT SETTINGS

OPTION TO INCLUDE OPERATIONAL ENERGY

OPTION TO INCLUDE CONSTRUCTION IMPACTS

HOW - Window ProductsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

41

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

42

HOW - Structural System SelectionIMPLEMENTATION - LCA SOFTWARE

Compare an equivalent 30rsquo x 30rsquo structural bay constructed of

I Concrete columns beams and slab

II Steel columns beams and joists with concrete on metal deck

III Glulam columns and beams with wood infi ll and a concrete topping slab

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

43

HOW - Structural Systems ComparisonIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

44

HOW - Structural Systems ComparisonIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

45

bull 115000 sf existing building from the 1970s

bull Brick cladding and concrete structural system

bull Comprehensive renovation including new systems and partition walls

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

46

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

47

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

48

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

49

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

50

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

Total embodied Global Warming Potential of renovation = 782118 kgCO2eq

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

51

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

Total embodied Global Warming Potential of renovation = 782118 kgCO2eq

It takes = ~2 years of operation for the improved operational effi ciency to payback the renovation impacts

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

52

OVERVIEW

I IntroductionA

NA

LYS

IS T

OO

LS

V Integrating the Process

VI Discussion

II Thermal Modeling - THERM

III Energy Modeling - Insight360

IV Life Cycle Assessment - Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

53

ANALYTICAL WORKFLOW INTEGRATIONPROPOSAL CONCEPTS SCHEMATIC DESIGN

DEVELOPMENT

CONSTRUCTION

DOCUMENTS

CONSTRUCTION

ADMINISTRATION

OCCUPANCY

THERMAL

ANALYSIS

ENERGY

ANALYSIS

LIFE CYCLE

ANALYSIS

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

54

Integrating tools into the envelope design processANALYTICAL WORKFLOW

BIM Model

Detailed

Energy Model DETERMINE PROJECTED ENERGY CONSUMPTION

Whole building analysis

WUFIDETERMINE HYGROTHERMAL PERFORMANCE OF ENVELOPE

Whole building analysis

ThermDETERMINE PSI VALUES AT ANY POTENTIAL THERMAL BRIDGES

Slab details

Slab details at exterior wall

Exterior wall amp window details

Roof details at exterior wall

Roof details

Insight360 DETERMINE R-VALUE OF EACH COMPONENT

Slab Defi ne assembly

Wall Defi ne opaque wall assembly

Defi ne glazing components

Defi ne window-to-wall ratio

Roof Defi ne assembly

Tally DETERMINE EMBODIED CARBON OF ENVELOPE

Bill of materials Slab assembly

Exterior wall assembly

Glazing components

Roof assembly

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

55

How can tools be integrated differently through the design and construction process

What is the best workfl ow for collaborative design using analytic tools

What tools do you wish were available

Have you engaged in knowledge sharing or education about analytical tools

What tools make the biggest impact on the performance of the fi nal building

What tools best communicate the urgency of high performance low-carbon design to clients

Should certain tools be used exclusively by certain members of the design team

DISCUSSION

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

13

Retrofi t Option A Fill Stud Cavity w Closed Cell Spray FoamCalculated R-Value = 204 hft2FBtu

Simulated R-Value =15 hft2FBtu

THERMAL MODELINGHOW - Evaluating Retrofi t Options

Retrofi t Option B Fill Stud Cavity w Closed Cell Spray Foam + 1rdquo Continuous InteriorCalculated R-Value = 264 hft2FBtu

Simulated R-Value = 25 hft2FBtu

Existing Wall (shown in plan) Calculated Baseline R-Value = 984 hft2FBtuSimulated R-Value = 86 hft2FBtu

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

14

Existing Wall (shown in plan) Simulated R-Value = 86 hft2FBtu

THERMAL MODELINGHOW - Evaluating Retrofi t Options

Proposed Wall Simulated R-Value = 14 hft2FBtu

WUFI Analysis

Existing Brick

3 58rdquo Mineral Wool

Smart Vapor Barrier

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

15

THERMAL MODELINGWHEN - Detailing and Material Selection

Thermally-Broken Brick TieR = 312 hft2FBtu

Standard Brick TieR = 86 hft2FBtu

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

16

THERMAL MODELINGWHEN - Evaluating Shop Drawings and Material Substitutions

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

17

CONTENTS

I IntroductionA

NA

LYS

IS T

OO

LS

V Integrating the Process

VI Discussion

II Thermal Modeling - THERM

III Energy Modeling - Insight360

IV Life Cycle Assessment - Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

18

BUILDING INFORMATION ANALYTICAL MODEL INSIGHT ANALYSIS

HOW - Generating an Energy Model in RevitENERGY MODELING - INSIGHT360

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

19

ldquoScalable Precisionrdquo in Generating the ModelENERGY MODELING - INSIGHT360

BIM Energy Settings

Conceptual Masses

CHOOSE Geometry Mode

+

CHOOSE Material Thermal Properties

Mode

Building Elements Schematic Types

Conceptual Types

Detailed ElementsBothOR OR

OR OR

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

20

New Construction ExampleENERGY MODELING - INSIGHT360

Project LocationBuilding UseBuilding MassBuilding Elements

Building OrientationWindow-Wall-Ratio - by elevationWindow Shades ndash by elevationWindow Type ndash by elevationWall ConstructionRoof ConstructionInfi ltrationLightingPlug Load Effi ciencyDaylighting and Occupancy ControlsHVAC Types (limited options)Operating Schedule PV Potential

Iteratively Tested through Insight

Defi ned in Revit

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

21

Existing Building ExampleENERGY MODELING - INSIGHT360

Project LocationBuilding UseBuilding OrientationWindow-Wall-Ratio - by elevationWindow Shades ndash by elevation

Defi ned in Revit

Wall ConstructionRoof ConstructionInfi ltrationWindow Type ndash by elevationLightingPlug Load Effi ciencyDaylighting and Occupancy ControlsHVAC Types (limited options)

Iteratively Tested through Insight

Operating Schedule PV Potential

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

22

How to tell if your analytical surfaces are workingENERGY MODELING - INSIGHT360

INTERIOR WALLS ONLY

FLOORS ONLY

ERRORWORKING

EXTERIOR WALLS ONLY

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

23

ENERGY MODELING - INSIGHT360

How to use Insight to drive decisions about your exterior glazing

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

24

Study each variable to determine signifi cance to energy use intensity (EUI)ENERGY MODELING - INSIGHT360

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

25

Understanding relative impact of each variableENERGY MODELING - INSIGHT360

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

26

Understanding relative impact of each variableENERGY MODELING - INSIGHT360

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

27

Window Types defi ned within tiers of precisionENERGY MODELING - INSIGHT360

Tier 3 Schematic Types

Tier 2 Conceptual OptionsTier 1 Slider

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

28

Insight360 vs traditional energy modelENERGY MODELING - INSIGHT360

Inputs fl exible to allow for scalable

precision to evolve throughout your

process

Can be run from recorded

weather data or regional

averages uses DOE-2

engine

BOTH Typical Energy ModelInsight360

Process Meant to be run iteratively

from within your BIM model

Output EUI range

Limitations Cannot parametrically

test building form limited HVAC presets

Essential tools for

evaluating performance of

design

Inputs specifi c numerical value

across many fi elds

Process Limited ability to iterate

must export or create fi le from scratch

duplicates labor

Output Generate a specifi c estimate

rather than a range

Advantages More nuaned HVAC

evaluation

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

29

CONTENTS

I IntroductionA

NA

LYS

IS T

OO

LS

V Integrating the Process

VI Discussion

II Thermal Modeling - THERM

III Energy Modeling - Insight360

IV Life Cycle Assessment - Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

30

LIFE CYCLE ASSESSMENT (LCA)Scientifi c method for measuring the potential cradle to grave or cradle to cradle

environmental footprint of materials products and services over their entire life-

time

IMAGE CREDIT IRISH GREEN BUILDING COUNCIL

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

31

WHY - Cradle to Grave ImpactsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

32

WHY - Impact CategoriesLIFE CYCLE ASSESSMENT (LCA)

bull Global Warming Potential

bull Ozone Depletion Potential

bull Acidifi cation Potential

bull Eutrophication Potential

bull Formation of Tropospheric Ozone (Smog) Potential

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

33

WHY - Cradle to Grave ImpactsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

34

WHY - Impact CategoriesLIFE CYCLE ASSESSMENT (LCA)

WE HAVE 35 YEARS TO GET TO ZERO CARBON

SO WHY ARE WE STILL MEASURING IMPACTS

BASED ON A BUILDINGrsquoS FULL LIFESPAN

-Architecture2030

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

35

LIFE CYCLE ASSESSMENT (LCA)

INPUTS ASSESSMENT OUTPUTS

Material

Attributes amp

Quantity

Materialrsquos GWP

multiplierx

x

x

x

x

x

=

=

=

=

=

=

Materialrsquos ODP

multiplier

Materialrsquos AP

multiplier

Materialrsquos EP

multiplier

Materialrsquos TOP

multiplier

Materialrsquos NRDP

multiplier

Global Warming Potential

in kg CO2e

Ozone Depletion Potential

in kg CFC-11

Acidification Potential

in kg SO2

Eutrophication Potential

in kg nitrogen or kg phosphate

Tropospheric Ozone Potential

in kg NOx or kg O3 eq

Non-renewable Resource

Depletion Potential

in MJ

Project Location

and Service Life

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

36

ImplementationLIFE CYCLE ASSESSMENT (LCA)

Excel Spreadsheet

Environmental Product Declaration

Analysis Software Tools

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

37

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

38

HOW - Window ProductsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

39

DEFINE GLAZING

DEFINE WINDOW FRAME

CHOOSE FROM MATERIAL

DROPDOWN

OPTION TO DEFINE MATERIAL

TAKEOFF METHOD

OPTION TO DEFINE SERVICE

LIFE OF EACH ELEMENT

MATERIAL OPTIONS WITH EPDS

ARE NOTED

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

40

FINALIZE PROJECT SETTINGS

OPTION TO INCLUDE OPERATIONAL ENERGY

OPTION TO INCLUDE CONSTRUCTION IMPACTS

HOW - Window ProductsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

41

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

42

HOW - Structural System SelectionIMPLEMENTATION - LCA SOFTWARE

Compare an equivalent 30rsquo x 30rsquo structural bay constructed of

I Concrete columns beams and slab

II Steel columns beams and joists with concrete on metal deck

III Glulam columns and beams with wood infi ll and a concrete topping slab

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

43

HOW - Structural Systems ComparisonIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

44

HOW - Structural Systems ComparisonIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

45

bull 115000 sf existing building from the 1970s

bull Brick cladding and concrete structural system

bull Comprehensive renovation including new systems and partition walls

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

46

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

47

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

48

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

49

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

50

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

Total embodied Global Warming Potential of renovation = 782118 kgCO2eq

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

51

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

Total embodied Global Warming Potential of renovation = 782118 kgCO2eq

It takes = ~2 years of operation for the improved operational effi ciency to payback the renovation impacts

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

52

OVERVIEW

I IntroductionA

NA

LYS

IS T

OO

LS

V Integrating the Process

VI Discussion

II Thermal Modeling - THERM

III Energy Modeling - Insight360

IV Life Cycle Assessment - Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

53

ANALYTICAL WORKFLOW INTEGRATIONPROPOSAL CONCEPTS SCHEMATIC DESIGN

DEVELOPMENT

CONSTRUCTION

DOCUMENTS

CONSTRUCTION

ADMINISTRATION

OCCUPANCY

THERMAL

ANALYSIS

ENERGY

ANALYSIS

LIFE CYCLE

ANALYSIS

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

54

Integrating tools into the envelope design processANALYTICAL WORKFLOW

BIM Model

Detailed

Energy Model DETERMINE PROJECTED ENERGY CONSUMPTION

Whole building analysis

WUFIDETERMINE HYGROTHERMAL PERFORMANCE OF ENVELOPE

Whole building analysis

ThermDETERMINE PSI VALUES AT ANY POTENTIAL THERMAL BRIDGES

Slab details

Slab details at exterior wall

Exterior wall amp window details

Roof details at exterior wall

Roof details

Insight360 DETERMINE R-VALUE OF EACH COMPONENT

Slab Defi ne assembly

Wall Defi ne opaque wall assembly

Defi ne glazing components

Defi ne window-to-wall ratio

Roof Defi ne assembly

Tally DETERMINE EMBODIED CARBON OF ENVELOPE

Bill of materials Slab assembly

Exterior wall assembly

Glazing components

Roof assembly

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

55

How can tools be integrated differently through the design and construction process

What is the best workfl ow for collaborative design using analytic tools

What tools do you wish were available

Have you engaged in knowledge sharing or education about analytical tools

What tools make the biggest impact on the performance of the fi nal building

What tools best communicate the urgency of high performance low-carbon design to clients

Should certain tools be used exclusively by certain members of the design team

DISCUSSION

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

14

Existing Wall (shown in plan) Simulated R-Value = 86 hft2FBtu

THERMAL MODELINGHOW - Evaluating Retrofi t Options

Proposed Wall Simulated R-Value = 14 hft2FBtu

WUFI Analysis

Existing Brick

3 58rdquo Mineral Wool

Smart Vapor Barrier

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

15

THERMAL MODELINGWHEN - Detailing and Material Selection

Thermally-Broken Brick TieR = 312 hft2FBtu

Standard Brick TieR = 86 hft2FBtu

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

16

THERMAL MODELINGWHEN - Evaluating Shop Drawings and Material Substitutions

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

17

CONTENTS

I IntroductionA

NA

LYS

IS T

OO

LS

V Integrating the Process

VI Discussion

II Thermal Modeling - THERM

III Energy Modeling - Insight360

IV Life Cycle Assessment - Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

18

BUILDING INFORMATION ANALYTICAL MODEL INSIGHT ANALYSIS

HOW - Generating an Energy Model in RevitENERGY MODELING - INSIGHT360

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

19

ldquoScalable Precisionrdquo in Generating the ModelENERGY MODELING - INSIGHT360

BIM Energy Settings

Conceptual Masses

CHOOSE Geometry Mode

+

CHOOSE Material Thermal Properties

Mode

Building Elements Schematic Types

Conceptual Types

Detailed ElementsBothOR OR

OR OR

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

20

New Construction ExampleENERGY MODELING - INSIGHT360

Project LocationBuilding UseBuilding MassBuilding Elements

Building OrientationWindow-Wall-Ratio - by elevationWindow Shades ndash by elevationWindow Type ndash by elevationWall ConstructionRoof ConstructionInfi ltrationLightingPlug Load Effi ciencyDaylighting and Occupancy ControlsHVAC Types (limited options)Operating Schedule PV Potential

Iteratively Tested through Insight

Defi ned in Revit

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

21

Existing Building ExampleENERGY MODELING - INSIGHT360

Project LocationBuilding UseBuilding OrientationWindow-Wall-Ratio - by elevationWindow Shades ndash by elevation

Defi ned in Revit

Wall ConstructionRoof ConstructionInfi ltrationWindow Type ndash by elevationLightingPlug Load Effi ciencyDaylighting and Occupancy ControlsHVAC Types (limited options)

Iteratively Tested through Insight

Operating Schedule PV Potential

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

22

How to tell if your analytical surfaces are workingENERGY MODELING - INSIGHT360

INTERIOR WALLS ONLY

FLOORS ONLY

ERRORWORKING

EXTERIOR WALLS ONLY

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

23

ENERGY MODELING - INSIGHT360

How to use Insight to drive decisions about your exterior glazing

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

24

Study each variable to determine signifi cance to energy use intensity (EUI)ENERGY MODELING - INSIGHT360

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

25

Understanding relative impact of each variableENERGY MODELING - INSIGHT360

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

26

Understanding relative impact of each variableENERGY MODELING - INSIGHT360

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

27

Window Types defi ned within tiers of precisionENERGY MODELING - INSIGHT360

Tier 3 Schematic Types

Tier 2 Conceptual OptionsTier 1 Slider

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

28

Insight360 vs traditional energy modelENERGY MODELING - INSIGHT360

Inputs fl exible to allow for scalable

precision to evolve throughout your

process

Can be run from recorded

weather data or regional

averages uses DOE-2

engine

BOTH Typical Energy ModelInsight360

Process Meant to be run iteratively

from within your BIM model

Output EUI range

Limitations Cannot parametrically

test building form limited HVAC presets

Essential tools for

evaluating performance of

design

Inputs specifi c numerical value

across many fi elds

Process Limited ability to iterate

must export or create fi le from scratch

duplicates labor

Output Generate a specifi c estimate

rather than a range

Advantages More nuaned HVAC

evaluation

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

29

CONTENTS

I IntroductionA

NA

LYS

IS T

OO

LS

V Integrating the Process

VI Discussion

II Thermal Modeling - THERM

III Energy Modeling - Insight360

IV Life Cycle Assessment - Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

30

LIFE CYCLE ASSESSMENT (LCA)Scientifi c method for measuring the potential cradle to grave or cradle to cradle

environmental footprint of materials products and services over their entire life-

time

IMAGE CREDIT IRISH GREEN BUILDING COUNCIL

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

31

WHY - Cradle to Grave ImpactsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

32

WHY - Impact CategoriesLIFE CYCLE ASSESSMENT (LCA)

bull Global Warming Potential

bull Ozone Depletion Potential

bull Acidifi cation Potential

bull Eutrophication Potential

bull Formation of Tropospheric Ozone (Smog) Potential

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

33

WHY - Cradle to Grave ImpactsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

34

WHY - Impact CategoriesLIFE CYCLE ASSESSMENT (LCA)

WE HAVE 35 YEARS TO GET TO ZERO CARBON

SO WHY ARE WE STILL MEASURING IMPACTS

BASED ON A BUILDINGrsquoS FULL LIFESPAN

-Architecture2030

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

35

LIFE CYCLE ASSESSMENT (LCA)

INPUTS ASSESSMENT OUTPUTS

Material

Attributes amp

Quantity

Materialrsquos GWP

multiplierx

x

x

x

x

x

=

=

=

=

=

=

Materialrsquos ODP

multiplier

Materialrsquos AP

multiplier

Materialrsquos EP

multiplier

Materialrsquos TOP

multiplier

Materialrsquos NRDP

multiplier

Global Warming Potential

in kg CO2e

Ozone Depletion Potential

in kg CFC-11

Acidification Potential

in kg SO2

Eutrophication Potential

in kg nitrogen or kg phosphate

Tropospheric Ozone Potential

in kg NOx or kg O3 eq

Non-renewable Resource

Depletion Potential

in MJ

Project Location

and Service Life

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

36

ImplementationLIFE CYCLE ASSESSMENT (LCA)

Excel Spreadsheet

Environmental Product Declaration

Analysis Software Tools

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

37

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

38

HOW - Window ProductsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

39

DEFINE GLAZING

DEFINE WINDOW FRAME

CHOOSE FROM MATERIAL

DROPDOWN

OPTION TO DEFINE MATERIAL

TAKEOFF METHOD

OPTION TO DEFINE SERVICE

LIFE OF EACH ELEMENT

MATERIAL OPTIONS WITH EPDS

ARE NOTED

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

40

FINALIZE PROJECT SETTINGS

OPTION TO INCLUDE OPERATIONAL ENERGY

OPTION TO INCLUDE CONSTRUCTION IMPACTS

HOW - Window ProductsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

41

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

42

HOW - Structural System SelectionIMPLEMENTATION - LCA SOFTWARE

Compare an equivalent 30rsquo x 30rsquo structural bay constructed of

I Concrete columns beams and slab

II Steel columns beams and joists with concrete on metal deck

III Glulam columns and beams with wood infi ll and a concrete topping slab

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

43

HOW - Structural Systems ComparisonIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

44

HOW - Structural Systems ComparisonIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

45

bull 115000 sf existing building from the 1970s

bull Brick cladding and concrete structural system

bull Comprehensive renovation including new systems and partition walls

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

46

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

47

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

48

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

49

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

50

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

Total embodied Global Warming Potential of renovation = 782118 kgCO2eq

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

51

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

Total embodied Global Warming Potential of renovation = 782118 kgCO2eq

It takes = ~2 years of operation for the improved operational effi ciency to payback the renovation impacts

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

52

OVERVIEW

I IntroductionA

NA

LYS

IS T

OO

LS

V Integrating the Process

VI Discussion

II Thermal Modeling - THERM

III Energy Modeling - Insight360

IV Life Cycle Assessment - Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

53

ANALYTICAL WORKFLOW INTEGRATIONPROPOSAL CONCEPTS SCHEMATIC DESIGN

DEVELOPMENT

CONSTRUCTION

DOCUMENTS

CONSTRUCTION

ADMINISTRATION

OCCUPANCY

THERMAL

ANALYSIS

ENERGY

ANALYSIS

LIFE CYCLE

ANALYSIS

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

54

Integrating tools into the envelope design processANALYTICAL WORKFLOW

BIM Model

Detailed

Energy Model DETERMINE PROJECTED ENERGY CONSUMPTION

Whole building analysis

WUFIDETERMINE HYGROTHERMAL PERFORMANCE OF ENVELOPE

Whole building analysis

ThermDETERMINE PSI VALUES AT ANY POTENTIAL THERMAL BRIDGES

Slab details

Slab details at exterior wall

Exterior wall amp window details

Roof details at exterior wall

Roof details

Insight360 DETERMINE R-VALUE OF EACH COMPONENT

Slab Defi ne assembly

Wall Defi ne opaque wall assembly

Defi ne glazing components

Defi ne window-to-wall ratio

Roof Defi ne assembly

Tally DETERMINE EMBODIED CARBON OF ENVELOPE

Bill of materials Slab assembly

Exterior wall assembly

Glazing components

Roof assembly

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

55

How can tools be integrated differently through the design and construction process

What is the best workfl ow for collaborative design using analytic tools

What tools do you wish were available

Have you engaged in knowledge sharing or education about analytical tools

What tools make the biggest impact on the performance of the fi nal building

What tools best communicate the urgency of high performance low-carbon design to clients

Should certain tools be used exclusively by certain members of the design team

DISCUSSION

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

15

THERMAL MODELINGWHEN - Detailing and Material Selection

Thermally-Broken Brick TieR = 312 hft2FBtu

Standard Brick TieR = 86 hft2FBtu

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

16

THERMAL MODELINGWHEN - Evaluating Shop Drawings and Material Substitutions

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

17

CONTENTS

I IntroductionA

NA

LYS

IS T

OO

LS

V Integrating the Process

VI Discussion

II Thermal Modeling - THERM

III Energy Modeling - Insight360

IV Life Cycle Assessment - Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

18

BUILDING INFORMATION ANALYTICAL MODEL INSIGHT ANALYSIS

HOW - Generating an Energy Model in RevitENERGY MODELING - INSIGHT360

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

19

ldquoScalable Precisionrdquo in Generating the ModelENERGY MODELING - INSIGHT360

BIM Energy Settings

Conceptual Masses

CHOOSE Geometry Mode

+

CHOOSE Material Thermal Properties

Mode

Building Elements Schematic Types

Conceptual Types

Detailed ElementsBothOR OR

OR OR

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

20

New Construction ExampleENERGY MODELING - INSIGHT360

Project LocationBuilding UseBuilding MassBuilding Elements

Building OrientationWindow-Wall-Ratio - by elevationWindow Shades ndash by elevationWindow Type ndash by elevationWall ConstructionRoof ConstructionInfi ltrationLightingPlug Load Effi ciencyDaylighting and Occupancy ControlsHVAC Types (limited options)Operating Schedule PV Potential

Iteratively Tested through Insight

Defi ned in Revit

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

21

Existing Building ExampleENERGY MODELING - INSIGHT360

Project LocationBuilding UseBuilding OrientationWindow-Wall-Ratio - by elevationWindow Shades ndash by elevation

Defi ned in Revit

Wall ConstructionRoof ConstructionInfi ltrationWindow Type ndash by elevationLightingPlug Load Effi ciencyDaylighting and Occupancy ControlsHVAC Types (limited options)

Iteratively Tested through Insight

Operating Schedule PV Potential

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

22

How to tell if your analytical surfaces are workingENERGY MODELING - INSIGHT360

INTERIOR WALLS ONLY

FLOORS ONLY

ERRORWORKING

EXTERIOR WALLS ONLY

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

23

ENERGY MODELING - INSIGHT360

How to use Insight to drive decisions about your exterior glazing

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

24

Study each variable to determine signifi cance to energy use intensity (EUI)ENERGY MODELING - INSIGHT360

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

25

Understanding relative impact of each variableENERGY MODELING - INSIGHT360

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

26

Understanding relative impact of each variableENERGY MODELING - INSIGHT360

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

27

Window Types defi ned within tiers of precisionENERGY MODELING - INSIGHT360

Tier 3 Schematic Types

Tier 2 Conceptual OptionsTier 1 Slider

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

28

Insight360 vs traditional energy modelENERGY MODELING - INSIGHT360

Inputs fl exible to allow for scalable

precision to evolve throughout your

process

Can be run from recorded

weather data or regional

averages uses DOE-2

engine

BOTH Typical Energy ModelInsight360

Process Meant to be run iteratively

from within your BIM model

Output EUI range

Limitations Cannot parametrically

test building form limited HVAC presets

Essential tools for

evaluating performance of

design

Inputs specifi c numerical value

across many fi elds

Process Limited ability to iterate

must export or create fi le from scratch

duplicates labor

Output Generate a specifi c estimate

rather than a range

Advantages More nuaned HVAC

evaluation

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

29

CONTENTS

I IntroductionA

NA

LYS

IS T

OO

LS

V Integrating the Process

VI Discussion

II Thermal Modeling - THERM

III Energy Modeling - Insight360

IV Life Cycle Assessment - Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

30

LIFE CYCLE ASSESSMENT (LCA)Scientifi c method for measuring the potential cradle to grave or cradle to cradle

environmental footprint of materials products and services over their entire life-

time

IMAGE CREDIT IRISH GREEN BUILDING COUNCIL

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

31

WHY - Cradle to Grave ImpactsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

32

WHY - Impact CategoriesLIFE CYCLE ASSESSMENT (LCA)

bull Global Warming Potential

bull Ozone Depletion Potential

bull Acidifi cation Potential

bull Eutrophication Potential

bull Formation of Tropospheric Ozone (Smog) Potential

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

33

WHY - Cradle to Grave ImpactsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

34

WHY - Impact CategoriesLIFE CYCLE ASSESSMENT (LCA)

WE HAVE 35 YEARS TO GET TO ZERO CARBON

SO WHY ARE WE STILL MEASURING IMPACTS

BASED ON A BUILDINGrsquoS FULL LIFESPAN

-Architecture2030

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

35

LIFE CYCLE ASSESSMENT (LCA)

INPUTS ASSESSMENT OUTPUTS

Material

Attributes amp

Quantity

Materialrsquos GWP

multiplierx

x

x

x

x

x

=

=

=

=

=

=

Materialrsquos ODP

multiplier

Materialrsquos AP

multiplier

Materialrsquos EP

multiplier

Materialrsquos TOP

multiplier

Materialrsquos NRDP

multiplier

Global Warming Potential

in kg CO2e

Ozone Depletion Potential

in kg CFC-11

Acidification Potential

in kg SO2

Eutrophication Potential

in kg nitrogen or kg phosphate

Tropospheric Ozone Potential

in kg NOx or kg O3 eq

Non-renewable Resource

Depletion Potential

in MJ

Project Location

and Service Life

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

36

ImplementationLIFE CYCLE ASSESSMENT (LCA)

Excel Spreadsheet

Environmental Product Declaration

Analysis Software Tools

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

37

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

38

HOW - Window ProductsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

39

DEFINE GLAZING

DEFINE WINDOW FRAME

CHOOSE FROM MATERIAL

DROPDOWN

OPTION TO DEFINE MATERIAL

TAKEOFF METHOD

OPTION TO DEFINE SERVICE

LIFE OF EACH ELEMENT

MATERIAL OPTIONS WITH EPDS

ARE NOTED

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

40

FINALIZE PROJECT SETTINGS

OPTION TO INCLUDE OPERATIONAL ENERGY

OPTION TO INCLUDE CONSTRUCTION IMPACTS

HOW - Window ProductsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

41

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

42

HOW - Structural System SelectionIMPLEMENTATION - LCA SOFTWARE

Compare an equivalent 30rsquo x 30rsquo structural bay constructed of

I Concrete columns beams and slab

II Steel columns beams and joists with concrete on metal deck

III Glulam columns and beams with wood infi ll and a concrete topping slab

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

43

HOW - Structural Systems ComparisonIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

44

HOW - Structural Systems ComparisonIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

45

bull 115000 sf existing building from the 1970s

bull Brick cladding and concrete structural system

bull Comprehensive renovation including new systems and partition walls

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

46

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

47

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

48

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

49

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

50

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

Total embodied Global Warming Potential of renovation = 782118 kgCO2eq

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

51

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

Total embodied Global Warming Potential of renovation = 782118 kgCO2eq

It takes = ~2 years of operation for the improved operational effi ciency to payback the renovation impacts

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

52

OVERVIEW

I IntroductionA

NA

LYS

IS T

OO

LS

V Integrating the Process

VI Discussion

II Thermal Modeling - THERM

III Energy Modeling - Insight360

IV Life Cycle Assessment - Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

53

ANALYTICAL WORKFLOW INTEGRATIONPROPOSAL CONCEPTS SCHEMATIC DESIGN

DEVELOPMENT

CONSTRUCTION

DOCUMENTS

CONSTRUCTION

ADMINISTRATION

OCCUPANCY

THERMAL

ANALYSIS

ENERGY

ANALYSIS

LIFE CYCLE

ANALYSIS

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

54

Integrating tools into the envelope design processANALYTICAL WORKFLOW

BIM Model

Detailed

Energy Model DETERMINE PROJECTED ENERGY CONSUMPTION

Whole building analysis

WUFIDETERMINE HYGROTHERMAL PERFORMANCE OF ENVELOPE

Whole building analysis

ThermDETERMINE PSI VALUES AT ANY POTENTIAL THERMAL BRIDGES

Slab details

Slab details at exterior wall

Exterior wall amp window details

Roof details at exterior wall

Roof details

Insight360 DETERMINE R-VALUE OF EACH COMPONENT

Slab Defi ne assembly

Wall Defi ne opaque wall assembly

Defi ne glazing components

Defi ne window-to-wall ratio

Roof Defi ne assembly

Tally DETERMINE EMBODIED CARBON OF ENVELOPE

Bill of materials Slab assembly

Exterior wall assembly

Glazing components

Roof assembly

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

55

How can tools be integrated differently through the design and construction process

What is the best workfl ow for collaborative design using analytic tools

What tools do you wish were available

Have you engaged in knowledge sharing or education about analytical tools

What tools make the biggest impact on the performance of the fi nal building

What tools best communicate the urgency of high performance low-carbon design to clients

Should certain tools be used exclusively by certain members of the design team

DISCUSSION

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

16

THERMAL MODELINGWHEN - Evaluating Shop Drawings and Material Substitutions

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

17

CONTENTS

I IntroductionA

NA

LYS

IS T

OO

LS

V Integrating the Process

VI Discussion

II Thermal Modeling - THERM

III Energy Modeling - Insight360

IV Life Cycle Assessment - Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

18

BUILDING INFORMATION ANALYTICAL MODEL INSIGHT ANALYSIS

HOW - Generating an Energy Model in RevitENERGY MODELING - INSIGHT360

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

19

ldquoScalable Precisionrdquo in Generating the ModelENERGY MODELING - INSIGHT360

BIM Energy Settings

Conceptual Masses

CHOOSE Geometry Mode

+

CHOOSE Material Thermal Properties

Mode

Building Elements Schematic Types

Conceptual Types

Detailed ElementsBothOR OR

OR OR

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

20

New Construction ExampleENERGY MODELING - INSIGHT360

Project LocationBuilding UseBuilding MassBuilding Elements

Building OrientationWindow-Wall-Ratio - by elevationWindow Shades ndash by elevationWindow Type ndash by elevationWall ConstructionRoof ConstructionInfi ltrationLightingPlug Load Effi ciencyDaylighting and Occupancy ControlsHVAC Types (limited options)Operating Schedule PV Potential

Iteratively Tested through Insight

Defi ned in Revit

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

21

Existing Building ExampleENERGY MODELING - INSIGHT360

Project LocationBuilding UseBuilding OrientationWindow-Wall-Ratio - by elevationWindow Shades ndash by elevation

Defi ned in Revit

Wall ConstructionRoof ConstructionInfi ltrationWindow Type ndash by elevationLightingPlug Load Effi ciencyDaylighting and Occupancy ControlsHVAC Types (limited options)

Iteratively Tested through Insight

Operating Schedule PV Potential

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

22

How to tell if your analytical surfaces are workingENERGY MODELING - INSIGHT360

INTERIOR WALLS ONLY

FLOORS ONLY

ERRORWORKING

EXTERIOR WALLS ONLY

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

23

ENERGY MODELING - INSIGHT360

How to use Insight to drive decisions about your exterior glazing

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

24

Study each variable to determine signifi cance to energy use intensity (EUI)ENERGY MODELING - INSIGHT360

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

25

Understanding relative impact of each variableENERGY MODELING - INSIGHT360

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

26

Understanding relative impact of each variableENERGY MODELING - INSIGHT360

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

27

Window Types defi ned within tiers of precisionENERGY MODELING - INSIGHT360

Tier 3 Schematic Types

Tier 2 Conceptual OptionsTier 1 Slider

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

28

Insight360 vs traditional energy modelENERGY MODELING - INSIGHT360

Inputs fl exible to allow for scalable

precision to evolve throughout your

process

Can be run from recorded

weather data or regional

averages uses DOE-2

engine

BOTH Typical Energy ModelInsight360

Process Meant to be run iteratively

from within your BIM model

Output EUI range

Limitations Cannot parametrically

test building form limited HVAC presets

Essential tools for

evaluating performance of

design

Inputs specifi c numerical value

across many fi elds

Process Limited ability to iterate

must export or create fi le from scratch

duplicates labor

Output Generate a specifi c estimate

rather than a range

Advantages More nuaned HVAC

evaluation

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

29

CONTENTS

I IntroductionA

NA

LYS

IS T

OO

LS

V Integrating the Process

VI Discussion

II Thermal Modeling - THERM

III Energy Modeling - Insight360

IV Life Cycle Assessment - Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

30

LIFE CYCLE ASSESSMENT (LCA)Scientifi c method for measuring the potential cradle to grave or cradle to cradle

environmental footprint of materials products and services over their entire life-

time

IMAGE CREDIT IRISH GREEN BUILDING COUNCIL

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

31

WHY - Cradle to Grave ImpactsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

32

WHY - Impact CategoriesLIFE CYCLE ASSESSMENT (LCA)

bull Global Warming Potential

bull Ozone Depletion Potential

bull Acidifi cation Potential

bull Eutrophication Potential

bull Formation of Tropospheric Ozone (Smog) Potential

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

33

WHY - Cradle to Grave ImpactsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

34

WHY - Impact CategoriesLIFE CYCLE ASSESSMENT (LCA)

WE HAVE 35 YEARS TO GET TO ZERO CARBON

SO WHY ARE WE STILL MEASURING IMPACTS

BASED ON A BUILDINGrsquoS FULL LIFESPAN

-Architecture2030

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

35

LIFE CYCLE ASSESSMENT (LCA)

INPUTS ASSESSMENT OUTPUTS

Material

Attributes amp

Quantity

Materialrsquos GWP

multiplierx

x

x

x

x

x

=

=

=

=

=

=

Materialrsquos ODP

multiplier

Materialrsquos AP

multiplier

Materialrsquos EP

multiplier

Materialrsquos TOP

multiplier

Materialrsquos NRDP

multiplier

Global Warming Potential

in kg CO2e

Ozone Depletion Potential

in kg CFC-11

Acidification Potential

in kg SO2

Eutrophication Potential

in kg nitrogen or kg phosphate

Tropospheric Ozone Potential

in kg NOx or kg O3 eq

Non-renewable Resource

Depletion Potential

in MJ

Project Location

and Service Life

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

36

ImplementationLIFE CYCLE ASSESSMENT (LCA)

Excel Spreadsheet

Environmental Product Declaration

Analysis Software Tools

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

37

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

38

HOW - Window ProductsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

39

DEFINE GLAZING

DEFINE WINDOW FRAME

CHOOSE FROM MATERIAL

DROPDOWN

OPTION TO DEFINE MATERIAL

TAKEOFF METHOD

OPTION TO DEFINE SERVICE

LIFE OF EACH ELEMENT

MATERIAL OPTIONS WITH EPDS

ARE NOTED

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

40

FINALIZE PROJECT SETTINGS

OPTION TO INCLUDE OPERATIONAL ENERGY

OPTION TO INCLUDE CONSTRUCTION IMPACTS

HOW - Window ProductsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

41

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

42

HOW - Structural System SelectionIMPLEMENTATION - LCA SOFTWARE

Compare an equivalent 30rsquo x 30rsquo structural bay constructed of

I Concrete columns beams and slab

II Steel columns beams and joists with concrete on metal deck

III Glulam columns and beams with wood infi ll and a concrete topping slab

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

43

HOW - Structural Systems ComparisonIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

44

HOW - Structural Systems ComparisonIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

45

bull 115000 sf existing building from the 1970s

bull Brick cladding and concrete structural system

bull Comprehensive renovation including new systems and partition walls

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

46

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

47

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

48

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

49

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

50

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

Total embodied Global Warming Potential of renovation = 782118 kgCO2eq

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

51

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

Total embodied Global Warming Potential of renovation = 782118 kgCO2eq

It takes = ~2 years of operation for the improved operational effi ciency to payback the renovation impacts

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

52

OVERVIEW

I IntroductionA

NA

LYS

IS T

OO

LS

V Integrating the Process

VI Discussion

II Thermal Modeling - THERM

III Energy Modeling - Insight360

IV Life Cycle Assessment - Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

53

ANALYTICAL WORKFLOW INTEGRATIONPROPOSAL CONCEPTS SCHEMATIC DESIGN

DEVELOPMENT

CONSTRUCTION

DOCUMENTS

CONSTRUCTION

ADMINISTRATION

OCCUPANCY

THERMAL

ANALYSIS

ENERGY

ANALYSIS

LIFE CYCLE

ANALYSIS

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

54

Integrating tools into the envelope design processANALYTICAL WORKFLOW

BIM Model

Detailed

Energy Model DETERMINE PROJECTED ENERGY CONSUMPTION

Whole building analysis

WUFIDETERMINE HYGROTHERMAL PERFORMANCE OF ENVELOPE

Whole building analysis

ThermDETERMINE PSI VALUES AT ANY POTENTIAL THERMAL BRIDGES

Slab details

Slab details at exterior wall

Exterior wall amp window details

Roof details at exterior wall

Roof details

Insight360 DETERMINE R-VALUE OF EACH COMPONENT

Slab Defi ne assembly

Wall Defi ne opaque wall assembly

Defi ne glazing components

Defi ne window-to-wall ratio

Roof Defi ne assembly

Tally DETERMINE EMBODIED CARBON OF ENVELOPE

Bill of materials Slab assembly

Exterior wall assembly

Glazing components

Roof assembly

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

55

How can tools be integrated differently through the design and construction process

What is the best workfl ow for collaborative design using analytic tools

What tools do you wish were available

Have you engaged in knowledge sharing or education about analytical tools

What tools make the biggest impact on the performance of the fi nal building

What tools best communicate the urgency of high performance low-carbon design to clients

Should certain tools be used exclusively by certain members of the design team

DISCUSSION

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

17

CONTENTS

I IntroductionA

NA

LYS

IS T

OO

LS

V Integrating the Process

VI Discussion

II Thermal Modeling - THERM

III Energy Modeling - Insight360

IV Life Cycle Assessment - Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

18

BUILDING INFORMATION ANALYTICAL MODEL INSIGHT ANALYSIS

HOW - Generating an Energy Model in RevitENERGY MODELING - INSIGHT360

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

19

ldquoScalable Precisionrdquo in Generating the ModelENERGY MODELING - INSIGHT360

BIM Energy Settings

Conceptual Masses

CHOOSE Geometry Mode

+

CHOOSE Material Thermal Properties

Mode

Building Elements Schematic Types

Conceptual Types

Detailed ElementsBothOR OR

OR OR

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

20

New Construction ExampleENERGY MODELING - INSIGHT360

Project LocationBuilding UseBuilding MassBuilding Elements

Building OrientationWindow-Wall-Ratio - by elevationWindow Shades ndash by elevationWindow Type ndash by elevationWall ConstructionRoof ConstructionInfi ltrationLightingPlug Load Effi ciencyDaylighting and Occupancy ControlsHVAC Types (limited options)Operating Schedule PV Potential

Iteratively Tested through Insight

Defi ned in Revit

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

21

Existing Building ExampleENERGY MODELING - INSIGHT360

Project LocationBuilding UseBuilding OrientationWindow-Wall-Ratio - by elevationWindow Shades ndash by elevation

Defi ned in Revit

Wall ConstructionRoof ConstructionInfi ltrationWindow Type ndash by elevationLightingPlug Load Effi ciencyDaylighting and Occupancy ControlsHVAC Types (limited options)

Iteratively Tested through Insight

Operating Schedule PV Potential

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

22

How to tell if your analytical surfaces are workingENERGY MODELING - INSIGHT360

INTERIOR WALLS ONLY

FLOORS ONLY

ERRORWORKING

EXTERIOR WALLS ONLY

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

23

ENERGY MODELING - INSIGHT360

How to use Insight to drive decisions about your exterior glazing

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

24

Study each variable to determine signifi cance to energy use intensity (EUI)ENERGY MODELING - INSIGHT360

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

25

Understanding relative impact of each variableENERGY MODELING - INSIGHT360

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

26

Understanding relative impact of each variableENERGY MODELING - INSIGHT360

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

27

Window Types defi ned within tiers of precisionENERGY MODELING - INSIGHT360

Tier 3 Schematic Types

Tier 2 Conceptual OptionsTier 1 Slider

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

28

Insight360 vs traditional energy modelENERGY MODELING - INSIGHT360

Inputs fl exible to allow for scalable

precision to evolve throughout your

process

Can be run from recorded

weather data or regional

averages uses DOE-2

engine

BOTH Typical Energy ModelInsight360

Process Meant to be run iteratively

from within your BIM model

Output EUI range

Limitations Cannot parametrically

test building form limited HVAC presets

Essential tools for

evaluating performance of

design

Inputs specifi c numerical value

across many fi elds

Process Limited ability to iterate

must export or create fi le from scratch

duplicates labor

Output Generate a specifi c estimate

rather than a range

Advantages More nuaned HVAC

evaluation

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

29

CONTENTS

I IntroductionA

NA

LYS

IS T

OO

LS

V Integrating the Process

VI Discussion

II Thermal Modeling - THERM

III Energy Modeling - Insight360

IV Life Cycle Assessment - Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

30

LIFE CYCLE ASSESSMENT (LCA)Scientifi c method for measuring the potential cradle to grave or cradle to cradle

environmental footprint of materials products and services over their entire life-

time

IMAGE CREDIT IRISH GREEN BUILDING COUNCIL

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

31

WHY - Cradle to Grave ImpactsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

32

WHY - Impact CategoriesLIFE CYCLE ASSESSMENT (LCA)

bull Global Warming Potential

bull Ozone Depletion Potential

bull Acidifi cation Potential

bull Eutrophication Potential

bull Formation of Tropospheric Ozone (Smog) Potential

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

33

WHY - Cradle to Grave ImpactsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

34

WHY - Impact CategoriesLIFE CYCLE ASSESSMENT (LCA)

WE HAVE 35 YEARS TO GET TO ZERO CARBON

SO WHY ARE WE STILL MEASURING IMPACTS

BASED ON A BUILDINGrsquoS FULL LIFESPAN

-Architecture2030

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

35

LIFE CYCLE ASSESSMENT (LCA)

INPUTS ASSESSMENT OUTPUTS

Material

Attributes amp

Quantity

Materialrsquos GWP

multiplierx

x

x

x

x

x

=

=

=

=

=

=

Materialrsquos ODP

multiplier

Materialrsquos AP

multiplier

Materialrsquos EP

multiplier

Materialrsquos TOP

multiplier

Materialrsquos NRDP

multiplier

Global Warming Potential

in kg CO2e

Ozone Depletion Potential

in kg CFC-11

Acidification Potential

in kg SO2

Eutrophication Potential

in kg nitrogen or kg phosphate

Tropospheric Ozone Potential

in kg NOx or kg O3 eq

Non-renewable Resource

Depletion Potential

in MJ

Project Location

and Service Life

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

36

ImplementationLIFE CYCLE ASSESSMENT (LCA)

Excel Spreadsheet

Environmental Product Declaration

Analysis Software Tools

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

37

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

38

HOW - Window ProductsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

39

DEFINE GLAZING

DEFINE WINDOW FRAME

CHOOSE FROM MATERIAL

DROPDOWN

OPTION TO DEFINE MATERIAL

TAKEOFF METHOD

OPTION TO DEFINE SERVICE

LIFE OF EACH ELEMENT

MATERIAL OPTIONS WITH EPDS

ARE NOTED

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

40

FINALIZE PROJECT SETTINGS

OPTION TO INCLUDE OPERATIONAL ENERGY

OPTION TO INCLUDE CONSTRUCTION IMPACTS

HOW - Window ProductsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

41

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

42

HOW - Structural System SelectionIMPLEMENTATION - LCA SOFTWARE

Compare an equivalent 30rsquo x 30rsquo structural bay constructed of

I Concrete columns beams and slab

II Steel columns beams and joists with concrete on metal deck

III Glulam columns and beams with wood infi ll and a concrete topping slab

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

43

HOW - Structural Systems ComparisonIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

44

HOW - Structural Systems ComparisonIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

45

bull 115000 sf existing building from the 1970s

bull Brick cladding and concrete structural system

bull Comprehensive renovation including new systems and partition walls

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

46

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

47

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

48

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

49

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

50

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

Total embodied Global Warming Potential of renovation = 782118 kgCO2eq

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

51

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

Total embodied Global Warming Potential of renovation = 782118 kgCO2eq

It takes = ~2 years of operation for the improved operational effi ciency to payback the renovation impacts

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

52

OVERVIEW

I IntroductionA

NA

LYS

IS T

OO

LS

V Integrating the Process

VI Discussion

II Thermal Modeling - THERM

III Energy Modeling - Insight360

IV Life Cycle Assessment - Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

53

ANALYTICAL WORKFLOW INTEGRATIONPROPOSAL CONCEPTS SCHEMATIC DESIGN

DEVELOPMENT

CONSTRUCTION

DOCUMENTS

CONSTRUCTION

ADMINISTRATION

OCCUPANCY

THERMAL

ANALYSIS

ENERGY

ANALYSIS

LIFE CYCLE

ANALYSIS

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

54

Integrating tools into the envelope design processANALYTICAL WORKFLOW

BIM Model

Detailed

Energy Model DETERMINE PROJECTED ENERGY CONSUMPTION

Whole building analysis

WUFIDETERMINE HYGROTHERMAL PERFORMANCE OF ENVELOPE

Whole building analysis

ThermDETERMINE PSI VALUES AT ANY POTENTIAL THERMAL BRIDGES

Slab details

Slab details at exterior wall

Exterior wall amp window details

Roof details at exterior wall

Roof details

Insight360 DETERMINE R-VALUE OF EACH COMPONENT

Slab Defi ne assembly

Wall Defi ne opaque wall assembly

Defi ne glazing components

Defi ne window-to-wall ratio

Roof Defi ne assembly

Tally DETERMINE EMBODIED CARBON OF ENVELOPE

Bill of materials Slab assembly

Exterior wall assembly

Glazing components

Roof assembly

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

55

How can tools be integrated differently through the design and construction process

What is the best workfl ow for collaborative design using analytic tools

What tools do you wish were available

Have you engaged in knowledge sharing or education about analytical tools

What tools make the biggest impact on the performance of the fi nal building

What tools best communicate the urgency of high performance low-carbon design to clients

Should certain tools be used exclusively by certain members of the design team

DISCUSSION

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

18

BUILDING INFORMATION ANALYTICAL MODEL INSIGHT ANALYSIS

HOW - Generating an Energy Model in RevitENERGY MODELING - INSIGHT360

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

19

ldquoScalable Precisionrdquo in Generating the ModelENERGY MODELING - INSIGHT360

BIM Energy Settings

Conceptual Masses

CHOOSE Geometry Mode

+

CHOOSE Material Thermal Properties

Mode

Building Elements Schematic Types

Conceptual Types

Detailed ElementsBothOR OR

OR OR

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

20

New Construction ExampleENERGY MODELING - INSIGHT360

Project LocationBuilding UseBuilding MassBuilding Elements

Building OrientationWindow-Wall-Ratio - by elevationWindow Shades ndash by elevationWindow Type ndash by elevationWall ConstructionRoof ConstructionInfi ltrationLightingPlug Load Effi ciencyDaylighting and Occupancy ControlsHVAC Types (limited options)Operating Schedule PV Potential

Iteratively Tested through Insight

Defi ned in Revit

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

21

Existing Building ExampleENERGY MODELING - INSIGHT360

Project LocationBuilding UseBuilding OrientationWindow-Wall-Ratio - by elevationWindow Shades ndash by elevation

Defi ned in Revit

Wall ConstructionRoof ConstructionInfi ltrationWindow Type ndash by elevationLightingPlug Load Effi ciencyDaylighting and Occupancy ControlsHVAC Types (limited options)

Iteratively Tested through Insight

Operating Schedule PV Potential

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

22

How to tell if your analytical surfaces are workingENERGY MODELING - INSIGHT360

INTERIOR WALLS ONLY

FLOORS ONLY

ERRORWORKING

EXTERIOR WALLS ONLY

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

23

ENERGY MODELING - INSIGHT360

How to use Insight to drive decisions about your exterior glazing

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

24

Study each variable to determine signifi cance to energy use intensity (EUI)ENERGY MODELING - INSIGHT360

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

25

Understanding relative impact of each variableENERGY MODELING - INSIGHT360

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

26

Understanding relative impact of each variableENERGY MODELING - INSIGHT360

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

27

Window Types defi ned within tiers of precisionENERGY MODELING - INSIGHT360

Tier 3 Schematic Types

Tier 2 Conceptual OptionsTier 1 Slider

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

28

Insight360 vs traditional energy modelENERGY MODELING - INSIGHT360

Inputs fl exible to allow for scalable

precision to evolve throughout your

process

Can be run from recorded

weather data or regional

averages uses DOE-2

engine

BOTH Typical Energy ModelInsight360

Process Meant to be run iteratively

from within your BIM model

Output EUI range

Limitations Cannot parametrically

test building form limited HVAC presets

Essential tools for

evaluating performance of

design

Inputs specifi c numerical value

across many fi elds

Process Limited ability to iterate

must export or create fi le from scratch

duplicates labor

Output Generate a specifi c estimate

rather than a range

Advantages More nuaned HVAC

evaluation

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

29

CONTENTS

I IntroductionA

NA

LYS

IS T

OO

LS

V Integrating the Process

VI Discussion

II Thermal Modeling - THERM

III Energy Modeling - Insight360

IV Life Cycle Assessment - Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

30

LIFE CYCLE ASSESSMENT (LCA)Scientifi c method for measuring the potential cradle to grave or cradle to cradle

environmental footprint of materials products and services over their entire life-

time

IMAGE CREDIT IRISH GREEN BUILDING COUNCIL

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

31

WHY - Cradle to Grave ImpactsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

32

WHY - Impact CategoriesLIFE CYCLE ASSESSMENT (LCA)

bull Global Warming Potential

bull Ozone Depletion Potential

bull Acidifi cation Potential

bull Eutrophication Potential

bull Formation of Tropospheric Ozone (Smog) Potential

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

33

WHY - Cradle to Grave ImpactsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

34

WHY - Impact CategoriesLIFE CYCLE ASSESSMENT (LCA)

WE HAVE 35 YEARS TO GET TO ZERO CARBON

SO WHY ARE WE STILL MEASURING IMPACTS

BASED ON A BUILDINGrsquoS FULL LIFESPAN

-Architecture2030

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

35

LIFE CYCLE ASSESSMENT (LCA)

INPUTS ASSESSMENT OUTPUTS

Material

Attributes amp

Quantity

Materialrsquos GWP

multiplierx

x

x

x

x

x

=

=

=

=

=

=

Materialrsquos ODP

multiplier

Materialrsquos AP

multiplier

Materialrsquos EP

multiplier

Materialrsquos TOP

multiplier

Materialrsquos NRDP

multiplier

Global Warming Potential

in kg CO2e

Ozone Depletion Potential

in kg CFC-11

Acidification Potential

in kg SO2

Eutrophication Potential

in kg nitrogen or kg phosphate

Tropospheric Ozone Potential

in kg NOx or kg O3 eq

Non-renewable Resource

Depletion Potential

in MJ

Project Location

and Service Life

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

36

ImplementationLIFE CYCLE ASSESSMENT (LCA)

Excel Spreadsheet

Environmental Product Declaration

Analysis Software Tools

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

37

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

38

HOW - Window ProductsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

39

DEFINE GLAZING

DEFINE WINDOW FRAME

CHOOSE FROM MATERIAL

DROPDOWN

OPTION TO DEFINE MATERIAL

TAKEOFF METHOD

OPTION TO DEFINE SERVICE

LIFE OF EACH ELEMENT

MATERIAL OPTIONS WITH EPDS

ARE NOTED

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

40

FINALIZE PROJECT SETTINGS

OPTION TO INCLUDE OPERATIONAL ENERGY

OPTION TO INCLUDE CONSTRUCTION IMPACTS

HOW - Window ProductsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

41

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

42

HOW - Structural System SelectionIMPLEMENTATION - LCA SOFTWARE

Compare an equivalent 30rsquo x 30rsquo structural bay constructed of

I Concrete columns beams and slab

II Steel columns beams and joists with concrete on metal deck

III Glulam columns and beams with wood infi ll and a concrete topping slab

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

43

HOW - Structural Systems ComparisonIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

44

HOW - Structural Systems ComparisonIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

45

bull 115000 sf existing building from the 1970s

bull Brick cladding and concrete structural system

bull Comprehensive renovation including new systems and partition walls

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

46

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

47

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

48

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

49

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

50

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

Total embodied Global Warming Potential of renovation = 782118 kgCO2eq

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

51

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

Total embodied Global Warming Potential of renovation = 782118 kgCO2eq

It takes = ~2 years of operation for the improved operational effi ciency to payback the renovation impacts

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

52

OVERVIEW

I IntroductionA

NA

LYS

IS T

OO

LS

V Integrating the Process

VI Discussion

II Thermal Modeling - THERM

III Energy Modeling - Insight360

IV Life Cycle Assessment - Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

53

ANALYTICAL WORKFLOW INTEGRATIONPROPOSAL CONCEPTS SCHEMATIC DESIGN

DEVELOPMENT

CONSTRUCTION

DOCUMENTS

CONSTRUCTION

ADMINISTRATION

OCCUPANCY

THERMAL

ANALYSIS

ENERGY

ANALYSIS

LIFE CYCLE

ANALYSIS

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

54

Integrating tools into the envelope design processANALYTICAL WORKFLOW

BIM Model

Detailed

Energy Model DETERMINE PROJECTED ENERGY CONSUMPTION

Whole building analysis

WUFIDETERMINE HYGROTHERMAL PERFORMANCE OF ENVELOPE

Whole building analysis

ThermDETERMINE PSI VALUES AT ANY POTENTIAL THERMAL BRIDGES

Slab details

Slab details at exterior wall

Exterior wall amp window details

Roof details at exterior wall

Roof details

Insight360 DETERMINE R-VALUE OF EACH COMPONENT

Slab Defi ne assembly

Wall Defi ne opaque wall assembly

Defi ne glazing components

Defi ne window-to-wall ratio

Roof Defi ne assembly

Tally DETERMINE EMBODIED CARBON OF ENVELOPE

Bill of materials Slab assembly

Exterior wall assembly

Glazing components

Roof assembly

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

55

How can tools be integrated differently through the design and construction process

What is the best workfl ow for collaborative design using analytic tools

What tools do you wish were available

Have you engaged in knowledge sharing or education about analytical tools

What tools make the biggest impact on the performance of the fi nal building

What tools best communicate the urgency of high performance low-carbon design to clients

Should certain tools be used exclusively by certain members of the design team

DISCUSSION

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

19

ldquoScalable Precisionrdquo in Generating the ModelENERGY MODELING - INSIGHT360

BIM Energy Settings

Conceptual Masses

CHOOSE Geometry Mode

+

CHOOSE Material Thermal Properties

Mode

Building Elements Schematic Types

Conceptual Types

Detailed ElementsBothOR OR

OR OR

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

20

New Construction ExampleENERGY MODELING - INSIGHT360

Project LocationBuilding UseBuilding MassBuilding Elements

Building OrientationWindow-Wall-Ratio - by elevationWindow Shades ndash by elevationWindow Type ndash by elevationWall ConstructionRoof ConstructionInfi ltrationLightingPlug Load Effi ciencyDaylighting and Occupancy ControlsHVAC Types (limited options)Operating Schedule PV Potential

Iteratively Tested through Insight

Defi ned in Revit

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

21

Existing Building ExampleENERGY MODELING - INSIGHT360

Project LocationBuilding UseBuilding OrientationWindow-Wall-Ratio - by elevationWindow Shades ndash by elevation

Defi ned in Revit

Wall ConstructionRoof ConstructionInfi ltrationWindow Type ndash by elevationLightingPlug Load Effi ciencyDaylighting and Occupancy ControlsHVAC Types (limited options)

Iteratively Tested through Insight

Operating Schedule PV Potential

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

22

How to tell if your analytical surfaces are workingENERGY MODELING - INSIGHT360

INTERIOR WALLS ONLY

FLOORS ONLY

ERRORWORKING

EXTERIOR WALLS ONLY

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

23

ENERGY MODELING - INSIGHT360

How to use Insight to drive decisions about your exterior glazing

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

24

Study each variable to determine signifi cance to energy use intensity (EUI)ENERGY MODELING - INSIGHT360

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

25

Understanding relative impact of each variableENERGY MODELING - INSIGHT360

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

26

Understanding relative impact of each variableENERGY MODELING - INSIGHT360

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

27

Window Types defi ned within tiers of precisionENERGY MODELING - INSIGHT360

Tier 3 Schematic Types

Tier 2 Conceptual OptionsTier 1 Slider

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

28

Insight360 vs traditional energy modelENERGY MODELING - INSIGHT360

Inputs fl exible to allow for scalable

precision to evolve throughout your

process

Can be run from recorded

weather data or regional

averages uses DOE-2

engine

BOTH Typical Energy ModelInsight360

Process Meant to be run iteratively

from within your BIM model

Output EUI range

Limitations Cannot parametrically

test building form limited HVAC presets

Essential tools for

evaluating performance of

design

Inputs specifi c numerical value

across many fi elds

Process Limited ability to iterate

must export or create fi le from scratch

duplicates labor

Output Generate a specifi c estimate

rather than a range

Advantages More nuaned HVAC

evaluation

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

29

CONTENTS

I IntroductionA

NA

LYS

IS T

OO

LS

V Integrating the Process

VI Discussion

II Thermal Modeling - THERM

III Energy Modeling - Insight360

IV Life Cycle Assessment - Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

30

LIFE CYCLE ASSESSMENT (LCA)Scientifi c method for measuring the potential cradle to grave or cradle to cradle

environmental footprint of materials products and services over their entire life-

time

IMAGE CREDIT IRISH GREEN BUILDING COUNCIL

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

31

WHY - Cradle to Grave ImpactsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

32

WHY - Impact CategoriesLIFE CYCLE ASSESSMENT (LCA)

bull Global Warming Potential

bull Ozone Depletion Potential

bull Acidifi cation Potential

bull Eutrophication Potential

bull Formation of Tropospheric Ozone (Smog) Potential

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

33

WHY - Cradle to Grave ImpactsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

34

WHY - Impact CategoriesLIFE CYCLE ASSESSMENT (LCA)

WE HAVE 35 YEARS TO GET TO ZERO CARBON

SO WHY ARE WE STILL MEASURING IMPACTS

BASED ON A BUILDINGrsquoS FULL LIFESPAN

-Architecture2030

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

35

LIFE CYCLE ASSESSMENT (LCA)

INPUTS ASSESSMENT OUTPUTS

Material

Attributes amp

Quantity

Materialrsquos GWP

multiplierx

x

x

x

x

x

=

=

=

=

=

=

Materialrsquos ODP

multiplier

Materialrsquos AP

multiplier

Materialrsquos EP

multiplier

Materialrsquos TOP

multiplier

Materialrsquos NRDP

multiplier

Global Warming Potential

in kg CO2e

Ozone Depletion Potential

in kg CFC-11

Acidification Potential

in kg SO2

Eutrophication Potential

in kg nitrogen or kg phosphate

Tropospheric Ozone Potential

in kg NOx or kg O3 eq

Non-renewable Resource

Depletion Potential

in MJ

Project Location

and Service Life

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

36

ImplementationLIFE CYCLE ASSESSMENT (LCA)

Excel Spreadsheet

Environmental Product Declaration

Analysis Software Tools

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

37

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

38

HOW - Window ProductsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

39

DEFINE GLAZING

DEFINE WINDOW FRAME

CHOOSE FROM MATERIAL

DROPDOWN

OPTION TO DEFINE MATERIAL

TAKEOFF METHOD

OPTION TO DEFINE SERVICE

LIFE OF EACH ELEMENT

MATERIAL OPTIONS WITH EPDS

ARE NOTED

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

40

FINALIZE PROJECT SETTINGS

OPTION TO INCLUDE OPERATIONAL ENERGY

OPTION TO INCLUDE CONSTRUCTION IMPACTS

HOW - Window ProductsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

41

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

42

HOW - Structural System SelectionIMPLEMENTATION - LCA SOFTWARE

Compare an equivalent 30rsquo x 30rsquo structural bay constructed of

I Concrete columns beams and slab

II Steel columns beams and joists with concrete on metal deck

III Glulam columns and beams with wood infi ll and a concrete topping slab

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

43

HOW - Structural Systems ComparisonIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

44

HOW - Structural Systems ComparisonIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

45

bull 115000 sf existing building from the 1970s

bull Brick cladding and concrete structural system

bull Comprehensive renovation including new systems and partition walls

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

46

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

47

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

48

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

49

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

50

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

Total embodied Global Warming Potential of renovation = 782118 kgCO2eq

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

51

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

Total embodied Global Warming Potential of renovation = 782118 kgCO2eq

It takes = ~2 years of operation for the improved operational effi ciency to payback the renovation impacts

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

52

OVERVIEW

I IntroductionA

NA

LYS

IS T

OO

LS

V Integrating the Process

VI Discussion

II Thermal Modeling - THERM

III Energy Modeling - Insight360

IV Life Cycle Assessment - Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

53

ANALYTICAL WORKFLOW INTEGRATIONPROPOSAL CONCEPTS SCHEMATIC DESIGN

DEVELOPMENT

CONSTRUCTION

DOCUMENTS

CONSTRUCTION

ADMINISTRATION

OCCUPANCY

THERMAL

ANALYSIS

ENERGY

ANALYSIS

LIFE CYCLE

ANALYSIS

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

54

Integrating tools into the envelope design processANALYTICAL WORKFLOW

BIM Model

Detailed

Energy Model DETERMINE PROJECTED ENERGY CONSUMPTION

Whole building analysis

WUFIDETERMINE HYGROTHERMAL PERFORMANCE OF ENVELOPE

Whole building analysis

ThermDETERMINE PSI VALUES AT ANY POTENTIAL THERMAL BRIDGES

Slab details

Slab details at exterior wall

Exterior wall amp window details

Roof details at exterior wall

Roof details

Insight360 DETERMINE R-VALUE OF EACH COMPONENT

Slab Defi ne assembly

Wall Defi ne opaque wall assembly

Defi ne glazing components

Defi ne window-to-wall ratio

Roof Defi ne assembly

Tally DETERMINE EMBODIED CARBON OF ENVELOPE

Bill of materials Slab assembly

Exterior wall assembly

Glazing components

Roof assembly

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

55

How can tools be integrated differently through the design and construction process

What is the best workfl ow for collaborative design using analytic tools

What tools do you wish were available

Have you engaged in knowledge sharing or education about analytical tools

What tools make the biggest impact on the performance of the fi nal building

What tools best communicate the urgency of high performance low-carbon design to clients

Should certain tools be used exclusively by certain members of the design team

DISCUSSION

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

20

New Construction ExampleENERGY MODELING - INSIGHT360

Project LocationBuilding UseBuilding MassBuilding Elements

Building OrientationWindow-Wall-Ratio - by elevationWindow Shades ndash by elevationWindow Type ndash by elevationWall ConstructionRoof ConstructionInfi ltrationLightingPlug Load Effi ciencyDaylighting and Occupancy ControlsHVAC Types (limited options)Operating Schedule PV Potential

Iteratively Tested through Insight

Defi ned in Revit

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

21

Existing Building ExampleENERGY MODELING - INSIGHT360

Project LocationBuilding UseBuilding OrientationWindow-Wall-Ratio - by elevationWindow Shades ndash by elevation

Defi ned in Revit

Wall ConstructionRoof ConstructionInfi ltrationWindow Type ndash by elevationLightingPlug Load Effi ciencyDaylighting and Occupancy ControlsHVAC Types (limited options)

Iteratively Tested through Insight

Operating Schedule PV Potential

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

22

How to tell if your analytical surfaces are workingENERGY MODELING - INSIGHT360

INTERIOR WALLS ONLY

FLOORS ONLY

ERRORWORKING

EXTERIOR WALLS ONLY

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

23

ENERGY MODELING - INSIGHT360

How to use Insight to drive decisions about your exterior glazing

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

24

Study each variable to determine signifi cance to energy use intensity (EUI)ENERGY MODELING - INSIGHT360

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

25

Understanding relative impact of each variableENERGY MODELING - INSIGHT360

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

26

Understanding relative impact of each variableENERGY MODELING - INSIGHT360

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

27

Window Types defi ned within tiers of precisionENERGY MODELING - INSIGHT360

Tier 3 Schematic Types

Tier 2 Conceptual OptionsTier 1 Slider

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

28

Insight360 vs traditional energy modelENERGY MODELING - INSIGHT360

Inputs fl exible to allow for scalable

precision to evolve throughout your

process

Can be run from recorded

weather data or regional

averages uses DOE-2

engine

BOTH Typical Energy ModelInsight360

Process Meant to be run iteratively

from within your BIM model

Output EUI range

Limitations Cannot parametrically

test building form limited HVAC presets

Essential tools for

evaluating performance of

design

Inputs specifi c numerical value

across many fi elds

Process Limited ability to iterate

must export or create fi le from scratch

duplicates labor

Output Generate a specifi c estimate

rather than a range

Advantages More nuaned HVAC

evaluation

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

29

CONTENTS

I IntroductionA

NA

LYS

IS T

OO

LS

V Integrating the Process

VI Discussion

II Thermal Modeling - THERM

III Energy Modeling - Insight360

IV Life Cycle Assessment - Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

30

LIFE CYCLE ASSESSMENT (LCA)Scientifi c method for measuring the potential cradle to grave or cradle to cradle

environmental footprint of materials products and services over their entire life-

time

IMAGE CREDIT IRISH GREEN BUILDING COUNCIL

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

31

WHY - Cradle to Grave ImpactsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

32

WHY - Impact CategoriesLIFE CYCLE ASSESSMENT (LCA)

bull Global Warming Potential

bull Ozone Depletion Potential

bull Acidifi cation Potential

bull Eutrophication Potential

bull Formation of Tropospheric Ozone (Smog) Potential

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

33

WHY - Cradle to Grave ImpactsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

34

WHY - Impact CategoriesLIFE CYCLE ASSESSMENT (LCA)

WE HAVE 35 YEARS TO GET TO ZERO CARBON

SO WHY ARE WE STILL MEASURING IMPACTS

BASED ON A BUILDINGrsquoS FULL LIFESPAN

-Architecture2030

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

35

LIFE CYCLE ASSESSMENT (LCA)

INPUTS ASSESSMENT OUTPUTS

Material

Attributes amp

Quantity

Materialrsquos GWP

multiplierx

x

x

x

x

x

=

=

=

=

=

=

Materialrsquos ODP

multiplier

Materialrsquos AP

multiplier

Materialrsquos EP

multiplier

Materialrsquos TOP

multiplier

Materialrsquos NRDP

multiplier

Global Warming Potential

in kg CO2e

Ozone Depletion Potential

in kg CFC-11

Acidification Potential

in kg SO2

Eutrophication Potential

in kg nitrogen or kg phosphate

Tropospheric Ozone Potential

in kg NOx or kg O3 eq

Non-renewable Resource

Depletion Potential

in MJ

Project Location

and Service Life

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

36

ImplementationLIFE CYCLE ASSESSMENT (LCA)

Excel Spreadsheet

Environmental Product Declaration

Analysis Software Tools

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

37

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

38

HOW - Window ProductsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

39

DEFINE GLAZING

DEFINE WINDOW FRAME

CHOOSE FROM MATERIAL

DROPDOWN

OPTION TO DEFINE MATERIAL

TAKEOFF METHOD

OPTION TO DEFINE SERVICE

LIFE OF EACH ELEMENT

MATERIAL OPTIONS WITH EPDS

ARE NOTED

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

40

FINALIZE PROJECT SETTINGS

OPTION TO INCLUDE OPERATIONAL ENERGY

OPTION TO INCLUDE CONSTRUCTION IMPACTS

HOW - Window ProductsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

41

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

42

HOW - Structural System SelectionIMPLEMENTATION - LCA SOFTWARE

Compare an equivalent 30rsquo x 30rsquo structural bay constructed of

I Concrete columns beams and slab

II Steel columns beams and joists with concrete on metal deck

III Glulam columns and beams with wood infi ll and a concrete topping slab

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

43

HOW - Structural Systems ComparisonIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

44

HOW - Structural Systems ComparisonIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

45

bull 115000 sf existing building from the 1970s

bull Brick cladding and concrete structural system

bull Comprehensive renovation including new systems and partition walls

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

46

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

47

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

48

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

49

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

50

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

Total embodied Global Warming Potential of renovation = 782118 kgCO2eq

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

51

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

Total embodied Global Warming Potential of renovation = 782118 kgCO2eq

It takes = ~2 years of operation for the improved operational effi ciency to payback the renovation impacts

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

52

OVERVIEW

I IntroductionA

NA

LYS

IS T

OO

LS

V Integrating the Process

VI Discussion

II Thermal Modeling - THERM

III Energy Modeling - Insight360

IV Life Cycle Assessment - Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

53

ANALYTICAL WORKFLOW INTEGRATIONPROPOSAL CONCEPTS SCHEMATIC DESIGN

DEVELOPMENT

CONSTRUCTION

DOCUMENTS

CONSTRUCTION

ADMINISTRATION

OCCUPANCY

THERMAL

ANALYSIS

ENERGY

ANALYSIS

LIFE CYCLE

ANALYSIS

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

54

Integrating tools into the envelope design processANALYTICAL WORKFLOW

BIM Model

Detailed

Energy Model DETERMINE PROJECTED ENERGY CONSUMPTION

Whole building analysis

WUFIDETERMINE HYGROTHERMAL PERFORMANCE OF ENVELOPE

Whole building analysis

ThermDETERMINE PSI VALUES AT ANY POTENTIAL THERMAL BRIDGES

Slab details

Slab details at exterior wall

Exterior wall amp window details

Roof details at exterior wall

Roof details

Insight360 DETERMINE R-VALUE OF EACH COMPONENT

Slab Defi ne assembly

Wall Defi ne opaque wall assembly

Defi ne glazing components

Defi ne window-to-wall ratio

Roof Defi ne assembly

Tally DETERMINE EMBODIED CARBON OF ENVELOPE

Bill of materials Slab assembly

Exterior wall assembly

Glazing components

Roof assembly

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

55

How can tools be integrated differently through the design and construction process

What is the best workfl ow for collaborative design using analytic tools

What tools do you wish were available

Have you engaged in knowledge sharing or education about analytical tools

What tools make the biggest impact on the performance of the fi nal building

What tools best communicate the urgency of high performance low-carbon design to clients

Should certain tools be used exclusively by certain members of the design team

DISCUSSION

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

21

Existing Building ExampleENERGY MODELING - INSIGHT360

Project LocationBuilding UseBuilding OrientationWindow-Wall-Ratio - by elevationWindow Shades ndash by elevation

Defi ned in Revit

Wall ConstructionRoof ConstructionInfi ltrationWindow Type ndash by elevationLightingPlug Load Effi ciencyDaylighting and Occupancy ControlsHVAC Types (limited options)

Iteratively Tested through Insight

Operating Schedule PV Potential

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

22

How to tell if your analytical surfaces are workingENERGY MODELING - INSIGHT360

INTERIOR WALLS ONLY

FLOORS ONLY

ERRORWORKING

EXTERIOR WALLS ONLY

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

23

ENERGY MODELING - INSIGHT360

How to use Insight to drive decisions about your exterior glazing

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

24

Study each variable to determine signifi cance to energy use intensity (EUI)ENERGY MODELING - INSIGHT360

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

25

Understanding relative impact of each variableENERGY MODELING - INSIGHT360

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

26

Understanding relative impact of each variableENERGY MODELING - INSIGHT360

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

27

Window Types defi ned within tiers of precisionENERGY MODELING - INSIGHT360

Tier 3 Schematic Types

Tier 2 Conceptual OptionsTier 1 Slider

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

28

Insight360 vs traditional energy modelENERGY MODELING - INSIGHT360

Inputs fl exible to allow for scalable

precision to evolve throughout your

process

Can be run from recorded

weather data or regional

averages uses DOE-2

engine

BOTH Typical Energy ModelInsight360

Process Meant to be run iteratively

from within your BIM model

Output EUI range

Limitations Cannot parametrically

test building form limited HVAC presets

Essential tools for

evaluating performance of

design

Inputs specifi c numerical value

across many fi elds

Process Limited ability to iterate

must export or create fi le from scratch

duplicates labor

Output Generate a specifi c estimate

rather than a range

Advantages More nuaned HVAC

evaluation

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

29

CONTENTS

I IntroductionA

NA

LYS

IS T

OO

LS

V Integrating the Process

VI Discussion

II Thermal Modeling - THERM

III Energy Modeling - Insight360

IV Life Cycle Assessment - Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

30

LIFE CYCLE ASSESSMENT (LCA)Scientifi c method for measuring the potential cradle to grave or cradle to cradle

environmental footprint of materials products and services over their entire life-

time

IMAGE CREDIT IRISH GREEN BUILDING COUNCIL

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

31

WHY - Cradle to Grave ImpactsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

32

WHY - Impact CategoriesLIFE CYCLE ASSESSMENT (LCA)

bull Global Warming Potential

bull Ozone Depletion Potential

bull Acidifi cation Potential

bull Eutrophication Potential

bull Formation of Tropospheric Ozone (Smog) Potential

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

33

WHY - Cradle to Grave ImpactsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

34

WHY - Impact CategoriesLIFE CYCLE ASSESSMENT (LCA)

WE HAVE 35 YEARS TO GET TO ZERO CARBON

SO WHY ARE WE STILL MEASURING IMPACTS

BASED ON A BUILDINGrsquoS FULL LIFESPAN

-Architecture2030

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

35

LIFE CYCLE ASSESSMENT (LCA)

INPUTS ASSESSMENT OUTPUTS

Material

Attributes amp

Quantity

Materialrsquos GWP

multiplierx

x

x

x

x

x

=

=

=

=

=

=

Materialrsquos ODP

multiplier

Materialrsquos AP

multiplier

Materialrsquos EP

multiplier

Materialrsquos TOP

multiplier

Materialrsquos NRDP

multiplier

Global Warming Potential

in kg CO2e

Ozone Depletion Potential

in kg CFC-11

Acidification Potential

in kg SO2

Eutrophication Potential

in kg nitrogen or kg phosphate

Tropospheric Ozone Potential

in kg NOx or kg O3 eq

Non-renewable Resource

Depletion Potential

in MJ

Project Location

and Service Life

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

36

ImplementationLIFE CYCLE ASSESSMENT (LCA)

Excel Spreadsheet

Environmental Product Declaration

Analysis Software Tools

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

37

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

38

HOW - Window ProductsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

39

DEFINE GLAZING

DEFINE WINDOW FRAME

CHOOSE FROM MATERIAL

DROPDOWN

OPTION TO DEFINE MATERIAL

TAKEOFF METHOD

OPTION TO DEFINE SERVICE

LIFE OF EACH ELEMENT

MATERIAL OPTIONS WITH EPDS

ARE NOTED

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

40

FINALIZE PROJECT SETTINGS

OPTION TO INCLUDE OPERATIONAL ENERGY

OPTION TO INCLUDE CONSTRUCTION IMPACTS

HOW - Window ProductsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

41

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

42

HOW - Structural System SelectionIMPLEMENTATION - LCA SOFTWARE

Compare an equivalent 30rsquo x 30rsquo structural bay constructed of

I Concrete columns beams and slab

II Steel columns beams and joists with concrete on metal deck

III Glulam columns and beams with wood infi ll and a concrete topping slab

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

43

HOW - Structural Systems ComparisonIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

44

HOW - Structural Systems ComparisonIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

45

bull 115000 sf existing building from the 1970s

bull Brick cladding and concrete structural system

bull Comprehensive renovation including new systems and partition walls

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

46

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

47

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

48

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

49

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

50

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

Total embodied Global Warming Potential of renovation = 782118 kgCO2eq

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

51

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

Total embodied Global Warming Potential of renovation = 782118 kgCO2eq

It takes = ~2 years of operation for the improved operational effi ciency to payback the renovation impacts

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

52

OVERVIEW

I IntroductionA

NA

LYS

IS T

OO

LS

V Integrating the Process

VI Discussion

II Thermal Modeling - THERM

III Energy Modeling - Insight360

IV Life Cycle Assessment - Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

53

ANALYTICAL WORKFLOW INTEGRATIONPROPOSAL CONCEPTS SCHEMATIC DESIGN

DEVELOPMENT

CONSTRUCTION

DOCUMENTS

CONSTRUCTION

ADMINISTRATION

OCCUPANCY

THERMAL

ANALYSIS

ENERGY

ANALYSIS

LIFE CYCLE

ANALYSIS

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

54

Integrating tools into the envelope design processANALYTICAL WORKFLOW

BIM Model

Detailed

Energy Model DETERMINE PROJECTED ENERGY CONSUMPTION

Whole building analysis

WUFIDETERMINE HYGROTHERMAL PERFORMANCE OF ENVELOPE

Whole building analysis

ThermDETERMINE PSI VALUES AT ANY POTENTIAL THERMAL BRIDGES

Slab details

Slab details at exterior wall

Exterior wall amp window details

Roof details at exterior wall

Roof details

Insight360 DETERMINE R-VALUE OF EACH COMPONENT

Slab Defi ne assembly

Wall Defi ne opaque wall assembly

Defi ne glazing components

Defi ne window-to-wall ratio

Roof Defi ne assembly

Tally DETERMINE EMBODIED CARBON OF ENVELOPE

Bill of materials Slab assembly

Exterior wall assembly

Glazing components

Roof assembly

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

55

How can tools be integrated differently through the design and construction process

What is the best workfl ow for collaborative design using analytic tools

What tools do you wish were available

Have you engaged in knowledge sharing or education about analytical tools

What tools make the biggest impact on the performance of the fi nal building

What tools best communicate the urgency of high performance low-carbon design to clients

Should certain tools be used exclusively by certain members of the design team

DISCUSSION

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

22

How to tell if your analytical surfaces are workingENERGY MODELING - INSIGHT360

INTERIOR WALLS ONLY

FLOORS ONLY

ERRORWORKING

EXTERIOR WALLS ONLY

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

23

ENERGY MODELING - INSIGHT360

How to use Insight to drive decisions about your exterior glazing

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

24

Study each variable to determine signifi cance to energy use intensity (EUI)ENERGY MODELING - INSIGHT360

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

25

Understanding relative impact of each variableENERGY MODELING - INSIGHT360

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

26

Understanding relative impact of each variableENERGY MODELING - INSIGHT360

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

27

Window Types defi ned within tiers of precisionENERGY MODELING - INSIGHT360

Tier 3 Schematic Types

Tier 2 Conceptual OptionsTier 1 Slider

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

28

Insight360 vs traditional energy modelENERGY MODELING - INSIGHT360

Inputs fl exible to allow for scalable

precision to evolve throughout your

process

Can be run from recorded

weather data or regional

averages uses DOE-2

engine

BOTH Typical Energy ModelInsight360

Process Meant to be run iteratively

from within your BIM model

Output EUI range

Limitations Cannot parametrically

test building form limited HVAC presets

Essential tools for

evaluating performance of

design

Inputs specifi c numerical value

across many fi elds

Process Limited ability to iterate

must export or create fi le from scratch

duplicates labor

Output Generate a specifi c estimate

rather than a range

Advantages More nuaned HVAC

evaluation

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

29

CONTENTS

I IntroductionA

NA

LYS

IS T

OO

LS

V Integrating the Process

VI Discussion

II Thermal Modeling - THERM

III Energy Modeling - Insight360

IV Life Cycle Assessment - Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

30

LIFE CYCLE ASSESSMENT (LCA)Scientifi c method for measuring the potential cradle to grave or cradle to cradle

environmental footprint of materials products and services over their entire life-

time

IMAGE CREDIT IRISH GREEN BUILDING COUNCIL

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

31

WHY - Cradle to Grave ImpactsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

32

WHY - Impact CategoriesLIFE CYCLE ASSESSMENT (LCA)

bull Global Warming Potential

bull Ozone Depletion Potential

bull Acidifi cation Potential

bull Eutrophication Potential

bull Formation of Tropospheric Ozone (Smog) Potential

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

33

WHY - Cradle to Grave ImpactsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

34

WHY - Impact CategoriesLIFE CYCLE ASSESSMENT (LCA)

WE HAVE 35 YEARS TO GET TO ZERO CARBON

SO WHY ARE WE STILL MEASURING IMPACTS

BASED ON A BUILDINGrsquoS FULL LIFESPAN

-Architecture2030

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

35

LIFE CYCLE ASSESSMENT (LCA)

INPUTS ASSESSMENT OUTPUTS

Material

Attributes amp

Quantity

Materialrsquos GWP

multiplierx

x

x

x

x

x

=

=

=

=

=

=

Materialrsquos ODP

multiplier

Materialrsquos AP

multiplier

Materialrsquos EP

multiplier

Materialrsquos TOP

multiplier

Materialrsquos NRDP

multiplier

Global Warming Potential

in kg CO2e

Ozone Depletion Potential

in kg CFC-11

Acidification Potential

in kg SO2

Eutrophication Potential

in kg nitrogen or kg phosphate

Tropospheric Ozone Potential

in kg NOx or kg O3 eq

Non-renewable Resource

Depletion Potential

in MJ

Project Location

and Service Life

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

36

ImplementationLIFE CYCLE ASSESSMENT (LCA)

Excel Spreadsheet

Environmental Product Declaration

Analysis Software Tools

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

37

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

38

HOW - Window ProductsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

39

DEFINE GLAZING

DEFINE WINDOW FRAME

CHOOSE FROM MATERIAL

DROPDOWN

OPTION TO DEFINE MATERIAL

TAKEOFF METHOD

OPTION TO DEFINE SERVICE

LIFE OF EACH ELEMENT

MATERIAL OPTIONS WITH EPDS

ARE NOTED

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

40

FINALIZE PROJECT SETTINGS

OPTION TO INCLUDE OPERATIONAL ENERGY

OPTION TO INCLUDE CONSTRUCTION IMPACTS

HOW - Window ProductsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

41

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

42

HOW - Structural System SelectionIMPLEMENTATION - LCA SOFTWARE

Compare an equivalent 30rsquo x 30rsquo structural bay constructed of

I Concrete columns beams and slab

II Steel columns beams and joists with concrete on metal deck

III Glulam columns and beams with wood infi ll and a concrete topping slab

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

43

HOW - Structural Systems ComparisonIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

44

HOW - Structural Systems ComparisonIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

45

bull 115000 sf existing building from the 1970s

bull Brick cladding and concrete structural system

bull Comprehensive renovation including new systems and partition walls

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

46

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

47

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

48

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

49

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

50

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

Total embodied Global Warming Potential of renovation = 782118 kgCO2eq

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

51

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

Total embodied Global Warming Potential of renovation = 782118 kgCO2eq

It takes = ~2 years of operation for the improved operational effi ciency to payback the renovation impacts

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

52

OVERVIEW

I IntroductionA

NA

LYS

IS T

OO

LS

V Integrating the Process

VI Discussion

II Thermal Modeling - THERM

III Energy Modeling - Insight360

IV Life Cycle Assessment - Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

53

ANALYTICAL WORKFLOW INTEGRATIONPROPOSAL CONCEPTS SCHEMATIC DESIGN

DEVELOPMENT

CONSTRUCTION

DOCUMENTS

CONSTRUCTION

ADMINISTRATION

OCCUPANCY

THERMAL

ANALYSIS

ENERGY

ANALYSIS

LIFE CYCLE

ANALYSIS

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

54

Integrating tools into the envelope design processANALYTICAL WORKFLOW

BIM Model

Detailed

Energy Model DETERMINE PROJECTED ENERGY CONSUMPTION

Whole building analysis

WUFIDETERMINE HYGROTHERMAL PERFORMANCE OF ENVELOPE

Whole building analysis

ThermDETERMINE PSI VALUES AT ANY POTENTIAL THERMAL BRIDGES

Slab details

Slab details at exterior wall

Exterior wall amp window details

Roof details at exterior wall

Roof details

Insight360 DETERMINE R-VALUE OF EACH COMPONENT

Slab Defi ne assembly

Wall Defi ne opaque wall assembly

Defi ne glazing components

Defi ne window-to-wall ratio

Roof Defi ne assembly

Tally DETERMINE EMBODIED CARBON OF ENVELOPE

Bill of materials Slab assembly

Exterior wall assembly

Glazing components

Roof assembly

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

55

How can tools be integrated differently through the design and construction process

What is the best workfl ow for collaborative design using analytic tools

What tools do you wish were available

Have you engaged in knowledge sharing or education about analytical tools

What tools make the biggest impact on the performance of the fi nal building

What tools best communicate the urgency of high performance low-carbon design to clients

Should certain tools be used exclusively by certain members of the design team

DISCUSSION

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

23

ENERGY MODELING - INSIGHT360

How to use Insight to drive decisions about your exterior glazing

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

24

Study each variable to determine signifi cance to energy use intensity (EUI)ENERGY MODELING - INSIGHT360

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

25

Understanding relative impact of each variableENERGY MODELING - INSIGHT360

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

26

Understanding relative impact of each variableENERGY MODELING - INSIGHT360

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

27

Window Types defi ned within tiers of precisionENERGY MODELING - INSIGHT360

Tier 3 Schematic Types

Tier 2 Conceptual OptionsTier 1 Slider

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

28

Insight360 vs traditional energy modelENERGY MODELING - INSIGHT360

Inputs fl exible to allow for scalable

precision to evolve throughout your

process

Can be run from recorded

weather data or regional

averages uses DOE-2

engine

BOTH Typical Energy ModelInsight360

Process Meant to be run iteratively

from within your BIM model

Output EUI range

Limitations Cannot parametrically

test building form limited HVAC presets

Essential tools for

evaluating performance of

design

Inputs specifi c numerical value

across many fi elds

Process Limited ability to iterate

must export or create fi le from scratch

duplicates labor

Output Generate a specifi c estimate

rather than a range

Advantages More nuaned HVAC

evaluation

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

29

CONTENTS

I IntroductionA

NA

LYS

IS T

OO

LS

V Integrating the Process

VI Discussion

II Thermal Modeling - THERM

III Energy Modeling - Insight360

IV Life Cycle Assessment - Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

30

LIFE CYCLE ASSESSMENT (LCA)Scientifi c method for measuring the potential cradle to grave or cradle to cradle

environmental footprint of materials products and services over their entire life-

time

IMAGE CREDIT IRISH GREEN BUILDING COUNCIL

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

31

WHY - Cradle to Grave ImpactsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

32

WHY - Impact CategoriesLIFE CYCLE ASSESSMENT (LCA)

bull Global Warming Potential

bull Ozone Depletion Potential

bull Acidifi cation Potential

bull Eutrophication Potential

bull Formation of Tropospheric Ozone (Smog) Potential

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

33

WHY - Cradle to Grave ImpactsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

34

WHY - Impact CategoriesLIFE CYCLE ASSESSMENT (LCA)

WE HAVE 35 YEARS TO GET TO ZERO CARBON

SO WHY ARE WE STILL MEASURING IMPACTS

BASED ON A BUILDINGrsquoS FULL LIFESPAN

-Architecture2030

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

35

LIFE CYCLE ASSESSMENT (LCA)

INPUTS ASSESSMENT OUTPUTS

Material

Attributes amp

Quantity

Materialrsquos GWP

multiplierx

x

x

x

x

x

=

=

=

=

=

=

Materialrsquos ODP

multiplier

Materialrsquos AP

multiplier

Materialrsquos EP

multiplier

Materialrsquos TOP

multiplier

Materialrsquos NRDP

multiplier

Global Warming Potential

in kg CO2e

Ozone Depletion Potential

in kg CFC-11

Acidification Potential

in kg SO2

Eutrophication Potential

in kg nitrogen or kg phosphate

Tropospheric Ozone Potential

in kg NOx or kg O3 eq

Non-renewable Resource

Depletion Potential

in MJ

Project Location

and Service Life

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

36

ImplementationLIFE CYCLE ASSESSMENT (LCA)

Excel Spreadsheet

Environmental Product Declaration

Analysis Software Tools

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

37

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

38

HOW - Window ProductsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

39

DEFINE GLAZING

DEFINE WINDOW FRAME

CHOOSE FROM MATERIAL

DROPDOWN

OPTION TO DEFINE MATERIAL

TAKEOFF METHOD

OPTION TO DEFINE SERVICE

LIFE OF EACH ELEMENT

MATERIAL OPTIONS WITH EPDS

ARE NOTED

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

40

FINALIZE PROJECT SETTINGS

OPTION TO INCLUDE OPERATIONAL ENERGY

OPTION TO INCLUDE CONSTRUCTION IMPACTS

HOW - Window ProductsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

41

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

42

HOW - Structural System SelectionIMPLEMENTATION - LCA SOFTWARE

Compare an equivalent 30rsquo x 30rsquo structural bay constructed of

I Concrete columns beams and slab

II Steel columns beams and joists with concrete on metal deck

III Glulam columns and beams with wood infi ll and a concrete topping slab

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

43

HOW - Structural Systems ComparisonIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

44

HOW - Structural Systems ComparisonIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

45

bull 115000 sf existing building from the 1970s

bull Brick cladding and concrete structural system

bull Comprehensive renovation including new systems and partition walls

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

46

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

47

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

48

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

49

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

50

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

Total embodied Global Warming Potential of renovation = 782118 kgCO2eq

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

51

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

Total embodied Global Warming Potential of renovation = 782118 kgCO2eq

It takes = ~2 years of operation for the improved operational effi ciency to payback the renovation impacts

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

52

OVERVIEW

I IntroductionA

NA

LYS

IS T

OO

LS

V Integrating the Process

VI Discussion

II Thermal Modeling - THERM

III Energy Modeling - Insight360

IV Life Cycle Assessment - Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

53

ANALYTICAL WORKFLOW INTEGRATIONPROPOSAL CONCEPTS SCHEMATIC DESIGN

DEVELOPMENT

CONSTRUCTION

DOCUMENTS

CONSTRUCTION

ADMINISTRATION

OCCUPANCY

THERMAL

ANALYSIS

ENERGY

ANALYSIS

LIFE CYCLE

ANALYSIS

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

54

Integrating tools into the envelope design processANALYTICAL WORKFLOW

BIM Model

Detailed

Energy Model DETERMINE PROJECTED ENERGY CONSUMPTION

Whole building analysis

WUFIDETERMINE HYGROTHERMAL PERFORMANCE OF ENVELOPE

Whole building analysis

ThermDETERMINE PSI VALUES AT ANY POTENTIAL THERMAL BRIDGES

Slab details

Slab details at exterior wall

Exterior wall amp window details

Roof details at exterior wall

Roof details

Insight360 DETERMINE R-VALUE OF EACH COMPONENT

Slab Defi ne assembly

Wall Defi ne opaque wall assembly

Defi ne glazing components

Defi ne window-to-wall ratio

Roof Defi ne assembly

Tally DETERMINE EMBODIED CARBON OF ENVELOPE

Bill of materials Slab assembly

Exterior wall assembly

Glazing components

Roof assembly

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

55

How can tools be integrated differently through the design and construction process

What is the best workfl ow for collaborative design using analytic tools

What tools do you wish were available

Have you engaged in knowledge sharing or education about analytical tools

What tools make the biggest impact on the performance of the fi nal building

What tools best communicate the urgency of high performance low-carbon design to clients

Should certain tools be used exclusively by certain members of the design team

DISCUSSION

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

24

Study each variable to determine signifi cance to energy use intensity (EUI)ENERGY MODELING - INSIGHT360

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

25

Understanding relative impact of each variableENERGY MODELING - INSIGHT360

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

26

Understanding relative impact of each variableENERGY MODELING - INSIGHT360

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

27

Window Types defi ned within tiers of precisionENERGY MODELING - INSIGHT360

Tier 3 Schematic Types

Tier 2 Conceptual OptionsTier 1 Slider

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

28

Insight360 vs traditional energy modelENERGY MODELING - INSIGHT360

Inputs fl exible to allow for scalable

precision to evolve throughout your

process

Can be run from recorded

weather data or regional

averages uses DOE-2

engine

BOTH Typical Energy ModelInsight360

Process Meant to be run iteratively

from within your BIM model

Output EUI range

Limitations Cannot parametrically

test building form limited HVAC presets

Essential tools for

evaluating performance of

design

Inputs specifi c numerical value

across many fi elds

Process Limited ability to iterate

must export or create fi le from scratch

duplicates labor

Output Generate a specifi c estimate

rather than a range

Advantages More nuaned HVAC

evaluation

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

29

CONTENTS

I IntroductionA

NA

LYS

IS T

OO

LS

V Integrating the Process

VI Discussion

II Thermal Modeling - THERM

III Energy Modeling - Insight360

IV Life Cycle Assessment - Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

30

LIFE CYCLE ASSESSMENT (LCA)Scientifi c method for measuring the potential cradle to grave or cradle to cradle

environmental footprint of materials products and services over their entire life-

time

IMAGE CREDIT IRISH GREEN BUILDING COUNCIL

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

31

WHY - Cradle to Grave ImpactsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

32

WHY - Impact CategoriesLIFE CYCLE ASSESSMENT (LCA)

bull Global Warming Potential

bull Ozone Depletion Potential

bull Acidifi cation Potential

bull Eutrophication Potential

bull Formation of Tropospheric Ozone (Smog) Potential

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

33

WHY - Cradle to Grave ImpactsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

34

WHY - Impact CategoriesLIFE CYCLE ASSESSMENT (LCA)

WE HAVE 35 YEARS TO GET TO ZERO CARBON

SO WHY ARE WE STILL MEASURING IMPACTS

BASED ON A BUILDINGrsquoS FULL LIFESPAN

-Architecture2030

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

35

LIFE CYCLE ASSESSMENT (LCA)

INPUTS ASSESSMENT OUTPUTS

Material

Attributes amp

Quantity

Materialrsquos GWP

multiplierx

x

x

x

x

x

=

=

=

=

=

=

Materialrsquos ODP

multiplier

Materialrsquos AP

multiplier

Materialrsquos EP

multiplier

Materialrsquos TOP

multiplier

Materialrsquos NRDP

multiplier

Global Warming Potential

in kg CO2e

Ozone Depletion Potential

in kg CFC-11

Acidification Potential

in kg SO2

Eutrophication Potential

in kg nitrogen or kg phosphate

Tropospheric Ozone Potential

in kg NOx or kg O3 eq

Non-renewable Resource

Depletion Potential

in MJ

Project Location

and Service Life

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

36

ImplementationLIFE CYCLE ASSESSMENT (LCA)

Excel Spreadsheet

Environmental Product Declaration

Analysis Software Tools

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

37

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

38

HOW - Window ProductsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

39

DEFINE GLAZING

DEFINE WINDOW FRAME

CHOOSE FROM MATERIAL

DROPDOWN

OPTION TO DEFINE MATERIAL

TAKEOFF METHOD

OPTION TO DEFINE SERVICE

LIFE OF EACH ELEMENT

MATERIAL OPTIONS WITH EPDS

ARE NOTED

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

40

FINALIZE PROJECT SETTINGS

OPTION TO INCLUDE OPERATIONAL ENERGY

OPTION TO INCLUDE CONSTRUCTION IMPACTS

HOW - Window ProductsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

41

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

42

HOW - Structural System SelectionIMPLEMENTATION - LCA SOFTWARE

Compare an equivalent 30rsquo x 30rsquo structural bay constructed of

I Concrete columns beams and slab

II Steel columns beams and joists with concrete on metal deck

III Glulam columns and beams with wood infi ll and a concrete topping slab

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

43

HOW - Structural Systems ComparisonIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

44

HOW - Structural Systems ComparisonIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

45

bull 115000 sf existing building from the 1970s

bull Brick cladding and concrete structural system

bull Comprehensive renovation including new systems and partition walls

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

46

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

47

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

48

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

49

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

50

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

Total embodied Global Warming Potential of renovation = 782118 kgCO2eq

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

51

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

Total embodied Global Warming Potential of renovation = 782118 kgCO2eq

It takes = ~2 years of operation for the improved operational effi ciency to payback the renovation impacts

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

52

OVERVIEW

I IntroductionA

NA

LYS

IS T

OO

LS

V Integrating the Process

VI Discussion

II Thermal Modeling - THERM

III Energy Modeling - Insight360

IV Life Cycle Assessment - Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

53

ANALYTICAL WORKFLOW INTEGRATIONPROPOSAL CONCEPTS SCHEMATIC DESIGN

DEVELOPMENT

CONSTRUCTION

DOCUMENTS

CONSTRUCTION

ADMINISTRATION

OCCUPANCY

THERMAL

ANALYSIS

ENERGY

ANALYSIS

LIFE CYCLE

ANALYSIS

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

54

Integrating tools into the envelope design processANALYTICAL WORKFLOW

BIM Model

Detailed

Energy Model DETERMINE PROJECTED ENERGY CONSUMPTION

Whole building analysis

WUFIDETERMINE HYGROTHERMAL PERFORMANCE OF ENVELOPE

Whole building analysis

ThermDETERMINE PSI VALUES AT ANY POTENTIAL THERMAL BRIDGES

Slab details

Slab details at exterior wall

Exterior wall amp window details

Roof details at exterior wall

Roof details

Insight360 DETERMINE R-VALUE OF EACH COMPONENT

Slab Defi ne assembly

Wall Defi ne opaque wall assembly

Defi ne glazing components

Defi ne window-to-wall ratio

Roof Defi ne assembly

Tally DETERMINE EMBODIED CARBON OF ENVELOPE

Bill of materials Slab assembly

Exterior wall assembly

Glazing components

Roof assembly

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

55

How can tools be integrated differently through the design and construction process

What is the best workfl ow for collaborative design using analytic tools

What tools do you wish were available

Have you engaged in knowledge sharing or education about analytical tools

What tools make the biggest impact on the performance of the fi nal building

What tools best communicate the urgency of high performance low-carbon design to clients

Should certain tools be used exclusively by certain members of the design team

DISCUSSION

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

25

Understanding relative impact of each variableENERGY MODELING - INSIGHT360

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

26

Understanding relative impact of each variableENERGY MODELING - INSIGHT360

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

27

Window Types defi ned within tiers of precisionENERGY MODELING - INSIGHT360

Tier 3 Schematic Types

Tier 2 Conceptual OptionsTier 1 Slider

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

28

Insight360 vs traditional energy modelENERGY MODELING - INSIGHT360

Inputs fl exible to allow for scalable

precision to evolve throughout your

process

Can be run from recorded

weather data or regional

averages uses DOE-2

engine

BOTH Typical Energy ModelInsight360

Process Meant to be run iteratively

from within your BIM model

Output EUI range

Limitations Cannot parametrically

test building form limited HVAC presets

Essential tools for

evaluating performance of

design

Inputs specifi c numerical value

across many fi elds

Process Limited ability to iterate

must export or create fi le from scratch

duplicates labor

Output Generate a specifi c estimate

rather than a range

Advantages More nuaned HVAC

evaluation

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

29

CONTENTS

I IntroductionA

NA

LYS

IS T

OO

LS

V Integrating the Process

VI Discussion

II Thermal Modeling - THERM

III Energy Modeling - Insight360

IV Life Cycle Assessment - Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

30

LIFE CYCLE ASSESSMENT (LCA)Scientifi c method for measuring the potential cradle to grave or cradle to cradle

environmental footprint of materials products and services over their entire life-

time

IMAGE CREDIT IRISH GREEN BUILDING COUNCIL

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

31

WHY - Cradle to Grave ImpactsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

32

WHY - Impact CategoriesLIFE CYCLE ASSESSMENT (LCA)

bull Global Warming Potential

bull Ozone Depletion Potential

bull Acidifi cation Potential

bull Eutrophication Potential

bull Formation of Tropospheric Ozone (Smog) Potential

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

33

WHY - Cradle to Grave ImpactsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

34

WHY - Impact CategoriesLIFE CYCLE ASSESSMENT (LCA)

WE HAVE 35 YEARS TO GET TO ZERO CARBON

SO WHY ARE WE STILL MEASURING IMPACTS

BASED ON A BUILDINGrsquoS FULL LIFESPAN

-Architecture2030

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

35

LIFE CYCLE ASSESSMENT (LCA)

INPUTS ASSESSMENT OUTPUTS

Material

Attributes amp

Quantity

Materialrsquos GWP

multiplierx

x

x

x

x

x

=

=

=

=

=

=

Materialrsquos ODP

multiplier

Materialrsquos AP

multiplier

Materialrsquos EP

multiplier

Materialrsquos TOP

multiplier

Materialrsquos NRDP

multiplier

Global Warming Potential

in kg CO2e

Ozone Depletion Potential

in kg CFC-11

Acidification Potential

in kg SO2

Eutrophication Potential

in kg nitrogen or kg phosphate

Tropospheric Ozone Potential

in kg NOx or kg O3 eq

Non-renewable Resource

Depletion Potential

in MJ

Project Location

and Service Life

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

36

ImplementationLIFE CYCLE ASSESSMENT (LCA)

Excel Spreadsheet

Environmental Product Declaration

Analysis Software Tools

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

37

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

38

HOW - Window ProductsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

39

DEFINE GLAZING

DEFINE WINDOW FRAME

CHOOSE FROM MATERIAL

DROPDOWN

OPTION TO DEFINE MATERIAL

TAKEOFF METHOD

OPTION TO DEFINE SERVICE

LIFE OF EACH ELEMENT

MATERIAL OPTIONS WITH EPDS

ARE NOTED

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

40

FINALIZE PROJECT SETTINGS

OPTION TO INCLUDE OPERATIONAL ENERGY

OPTION TO INCLUDE CONSTRUCTION IMPACTS

HOW - Window ProductsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

41

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

42

HOW - Structural System SelectionIMPLEMENTATION - LCA SOFTWARE

Compare an equivalent 30rsquo x 30rsquo structural bay constructed of

I Concrete columns beams and slab

II Steel columns beams and joists with concrete on metal deck

III Glulam columns and beams with wood infi ll and a concrete topping slab

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

43

HOW - Structural Systems ComparisonIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

44

HOW - Structural Systems ComparisonIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

45

bull 115000 sf existing building from the 1970s

bull Brick cladding and concrete structural system

bull Comprehensive renovation including new systems and partition walls

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

46

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

47

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

48

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

49

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

50

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

Total embodied Global Warming Potential of renovation = 782118 kgCO2eq

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

51

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

Total embodied Global Warming Potential of renovation = 782118 kgCO2eq

It takes = ~2 years of operation for the improved operational effi ciency to payback the renovation impacts

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

52

OVERVIEW

I IntroductionA

NA

LYS

IS T

OO

LS

V Integrating the Process

VI Discussion

II Thermal Modeling - THERM

III Energy Modeling - Insight360

IV Life Cycle Assessment - Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

53

ANALYTICAL WORKFLOW INTEGRATIONPROPOSAL CONCEPTS SCHEMATIC DESIGN

DEVELOPMENT

CONSTRUCTION

DOCUMENTS

CONSTRUCTION

ADMINISTRATION

OCCUPANCY

THERMAL

ANALYSIS

ENERGY

ANALYSIS

LIFE CYCLE

ANALYSIS

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

54

Integrating tools into the envelope design processANALYTICAL WORKFLOW

BIM Model

Detailed

Energy Model DETERMINE PROJECTED ENERGY CONSUMPTION

Whole building analysis

WUFIDETERMINE HYGROTHERMAL PERFORMANCE OF ENVELOPE

Whole building analysis

ThermDETERMINE PSI VALUES AT ANY POTENTIAL THERMAL BRIDGES

Slab details

Slab details at exterior wall

Exterior wall amp window details

Roof details at exterior wall

Roof details

Insight360 DETERMINE R-VALUE OF EACH COMPONENT

Slab Defi ne assembly

Wall Defi ne opaque wall assembly

Defi ne glazing components

Defi ne window-to-wall ratio

Roof Defi ne assembly

Tally DETERMINE EMBODIED CARBON OF ENVELOPE

Bill of materials Slab assembly

Exterior wall assembly

Glazing components

Roof assembly

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

55

How can tools be integrated differently through the design and construction process

What is the best workfl ow for collaborative design using analytic tools

What tools do you wish were available

Have you engaged in knowledge sharing or education about analytical tools

What tools make the biggest impact on the performance of the fi nal building

What tools best communicate the urgency of high performance low-carbon design to clients

Should certain tools be used exclusively by certain members of the design team

DISCUSSION

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

26

Understanding relative impact of each variableENERGY MODELING - INSIGHT360

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

27

Window Types defi ned within tiers of precisionENERGY MODELING - INSIGHT360

Tier 3 Schematic Types

Tier 2 Conceptual OptionsTier 1 Slider

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

28

Insight360 vs traditional energy modelENERGY MODELING - INSIGHT360

Inputs fl exible to allow for scalable

precision to evolve throughout your

process

Can be run from recorded

weather data or regional

averages uses DOE-2

engine

BOTH Typical Energy ModelInsight360

Process Meant to be run iteratively

from within your BIM model

Output EUI range

Limitations Cannot parametrically

test building form limited HVAC presets

Essential tools for

evaluating performance of

design

Inputs specifi c numerical value

across many fi elds

Process Limited ability to iterate

must export or create fi le from scratch

duplicates labor

Output Generate a specifi c estimate

rather than a range

Advantages More nuaned HVAC

evaluation

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

29

CONTENTS

I IntroductionA

NA

LYS

IS T

OO

LS

V Integrating the Process

VI Discussion

II Thermal Modeling - THERM

III Energy Modeling - Insight360

IV Life Cycle Assessment - Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

30

LIFE CYCLE ASSESSMENT (LCA)Scientifi c method for measuring the potential cradle to grave or cradle to cradle

environmental footprint of materials products and services over their entire life-

time

IMAGE CREDIT IRISH GREEN BUILDING COUNCIL

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

31

WHY - Cradle to Grave ImpactsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

32

WHY - Impact CategoriesLIFE CYCLE ASSESSMENT (LCA)

bull Global Warming Potential

bull Ozone Depletion Potential

bull Acidifi cation Potential

bull Eutrophication Potential

bull Formation of Tropospheric Ozone (Smog) Potential

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

33

WHY - Cradle to Grave ImpactsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

34

WHY - Impact CategoriesLIFE CYCLE ASSESSMENT (LCA)

WE HAVE 35 YEARS TO GET TO ZERO CARBON

SO WHY ARE WE STILL MEASURING IMPACTS

BASED ON A BUILDINGrsquoS FULL LIFESPAN

-Architecture2030

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

35

LIFE CYCLE ASSESSMENT (LCA)

INPUTS ASSESSMENT OUTPUTS

Material

Attributes amp

Quantity

Materialrsquos GWP

multiplierx

x

x

x

x

x

=

=

=

=

=

=

Materialrsquos ODP

multiplier

Materialrsquos AP

multiplier

Materialrsquos EP

multiplier

Materialrsquos TOP

multiplier

Materialrsquos NRDP

multiplier

Global Warming Potential

in kg CO2e

Ozone Depletion Potential

in kg CFC-11

Acidification Potential

in kg SO2

Eutrophication Potential

in kg nitrogen or kg phosphate

Tropospheric Ozone Potential

in kg NOx or kg O3 eq

Non-renewable Resource

Depletion Potential

in MJ

Project Location

and Service Life

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

36

ImplementationLIFE CYCLE ASSESSMENT (LCA)

Excel Spreadsheet

Environmental Product Declaration

Analysis Software Tools

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

37

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

38

HOW - Window ProductsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

39

DEFINE GLAZING

DEFINE WINDOW FRAME

CHOOSE FROM MATERIAL

DROPDOWN

OPTION TO DEFINE MATERIAL

TAKEOFF METHOD

OPTION TO DEFINE SERVICE

LIFE OF EACH ELEMENT

MATERIAL OPTIONS WITH EPDS

ARE NOTED

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

40

FINALIZE PROJECT SETTINGS

OPTION TO INCLUDE OPERATIONAL ENERGY

OPTION TO INCLUDE CONSTRUCTION IMPACTS

HOW - Window ProductsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

41

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

42

HOW - Structural System SelectionIMPLEMENTATION - LCA SOFTWARE

Compare an equivalent 30rsquo x 30rsquo structural bay constructed of

I Concrete columns beams and slab

II Steel columns beams and joists with concrete on metal deck

III Glulam columns and beams with wood infi ll and a concrete topping slab

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

43

HOW - Structural Systems ComparisonIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

44

HOW - Structural Systems ComparisonIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

45

bull 115000 sf existing building from the 1970s

bull Brick cladding and concrete structural system

bull Comprehensive renovation including new systems and partition walls

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

46

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

47

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

48

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

49

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

50

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

Total embodied Global Warming Potential of renovation = 782118 kgCO2eq

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

51

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

Total embodied Global Warming Potential of renovation = 782118 kgCO2eq

It takes = ~2 years of operation for the improved operational effi ciency to payback the renovation impacts

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

52

OVERVIEW

I IntroductionA

NA

LYS

IS T

OO

LS

V Integrating the Process

VI Discussion

II Thermal Modeling - THERM

III Energy Modeling - Insight360

IV Life Cycle Assessment - Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

53

ANALYTICAL WORKFLOW INTEGRATIONPROPOSAL CONCEPTS SCHEMATIC DESIGN

DEVELOPMENT

CONSTRUCTION

DOCUMENTS

CONSTRUCTION

ADMINISTRATION

OCCUPANCY

THERMAL

ANALYSIS

ENERGY

ANALYSIS

LIFE CYCLE

ANALYSIS

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

54

Integrating tools into the envelope design processANALYTICAL WORKFLOW

BIM Model

Detailed

Energy Model DETERMINE PROJECTED ENERGY CONSUMPTION

Whole building analysis

WUFIDETERMINE HYGROTHERMAL PERFORMANCE OF ENVELOPE

Whole building analysis

ThermDETERMINE PSI VALUES AT ANY POTENTIAL THERMAL BRIDGES

Slab details

Slab details at exterior wall

Exterior wall amp window details

Roof details at exterior wall

Roof details

Insight360 DETERMINE R-VALUE OF EACH COMPONENT

Slab Defi ne assembly

Wall Defi ne opaque wall assembly

Defi ne glazing components

Defi ne window-to-wall ratio

Roof Defi ne assembly

Tally DETERMINE EMBODIED CARBON OF ENVELOPE

Bill of materials Slab assembly

Exterior wall assembly

Glazing components

Roof assembly

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

55

How can tools be integrated differently through the design and construction process

What is the best workfl ow for collaborative design using analytic tools

What tools do you wish were available

Have you engaged in knowledge sharing or education about analytical tools

What tools make the biggest impact on the performance of the fi nal building

What tools best communicate the urgency of high performance low-carbon design to clients

Should certain tools be used exclusively by certain members of the design team

DISCUSSION

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

27

Window Types defi ned within tiers of precisionENERGY MODELING - INSIGHT360

Tier 3 Schematic Types

Tier 2 Conceptual OptionsTier 1 Slider

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

28

Insight360 vs traditional energy modelENERGY MODELING - INSIGHT360

Inputs fl exible to allow for scalable

precision to evolve throughout your

process

Can be run from recorded

weather data or regional

averages uses DOE-2

engine

BOTH Typical Energy ModelInsight360

Process Meant to be run iteratively

from within your BIM model

Output EUI range

Limitations Cannot parametrically

test building form limited HVAC presets

Essential tools for

evaluating performance of

design

Inputs specifi c numerical value

across many fi elds

Process Limited ability to iterate

must export or create fi le from scratch

duplicates labor

Output Generate a specifi c estimate

rather than a range

Advantages More nuaned HVAC

evaluation

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

29

CONTENTS

I IntroductionA

NA

LYS

IS T

OO

LS

V Integrating the Process

VI Discussion

II Thermal Modeling - THERM

III Energy Modeling - Insight360

IV Life Cycle Assessment - Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

30

LIFE CYCLE ASSESSMENT (LCA)Scientifi c method for measuring the potential cradle to grave or cradle to cradle

environmental footprint of materials products and services over their entire life-

time

IMAGE CREDIT IRISH GREEN BUILDING COUNCIL

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

31

WHY - Cradle to Grave ImpactsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

32

WHY - Impact CategoriesLIFE CYCLE ASSESSMENT (LCA)

bull Global Warming Potential

bull Ozone Depletion Potential

bull Acidifi cation Potential

bull Eutrophication Potential

bull Formation of Tropospheric Ozone (Smog) Potential

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

33

WHY - Cradle to Grave ImpactsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

34

WHY - Impact CategoriesLIFE CYCLE ASSESSMENT (LCA)

WE HAVE 35 YEARS TO GET TO ZERO CARBON

SO WHY ARE WE STILL MEASURING IMPACTS

BASED ON A BUILDINGrsquoS FULL LIFESPAN

-Architecture2030

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

35

LIFE CYCLE ASSESSMENT (LCA)

INPUTS ASSESSMENT OUTPUTS

Material

Attributes amp

Quantity

Materialrsquos GWP

multiplierx

x

x

x

x

x

=

=

=

=

=

=

Materialrsquos ODP

multiplier

Materialrsquos AP

multiplier

Materialrsquos EP

multiplier

Materialrsquos TOP

multiplier

Materialrsquos NRDP

multiplier

Global Warming Potential

in kg CO2e

Ozone Depletion Potential

in kg CFC-11

Acidification Potential

in kg SO2

Eutrophication Potential

in kg nitrogen or kg phosphate

Tropospheric Ozone Potential

in kg NOx or kg O3 eq

Non-renewable Resource

Depletion Potential

in MJ

Project Location

and Service Life

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

36

ImplementationLIFE CYCLE ASSESSMENT (LCA)

Excel Spreadsheet

Environmental Product Declaration

Analysis Software Tools

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

37

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

38

HOW - Window ProductsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

39

DEFINE GLAZING

DEFINE WINDOW FRAME

CHOOSE FROM MATERIAL

DROPDOWN

OPTION TO DEFINE MATERIAL

TAKEOFF METHOD

OPTION TO DEFINE SERVICE

LIFE OF EACH ELEMENT

MATERIAL OPTIONS WITH EPDS

ARE NOTED

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

40

FINALIZE PROJECT SETTINGS

OPTION TO INCLUDE OPERATIONAL ENERGY

OPTION TO INCLUDE CONSTRUCTION IMPACTS

HOW - Window ProductsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

41

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

42

HOW - Structural System SelectionIMPLEMENTATION - LCA SOFTWARE

Compare an equivalent 30rsquo x 30rsquo structural bay constructed of

I Concrete columns beams and slab

II Steel columns beams and joists with concrete on metal deck

III Glulam columns and beams with wood infi ll and a concrete topping slab

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

43

HOW - Structural Systems ComparisonIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

44

HOW - Structural Systems ComparisonIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

45

bull 115000 sf existing building from the 1970s

bull Brick cladding and concrete structural system

bull Comprehensive renovation including new systems and partition walls

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

46

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

47

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

48

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

49

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

50

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

Total embodied Global Warming Potential of renovation = 782118 kgCO2eq

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

51

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

Total embodied Global Warming Potential of renovation = 782118 kgCO2eq

It takes = ~2 years of operation for the improved operational effi ciency to payback the renovation impacts

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

52

OVERVIEW

I IntroductionA

NA

LYS

IS T

OO

LS

V Integrating the Process

VI Discussion

II Thermal Modeling - THERM

III Energy Modeling - Insight360

IV Life Cycle Assessment - Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

53

ANALYTICAL WORKFLOW INTEGRATIONPROPOSAL CONCEPTS SCHEMATIC DESIGN

DEVELOPMENT

CONSTRUCTION

DOCUMENTS

CONSTRUCTION

ADMINISTRATION

OCCUPANCY

THERMAL

ANALYSIS

ENERGY

ANALYSIS

LIFE CYCLE

ANALYSIS

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

54

Integrating tools into the envelope design processANALYTICAL WORKFLOW

BIM Model

Detailed

Energy Model DETERMINE PROJECTED ENERGY CONSUMPTION

Whole building analysis

WUFIDETERMINE HYGROTHERMAL PERFORMANCE OF ENVELOPE

Whole building analysis

ThermDETERMINE PSI VALUES AT ANY POTENTIAL THERMAL BRIDGES

Slab details

Slab details at exterior wall

Exterior wall amp window details

Roof details at exterior wall

Roof details

Insight360 DETERMINE R-VALUE OF EACH COMPONENT

Slab Defi ne assembly

Wall Defi ne opaque wall assembly

Defi ne glazing components

Defi ne window-to-wall ratio

Roof Defi ne assembly

Tally DETERMINE EMBODIED CARBON OF ENVELOPE

Bill of materials Slab assembly

Exterior wall assembly

Glazing components

Roof assembly

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

55

How can tools be integrated differently through the design and construction process

What is the best workfl ow for collaborative design using analytic tools

What tools do you wish were available

Have you engaged in knowledge sharing or education about analytical tools

What tools make the biggest impact on the performance of the fi nal building

What tools best communicate the urgency of high performance low-carbon design to clients

Should certain tools be used exclusively by certain members of the design team

DISCUSSION

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

28

Insight360 vs traditional energy modelENERGY MODELING - INSIGHT360

Inputs fl exible to allow for scalable

precision to evolve throughout your

process

Can be run from recorded

weather data or regional

averages uses DOE-2

engine

BOTH Typical Energy ModelInsight360

Process Meant to be run iteratively

from within your BIM model

Output EUI range

Limitations Cannot parametrically

test building form limited HVAC presets

Essential tools for

evaluating performance of

design

Inputs specifi c numerical value

across many fi elds

Process Limited ability to iterate

must export or create fi le from scratch

duplicates labor

Output Generate a specifi c estimate

rather than a range

Advantages More nuaned HVAC

evaluation

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

29

CONTENTS

I IntroductionA

NA

LYS

IS T

OO

LS

V Integrating the Process

VI Discussion

II Thermal Modeling - THERM

III Energy Modeling - Insight360

IV Life Cycle Assessment - Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

30

LIFE CYCLE ASSESSMENT (LCA)Scientifi c method for measuring the potential cradle to grave or cradle to cradle

environmental footprint of materials products and services over their entire life-

time

IMAGE CREDIT IRISH GREEN BUILDING COUNCIL

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

31

WHY - Cradle to Grave ImpactsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

32

WHY - Impact CategoriesLIFE CYCLE ASSESSMENT (LCA)

bull Global Warming Potential

bull Ozone Depletion Potential

bull Acidifi cation Potential

bull Eutrophication Potential

bull Formation of Tropospheric Ozone (Smog) Potential

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

33

WHY - Cradle to Grave ImpactsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

34

WHY - Impact CategoriesLIFE CYCLE ASSESSMENT (LCA)

WE HAVE 35 YEARS TO GET TO ZERO CARBON

SO WHY ARE WE STILL MEASURING IMPACTS

BASED ON A BUILDINGrsquoS FULL LIFESPAN

-Architecture2030

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

35

LIFE CYCLE ASSESSMENT (LCA)

INPUTS ASSESSMENT OUTPUTS

Material

Attributes amp

Quantity

Materialrsquos GWP

multiplierx

x

x

x

x

x

=

=

=

=

=

=

Materialrsquos ODP

multiplier

Materialrsquos AP

multiplier

Materialrsquos EP

multiplier

Materialrsquos TOP

multiplier

Materialrsquos NRDP

multiplier

Global Warming Potential

in kg CO2e

Ozone Depletion Potential

in kg CFC-11

Acidification Potential

in kg SO2

Eutrophication Potential

in kg nitrogen or kg phosphate

Tropospheric Ozone Potential

in kg NOx or kg O3 eq

Non-renewable Resource

Depletion Potential

in MJ

Project Location

and Service Life

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

36

ImplementationLIFE CYCLE ASSESSMENT (LCA)

Excel Spreadsheet

Environmental Product Declaration

Analysis Software Tools

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

37

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

38

HOW - Window ProductsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

39

DEFINE GLAZING

DEFINE WINDOW FRAME

CHOOSE FROM MATERIAL

DROPDOWN

OPTION TO DEFINE MATERIAL

TAKEOFF METHOD

OPTION TO DEFINE SERVICE

LIFE OF EACH ELEMENT

MATERIAL OPTIONS WITH EPDS

ARE NOTED

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

40

FINALIZE PROJECT SETTINGS

OPTION TO INCLUDE OPERATIONAL ENERGY

OPTION TO INCLUDE CONSTRUCTION IMPACTS

HOW - Window ProductsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

41

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

42

HOW - Structural System SelectionIMPLEMENTATION - LCA SOFTWARE

Compare an equivalent 30rsquo x 30rsquo structural bay constructed of

I Concrete columns beams and slab

II Steel columns beams and joists with concrete on metal deck

III Glulam columns and beams with wood infi ll and a concrete topping slab

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

43

HOW - Structural Systems ComparisonIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

44

HOW - Structural Systems ComparisonIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

45

bull 115000 sf existing building from the 1970s

bull Brick cladding and concrete structural system

bull Comprehensive renovation including new systems and partition walls

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

46

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

47

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

48

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

49

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

50

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

Total embodied Global Warming Potential of renovation = 782118 kgCO2eq

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

51

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

Total embodied Global Warming Potential of renovation = 782118 kgCO2eq

It takes = ~2 years of operation for the improved operational effi ciency to payback the renovation impacts

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

52

OVERVIEW

I IntroductionA

NA

LYS

IS T

OO

LS

V Integrating the Process

VI Discussion

II Thermal Modeling - THERM

III Energy Modeling - Insight360

IV Life Cycle Assessment - Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

53

ANALYTICAL WORKFLOW INTEGRATIONPROPOSAL CONCEPTS SCHEMATIC DESIGN

DEVELOPMENT

CONSTRUCTION

DOCUMENTS

CONSTRUCTION

ADMINISTRATION

OCCUPANCY

THERMAL

ANALYSIS

ENERGY

ANALYSIS

LIFE CYCLE

ANALYSIS

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

54

Integrating tools into the envelope design processANALYTICAL WORKFLOW

BIM Model

Detailed

Energy Model DETERMINE PROJECTED ENERGY CONSUMPTION

Whole building analysis

WUFIDETERMINE HYGROTHERMAL PERFORMANCE OF ENVELOPE

Whole building analysis

ThermDETERMINE PSI VALUES AT ANY POTENTIAL THERMAL BRIDGES

Slab details

Slab details at exterior wall

Exterior wall amp window details

Roof details at exterior wall

Roof details

Insight360 DETERMINE R-VALUE OF EACH COMPONENT

Slab Defi ne assembly

Wall Defi ne opaque wall assembly

Defi ne glazing components

Defi ne window-to-wall ratio

Roof Defi ne assembly

Tally DETERMINE EMBODIED CARBON OF ENVELOPE

Bill of materials Slab assembly

Exterior wall assembly

Glazing components

Roof assembly

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

55

How can tools be integrated differently through the design and construction process

What is the best workfl ow for collaborative design using analytic tools

What tools do you wish were available

Have you engaged in knowledge sharing or education about analytical tools

What tools make the biggest impact on the performance of the fi nal building

What tools best communicate the urgency of high performance low-carbon design to clients

Should certain tools be used exclusively by certain members of the design team

DISCUSSION

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

29

CONTENTS

I IntroductionA

NA

LYS

IS T

OO

LS

V Integrating the Process

VI Discussion

II Thermal Modeling - THERM

III Energy Modeling - Insight360

IV Life Cycle Assessment - Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

30

LIFE CYCLE ASSESSMENT (LCA)Scientifi c method for measuring the potential cradle to grave or cradle to cradle

environmental footprint of materials products and services over their entire life-

time

IMAGE CREDIT IRISH GREEN BUILDING COUNCIL

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

31

WHY - Cradle to Grave ImpactsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

32

WHY - Impact CategoriesLIFE CYCLE ASSESSMENT (LCA)

bull Global Warming Potential

bull Ozone Depletion Potential

bull Acidifi cation Potential

bull Eutrophication Potential

bull Formation of Tropospheric Ozone (Smog) Potential

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

33

WHY - Cradle to Grave ImpactsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

34

WHY - Impact CategoriesLIFE CYCLE ASSESSMENT (LCA)

WE HAVE 35 YEARS TO GET TO ZERO CARBON

SO WHY ARE WE STILL MEASURING IMPACTS

BASED ON A BUILDINGrsquoS FULL LIFESPAN

-Architecture2030

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

35

LIFE CYCLE ASSESSMENT (LCA)

INPUTS ASSESSMENT OUTPUTS

Material

Attributes amp

Quantity

Materialrsquos GWP

multiplierx

x

x

x

x

x

=

=

=

=

=

=

Materialrsquos ODP

multiplier

Materialrsquos AP

multiplier

Materialrsquos EP

multiplier

Materialrsquos TOP

multiplier

Materialrsquos NRDP

multiplier

Global Warming Potential

in kg CO2e

Ozone Depletion Potential

in kg CFC-11

Acidification Potential

in kg SO2

Eutrophication Potential

in kg nitrogen or kg phosphate

Tropospheric Ozone Potential

in kg NOx or kg O3 eq

Non-renewable Resource

Depletion Potential

in MJ

Project Location

and Service Life

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

36

ImplementationLIFE CYCLE ASSESSMENT (LCA)

Excel Spreadsheet

Environmental Product Declaration

Analysis Software Tools

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

37

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

38

HOW - Window ProductsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

39

DEFINE GLAZING

DEFINE WINDOW FRAME

CHOOSE FROM MATERIAL

DROPDOWN

OPTION TO DEFINE MATERIAL

TAKEOFF METHOD

OPTION TO DEFINE SERVICE

LIFE OF EACH ELEMENT

MATERIAL OPTIONS WITH EPDS

ARE NOTED

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

40

FINALIZE PROJECT SETTINGS

OPTION TO INCLUDE OPERATIONAL ENERGY

OPTION TO INCLUDE CONSTRUCTION IMPACTS

HOW - Window ProductsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

41

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

42

HOW - Structural System SelectionIMPLEMENTATION - LCA SOFTWARE

Compare an equivalent 30rsquo x 30rsquo structural bay constructed of

I Concrete columns beams and slab

II Steel columns beams and joists with concrete on metal deck

III Glulam columns and beams with wood infi ll and a concrete topping slab

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

43

HOW - Structural Systems ComparisonIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

44

HOW - Structural Systems ComparisonIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

45

bull 115000 sf existing building from the 1970s

bull Brick cladding and concrete structural system

bull Comprehensive renovation including new systems and partition walls

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

46

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

47

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

48

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

49

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

50

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

Total embodied Global Warming Potential of renovation = 782118 kgCO2eq

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

51

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

Total embodied Global Warming Potential of renovation = 782118 kgCO2eq

It takes = ~2 years of operation for the improved operational effi ciency to payback the renovation impacts

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

52

OVERVIEW

I IntroductionA

NA

LYS

IS T

OO

LS

V Integrating the Process

VI Discussion

II Thermal Modeling - THERM

III Energy Modeling - Insight360

IV Life Cycle Assessment - Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

53

ANALYTICAL WORKFLOW INTEGRATIONPROPOSAL CONCEPTS SCHEMATIC DESIGN

DEVELOPMENT

CONSTRUCTION

DOCUMENTS

CONSTRUCTION

ADMINISTRATION

OCCUPANCY

THERMAL

ANALYSIS

ENERGY

ANALYSIS

LIFE CYCLE

ANALYSIS

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

54

Integrating tools into the envelope design processANALYTICAL WORKFLOW

BIM Model

Detailed

Energy Model DETERMINE PROJECTED ENERGY CONSUMPTION

Whole building analysis

WUFIDETERMINE HYGROTHERMAL PERFORMANCE OF ENVELOPE

Whole building analysis

ThermDETERMINE PSI VALUES AT ANY POTENTIAL THERMAL BRIDGES

Slab details

Slab details at exterior wall

Exterior wall amp window details

Roof details at exterior wall

Roof details

Insight360 DETERMINE R-VALUE OF EACH COMPONENT

Slab Defi ne assembly

Wall Defi ne opaque wall assembly

Defi ne glazing components

Defi ne window-to-wall ratio

Roof Defi ne assembly

Tally DETERMINE EMBODIED CARBON OF ENVELOPE

Bill of materials Slab assembly

Exterior wall assembly

Glazing components

Roof assembly

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

55

How can tools be integrated differently through the design and construction process

What is the best workfl ow for collaborative design using analytic tools

What tools do you wish were available

Have you engaged in knowledge sharing or education about analytical tools

What tools make the biggest impact on the performance of the fi nal building

What tools best communicate the urgency of high performance low-carbon design to clients

Should certain tools be used exclusively by certain members of the design team

DISCUSSION

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

30

LIFE CYCLE ASSESSMENT (LCA)Scientifi c method for measuring the potential cradle to grave or cradle to cradle

environmental footprint of materials products and services over their entire life-

time

IMAGE CREDIT IRISH GREEN BUILDING COUNCIL

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

31

WHY - Cradle to Grave ImpactsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

32

WHY - Impact CategoriesLIFE CYCLE ASSESSMENT (LCA)

bull Global Warming Potential

bull Ozone Depletion Potential

bull Acidifi cation Potential

bull Eutrophication Potential

bull Formation of Tropospheric Ozone (Smog) Potential

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

33

WHY - Cradle to Grave ImpactsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

34

WHY - Impact CategoriesLIFE CYCLE ASSESSMENT (LCA)

WE HAVE 35 YEARS TO GET TO ZERO CARBON

SO WHY ARE WE STILL MEASURING IMPACTS

BASED ON A BUILDINGrsquoS FULL LIFESPAN

-Architecture2030

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

35

LIFE CYCLE ASSESSMENT (LCA)

INPUTS ASSESSMENT OUTPUTS

Material

Attributes amp

Quantity

Materialrsquos GWP

multiplierx

x

x

x

x

x

=

=

=

=

=

=

Materialrsquos ODP

multiplier

Materialrsquos AP

multiplier

Materialrsquos EP

multiplier

Materialrsquos TOP

multiplier

Materialrsquos NRDP

multiplier

Global Warming Potential

in kg CO2e

Ozone Depletion Potential

in kg CFC-11

Acidification Potential

in kg SO2

Eutrophication Potential

in kg nitrogen or kg phosphate

Tropospheric Ozone Potential

in kg NOx or kg O3 eq

Non-renewable Resource

Depletion Potential

in MJ

Project Location

and Service Life

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

36

ImplementationLIFE CYCLE ASSESSMENT (LCA)

Excel Spreadsheet

Environmental Product Declaration

Analysis Software Tools

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

37

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

38

HOW - Window ProductsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

39

DEFINE GLAZING

DEFINE WINDOW FRAME

CHOOSE FROM MATERIAL

DROPDOWN

OPTION TO DEFINE MATERIAL

TAKEOFF METHOD

OPTION TO DEFINE SERVICE

LIFE OF EACH ELEMENT

MATERIAL OPTIONS WITH EPDS

ARE NOTED

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

40

FINALIZE PROJECT SETTINGS

OPTION TO INCLUDE OPERATIONAL ENERGY

OPTION TO INCLUDE CONSTRUCTION IMPACTS

HOW - Window ProductsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

41

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

42

HOW - Structural System SelectionIMPLEMENTATION - LCA SOFTWARE

Compare an equivalent 30rsquo x 30rsquo structural bay constructed of

I Concrete columns beams and slab

II Steel columns beams and joists with concrete on metal deck

III Glulam columns and beams with wood infi ll and a concrete topping slab

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

43

HOW - Structural Systems ComparisonIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

44

HOW - Structural Systems ComparisonIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

45

bull 115000 sf existing building from the 1970s

bull Brick cladding and concrete structural system

bull Comprehensive renovation including new systems and partition walls

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

46

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

47

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

48

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

49

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

50

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

Total embodied Global Warming Potential of renovation = 782118 kgCO2eq

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

51

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

Total embodied Global Warming Potential of renovation = 782118 kgCO2eq

It takes = ~2 years of operation for the improved operational effi ciency to payback the renovation impacts

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

52

OVERVIEW

I IntroductionA

NA

LYS

IS T

OO

LS

V Integrating the Process

VI Discussion

II Thermal Modeling - THERM

III Energy Modeling - Insight360

IV Life Cycle Assessment - Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

53

ANALYTICAL WORKFLOW INTEGRATIONPROPOSAL CONCEPTS SCHEMATIC DESIGN

DEVELOPMENT

CONSTRUCTION

DOCUMENTS

CONSTRUCTION

ADMINISTRATION

OCCUPANCY

THERMAL

ANALYSIS

ENERGY

ANALYSIS

LIFE CYCLE

ANALYSIS

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

54

Integrating tools into the envelope design processANALYTICAL WORKFLOW

BIM Model

Detailed

Energy Model DETERMINE PROJECTED ENERGY CONSUMPTION

Whole building analysis

WUFIDETERMINE HYGROTHERMAL PERFORMANCE OF ENVELOPE

Whole building analysis

ThermDETERMINE PSI VALUES AT ANY POTENTIAL THERMAL BRIDGES

Slab details

Slab details at exterior wall

Exterior wall amp window details

Roof details at exterior wall

Roof details

Insight360 DETERMINE R-VALUE OF EACH COMPONENT

Slab Defi ne assembly

Wall Defi ne opaque wall assembly

Defi ne glazing components

Defi ne window-to-wall ratio

Roof Defi ne assembly

Tally DETERMINE EMBODIED CARBON OF ENVELOPE

Bill of materials Slab assembly

Exterior wall assembly

Glazing components

Roof assembly

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

55

How can tools be integrated differently through the design and construction process

What is the best workfl ow for collaborative design using analytic tools

What tools do you wish were available

Have you engaged in knowledge sharing or education about analytical tools

What tools make the biggest impact on the performance of the fi nal building

What tools best communicate the urgency of high performance low-carbon design to clients

Should certain tools be used exclusively by certain members of the design team

DISCUSSION

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

31

WHY - Cradle to Grave ImpactsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

32

WHY - Impact CategoriesLIFE CYCLE ASSESSMENT (LCA)

bull Global Warming Potential

bull Ozone Depletion Potential

bull Acidifi cation Potential

bull Eutrophication Potential

bull Formation of Tropospheric Ozone (Smog) Potential

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

33

WHY - Cradle to Grave ImpactsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

34

WHY - Impact CategoriesLIFE CYCLE ASSESSMENT (LCA)

WE HAVE 35 YEARS TO GET TO ZERO CARBON

SO WHY ARE WE STILL MEASURING IMPACTS

BASED ON A BUILDINGrsquoS FULL LIFESPAN

-Architecture2030

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

35

LIFE CYCLE ASSESSMENT (LCA)

INPUTS ASSESSMENT OUTPUTS

Material

Attributes amp

Quantity

Materialrsquos GWP

multiplierx

x

x

x

x

x

=

=

=

=

=

=

Materialrsquos ODP

multiplier

Materialrsquos AP

multiplier

Materialrsquos EP

multiplier

Materialrsquos TOP

multiplier

Materialrsquos NRDP

multiplier

Global Warming Potential

in kg CO2e

Ozone Depletion Potential

in kg CFC-11

Acidification Potential

in kg SO2

Eutrophication Potential

in kg nitrogen or kg phosphate

Tropospheric Ozone Potential

in kg NOx or kg O3 eq

Non-renewable Resource

Depletion Potential

in MJ

Project Location

and Service Life

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

36

ImplementationLIFE CYCLE ASSESSMENT (LCA)

Excel Spreadsheet

Environmental Product Declaration

Analysis Software Tools

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

37

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

38

HOW - Window ProductsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

39

DEFINE GLAZING

DEFINE WINDOW FRAME

CHOOSE FROM MATERIAL

DROPDOWN

OPTION TO DEFINE MATERIAL

TAKEOFF METHOD

OPTION TO DEFINE SERVICE

LIFE OF EACH ELEMENT

MATERIAL OPTIONS WITH EPDS

ARE NOTED

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

40

FINALIZE PROJECT SETTINGS

OPTION TO INCLUDE OPERATIONAL ENERGY

OPTION TO INCLUDE CONSTRUCTION IMPACTS

HOW - Window ProductsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

41

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

42

HOW - Structural System SelectionIMPLEMENTATION - LCA SOFTWARE

Compare an equivalent 30rsquo x 30rsquo structural bay constructed of

I Concrete columns beams and slab

II Steel columns beams and joists with concrete on metal deck

III Glulam columns and beams with wood infi ll and a concrete topping slab

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

43

HOW - Structural Systems ComparisonIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

44

HOW - Structural Systems ComparisonIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

45

bull 115000 sf existing building from the 1970s

bull Brick cladding and concrete structural system

bull Comprehensive renovation including new systems and partition walls

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

46

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

47

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

48

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

49

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

50

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

Total embodied Global Warming Potential of renovation = 782118 kgCO2eq

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

51

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

Total embodied Global Warming Potential of renovation = 782118 kgCO2eq

It takes = ~2 years of operation for the improved operational effi ciency to payback the renovation impacts

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

52

OVERVIEW

I IntroductionA

NA

LYS

IS T

OO

LS

V Integrating the Process

VI Discussion

II Thermal Modeling - THERM

III Energy Modeling - Insight360

IV Life Cycle Assessment - Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

53

ANALYTICAL WORKFLOW INTEGRATIONPROPOSAL CONCEPTS SCHEMATIC DESIGN

DEVELOPMENT

CONSTRUCTION

DOCUMENTS

CONSTRUCTION

ADMINISTRATION

OCCUPANCY

THERMAL

ANALYSIS

ENERGY

ANALYSIS

LIFE CYCLE

ANALYSIS

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

54

Integrating tools into the envelope design processANALYTICAL WORKFLOW

BIM Model

Detailed

Energy Model DETERMINE PROJECTED ENERGY CONSUMPTION

Whole building analysis

WUFIDETERMINE HYGROTHERMAL PERFORMANCE OF ENVELOPE

Whole building analysis

ThermDETERMINE PSI VALUES AT ANY POTENTIAL THERMAL BRIDGES

Slab details

Slab details at exterior wall

Exterior wall amp window details

Roof details at exterior wall

Roof details

Insight360 DETERMINE R-VALUE OF EACH COMPONENT

Slab Defi ne assembly

Wall Defi ne opaque wall assembly

Defi ne glazing components

Defi ne window-to-wall ratio

Roof Defi ne assembly

Tally DETERMINE EMBODIED CARBON OF ENVELOPE

Bill of materials Slab assembly

Exterior wall assembly

Glazing components

Roof assembly

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

55

How can tools be integrated differently through the design and construction process

What is the best workfl ow for collaborative design using analytic tools

What tools do you wish were available

Have you engaged in knowledge sharing or education about analytical tools

What tools make the biggest impact on the performance of the fi nal building

What tools best communicate the urgency of high performance low-carbon design to clients

Should certain tools be used exclusively by certain members of the design team

DISCUSSION

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

32

WHY - Impact CategoriesLIFE CYCLE ASSESSMENT (LCA)

bull Global Warming Potential

bull Ozone Depletion Potential

bull Acidifi cation Potential

bull Eutrophication Potential

bull Formation of Tropospheric Ozone (Smog) Potential

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

33

WHY - Cradle to Grave ImpactsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

34

WHY - Impact CategoriesLIFE CYCLE ASSESSMENT (LCA)

WE HAVE 35 YEARS TO GET TO ZERO CARBON

SO WHY ARE WE STILL MEASURING IMPACTS

BASED ON A BUILDINGrsquoS FULL LIFESPAN

-Architecture2030

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

35

LIFE CYCLE ASSESSMENT (LCA)

INPUTS ASSESSMENT OUTPUTS

Material

Attributes amp

Quantity

Materialrsquos GWP

multiplierx

x

x

x

x

x

=

=

=

=

=

=

Materialrsquos ODP

multiplier

Materialrsquos AP

multiplier

Materialrsquos EP

multiplier

Materialrsquos TOP

multiplier

Materialrsquos NRDP

multiplier

Global Warming Potential

in kg CO2e

Ozone Depletion Potential

in kg CFC-11

Acidification Potential

in kg SO2

Eutrophication Potential

in kg nitrogen or kg phosphate

Tropospheric Ozone Potential

in kg NOx or kg O3 eq

Non-renewable Resource

Depletion Potential

in MJ

Project Location

and Service Life

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

36

ImplementationLIFE CYCLE ASSESSMENT (LCA)

Excel Spreadsheet

Environmental Product Declaration

Analysis Software Tools

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

37

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

38

HOW - Window ProductsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

39

DEFINE GLAZING

DEFINE WINDOW FRAME

CHOOSE FROM MATERIAL

DROPDOWN

OPTION TO DEFINE MATERIAL

TAKEOFF METHOD

OPTION TO DEFINE SERVICE

LIFE OF EACH ELEMENT

MATERIAL OPTIONS WITH EPDS

ARE NOTED

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

40

FINALIZE PROJECT SETTINGS

OPTION TO INCLUDE OPERATIONAL ENERGY

OPTION TO INCLUDE CONSTRUCTION IMPACTS

HOW - Window ProductsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

41

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

42

HOW - Structural System SelectionIMPLEMENTATION - LCA SOFTWARE

Compare an equivalent 30rsquo x 30rsquo structural bay constructed of

I Concrete columns beams and slab

II Steel columns beams and joists with concrete on metal deck

III Glulam columns and beams with wood infi ll and a concrete topping slab

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

43

HOW - Structural Systems ComparisonIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

44

HOW - Structural Systems ComparisonIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

45

bull 115000 sf existing building from the 1970s

bull Brick cladding and concrete structural system

bull Comprehensive renovation including new systems and partition walls

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

46

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

47

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

48

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

49

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

50

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

Total embodied Global Warming Potential of renovation = 782118 kgCO2eq

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

51

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

Total embodied Global Warming Potential of renovation = 782118 kgCO2eq

It takes = ~2 years of operation for the improved operational effi ciency to payback the renovation impacts

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

52

OVERVIEW

I IntroductionA

NA

LYS

IS T

OO

LS

V Integrating the Process

VI Discussion

II Thermal Modeling - THERM

III Energy Modeling - Insight360

IV Life Cycle Assessment - Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

53

ANALYTICAL WORKFLOW INTEGRATIONPROPOSAL CONCEPTS SCHEMATIC DESIGN

DEVELOPMENT

CONSTRUCTION

DOCUMENTS

CONSTRUCTION

ADMINISTRATION

OCCUPANCY

THERMAL

ANALYSIS

ENERGY

ANALYSIS

LIFE CYCLE

ANALYSIS

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

54

Integrating tools into the envelope design processANALYTICAL WORKFLOW

BIM Model

Detailed

Energy Model DETERMINE PROJECTED ENERGY CONSUMPTION

Whole building analysis

WUFIDETERMINE HYGROTHERMAL PERFORMANCE OF ENVELOPE

Whole building analysis

ThermDETERMINE PSI VALUES AT ANY POTENTIAL THERMAL BRIDGES

Slab details

Slab details at exterior wall

Exterior wall amp window details

Roof details at exterior wall

Roof details

Insight360 DETERMINE R-VALUE OF EACH COMPONENT

Slab Defi ne assembly

Wall Defi ne opaque wall assembly

Defi ne glazing components

Defi ne window-to-wall ratio

Roof Defi ne assembly

Tally DETERMINE EMBODIED CARBON OF ENVELOPE

Bill of materials Slab assembly

Exterior wall assembly

Glazing components

Roof assembly

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

55

How can tools be integrated differently through the design and construction process

What is the best workfl ow for collaborative design using analytic tools

What tools do you wish were available

Have you engaged in knowledge sharing or education about analytical tools

What tools make the biggest impact on the performance of the fi nal building

What tools best communicate the urgency of high performance low-carbon design to clients

Should certain tools be used exclusively by certain members of the design team

DISCUSSION

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

33

WHY - Cradle to Grave ImpactsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

34

WHY - Impact CategoriesLIFE CYCLE ASSESSMENT (LCA)

WE HAVE 35 YEARS TO GET TO ZERO CARBON

SO WHY ARE WE STILL MEASURING IMPACTS

BASED ON A BUILDINGrsquoS FULL LIFESPAN

-Architecture2030

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

35

LIFE CYCLE ASSESSMENT (LCA)

INPUTS ASSESSMENT OUTPUTS

Material

Attributes amp

Quantity

Materialrsquos GWP

multiplierx

x

x

x

x

x

=

=

=

=

=

=

Materialrsquos ODP

multiplier

Materialrsquos AP

multiplier

Materialrsquos EP

multiplier

Materialrsquos TOP

multiplier

Materialrsquos NRDP

multiplier

Global Warming Potential

in kg CO2e

Ozone Depletion Potential

in kg CFC-11

Acidification Potential

in kg SO2

Eutrophication Potential

in kg nitrogen or kg phosphate

Tropospheric Ozone Potential

in kg NOx or kg O3 eq

Non-renewable Resource

Depletion Potential

in MJ

Project Location

and Service Life

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

36

ImplementationLIFE CYCLE ASSESSMENT (LCA)

Excel Spreadsheet

Environmental Product Declaration

Analysis Software Tools

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

37

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

38

HOW - Window ProductsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

39

DEFINE GLAZING

DEFINE WINDOW FRAME

CHOOSE FROM MATERIAL

DROPDOWN

OPTION TO DEFINE MATERIAL

TAKEOFF METHOD

OPTION TO DEFINE SERVICE

LIFE OF EACH ELEMENT

MATERIAL OPTIONS WITH EPDS

ARE NOTED

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

40

FINALIZE PROJECT SETTINGS

OPTION TO INCLUDE OPERATIONAL ENERGY

OPTION TO INCLUDE CONSTRUCTION IMPACTS

HOW - Window ProductsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

41

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

42

HOW - Structural System SelectionIMPLEMENTATION - LCA SOFTWARE

Compare an equivalent 30rsquo x 30rsquo structural bay constructed of

I Concrete columns beams and slab

II Steel columns beams and joists with concrete on metal deck

III Glulam columns and beams with wood infi ll and a concrete topping slab

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

43

HOW - Structural Systems ComparisonIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

44

HOW - Structural Systems ComparisonIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

45

bull 115000 sf existing building from the 1970s

bull Brick cladding and concrete structural system

bull Comprehensive renovation including new systems and partition walls

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

46

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

47

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

48

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

49

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

50

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

Total embodied Global Warming Potential of renovation = 782118 kgCO2eq

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

51

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

Total embodied Global Warming Potential of renovation = 782118 kgCO2eq

It takes = ~2 years of operation for the improved operational effi ciency to payback the renovation impacts

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

52

OVERVIEW

I IntroductionA

NA

LYS

IS T

OO

LS

V Integrating the Process

VI Discussion

II Thermal Modeling - THERM

III Energy Modeling - Insight360

IV Life Cycle Assessment - Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

53

ANALYTICAL WORKFLOW INTEGRATIONPROPOSAL CONCEPTS SCHEMATIC DESIGN

DEVELOPMENT

CONSTRUCTION

DOCUMENTS

CONSTRUCTION

ADMINISTRATION

OCCUPANCY

THERMAL

ANALYSIS

ENERGY

ANALYSIS

LIFE CYCLE

ANALYSIS

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

54

Integrating tools into the envelope design processANALYTICAL WORKFLOW

BIM Model

Detailed

Energy Model DETERMINE PROJECTED ENERGY CONSUMPTION

Whole building analysis

WUFIDETERMINE HYGROTHERMAL PERFORMANCE OF ENVELOPE

Whole building analysis

ThermDETERMINE PSI VALUES AT ANY POTENTIAL THERMAL BRIDGES

Slab details

Slab details at exterior wall

Exterior wall amp window details

Roof details at exterior wall

Roof details

Insight360 DETERMINE R-VALUE OF EACH COMPONENT

Slab Defi ne assembly

Wall Defi ne opaque wall assembly

Defi ne glazing components

Defi ne window-to-wall ratio

Roof Defi ne assembly

Tally DETERMINE EMBODIED CARBON OF ENVELOPE

Bill of materials Slab assembly

Exterior wall assembly

Glazing components

Roof assembly

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

55

How can tools be integrated differently through the design and construction process

What is the best workfl ow for collaborative design using analytic tools

What tools do you wish were available

Have you engaged in knowledge sharing or education about analytical tools

What tools make the biggest impact on the performance of the fi nal building

What tools best communicate the urgency of high performance low-carbon design to clients

Should certain tools be used exclusively by certain members of the design team

DISCUSSION

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

34

WHY - Impact CategoriesLIFE CYCLE ASSESSMENT (LCA)

WE HAVE 35 YEARS TO GET TO ZERO CARBON

SO WHY ARE WE STILL MEASURING IMPACTS

BASED ON A BUILDINGrsquoS FULL LIFESPAN

-Architecture2030

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

35

LIFE CYCLE ASSESSMENT (LCA)

INPUTS ASSESSMENT OUTPUTS

Material

Attributes amp

Quantity

Materialrsquos GWP

multiplierx

x

x

x

x

x

=

=

=

=

=

=

Materialrsquos ODP

multiplier

Materialrsquos AP

multiplier

Materialrsquos EP

multiplier

Materialrsquos TOP

multiplier

Materialrsquos NRDP

multiplier

Global Warming Potential

in kg CO2e

Ozone Depletion Potential

in kg CFC-11

Acidification Potential

in kg SO2

Eutrophication Potential

in kg nitrogen or kg phosphate

Tropospheric Ozone Potential

in kg NOx or kg O3 eq

Non-renewable Resource

Depletion Potential

in MJ

Project Location

and Service Life

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

36

ImplementationLIFE CYCLE ASSESSMENT (LCA)

Excel Spreadsheet

Environmental Product Declaration

Analysis Software Tools

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

37

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

38

HOW - Window ProductsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

39

DEFINE GLAZING

DEFINE WINDOW FRAME

CHOOSE FROM MATERIAL

DROPDOWN

OPTION TO DEFINE MATERIAL

TAKEOFF METHOD

OPTION TO DEFINE SERVICE

LIFE OF EACH ELEMENT

MATERIAL OPTIONS WITH EPDS

ARE NOTED

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

40

FINALIZE PROJECT SETTINGS

OPTION TO INCLUDE OPERATIONAL ENERGY

OPTION TO INCLUDE CONSTRUCTION IMPACTS

HOW - Window ProductsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

41

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

42

HOW - Structural System SelectionIMPLEMENTATION - LCA SOFTWARE

Compare an equivalent 30rsquo x 30rsquo structural bay constructed of

I Concrete columns beams and slab

II Steel columns beams and joists with concrete on metal deck

III Glulam columns and beams with wood infi ll and a concrete topping slab

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

43

HOW - Structural Systems ComparisonIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

44

HOW - Structural Systems ComparisonIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

45

bull 115000 sf existing building from the 1970s

bull Brick cladding and concrete structural system

bull Comprehensive renovation including new systems and partition walls

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

46

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

47

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

48

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

49

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

50

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

Total embodied Global Warming Potential of renovation = 782118 kgCO2eq

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

51

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

Total embodied Global Warming Potential of renovation = 782118 kgCO2eq

It takes = ~2 years of operation for the improved operational effi ciency to payback the renovation impacts

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

52

OVERVIEW

I IntroductionA

NA

LYS

IS T

OO

LS

V Integrating the Process

VI Discussion

II Thermal Modeling - THERM

III Energy Modeling - Insight360

IV Life Cycle Assessment - Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

53

ANALYTICAL WORKFLOW INTEGRATIONPROPOSAL CONCEPTS SCHEMATIC DESIGN

DEVELOPMENT

CONSTRUCTION

DOCUMENTS

CONSTRUCTION

ADMINISTRATION

OCCUPANCY

THERMAL

ANALYSIS

ENERGY

ANALYSIS

LIFE CYCLE

ANALYSIS

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

54

Integrating tools into the envelope design processANALYTICAL WORKFLOW

BIM Model

Detailed

Energy Model DETERMINE PROJECTED ENERGY CONSUMPTION

Whole building analysis

WUFIDETERMINE HYGROTHERMAL PERFORMANCE OF ENVELOPE

Whole building analysis

ThermDETERMINE PSI VALUES AT ANY POTENTIAL THERMAL BRIDGES

Slab details

Slab details at exterior wall

Exterior wall amp window details

Roof details at exterior wall

Roof details

Insight360 DETERMINE R-VALUE OF EACH COMPONENT

Slab Defi ne assembly

Wall Defi ne opaque wall assembly

Defi ne glazing components

Defi ne window-to-wall ratio

Roof Defi ne assembly

Tally DETERMINE EMBODIED CARBON OF ENVELOPE

Bill of materials Slab assembly

Exterior wall assembly

Glazing components

Roof assembly

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

55

How can tools be integrated differently through the design and construction process

What is the best workfl ow for collaborative design using analytic tools

What tools do you wish were available

Have you engaged in knowledge sharing or education about analytical tools

What tools make the biggest impact on the performance of the fi nal building

What tools best communicate the urgency of high performance low-carbon design to clients

Should certain tools be used exclusively by certain members of the design team

DISCUSSION

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

35

LIFE CYCLE ASSESSMENT (LCA)

INPUTS ASSESSMENT OUTPUTS

Material

Attributes amp

Quantity

Materialrsquos GWP

multiplierx

x

x

x

x

x

=

=

=

=

=

=

Materialrsquos ODP

multiplier

Materialrsquos AP

multiplier

Materialrsquos EP

multiplier

Materialrsquos TOP

multiplier

Materialrsquos NRDP

multiplier

Global Warming Potential

in kg CO2e

Ozone Depletion Potential

in kg CFC-11

Acidification Potential

in kg SO2

Eutrophication Potential

in kg nitrogen or kg phosphate

Tropospheric Ozone Potential

in kg NOx or kg O3 eq

Non-renewable Resource

Depletion Potential

in MJ

Project Location

and Service Life

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

36

ImplementationLIFE CYCLE ASSESSMENT (LCA)

Excel Spreadsheet

Environmental Product Declaration

Analysis Software Tools

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

37

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

38

HOW - Window ProductsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

39

DEFINE GLAZING

DEFINE WINDOW FRAME

CHOOSE FROM MATERIAL

DROPDOWN

OPTION TO DEFINE MATERIAL

TAKEOFF METHOD

OPTION TO DEFINE SERVICE

LIFE OF EACH ELEMENT

MATERIAL OPTIONS WITH EPDS

ARE NOTED

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

40

FINALIZE PROJECT SETTINGS

OPTION TO INCLUDE OPERATIONAL ENERGY

OPTION TO INCLUDE CONSTRUCTION IMPACTS

HOW - Window ProductsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

41

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

42

HOW - Structural System SelectionIMPLEMENTATION - LCA SOFTWARE

Compare an equivalent 30rsquo x 30rsquo structural bay constructed of

I Concrete columns beams and slab

II Steel columns beams and joists with concrete on metal deck

III Glulam columns and beams with wood infi ll and a concrete topping slab

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

43

HOW - Structural Systems ComparisonIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

44

HOW - Structural Systems ComparisonIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

45

bull 115000 sf existing building from the 1970s

bull Brick cladding and concrete structural system

bull Comprehensive renovation including new systems and partition walls

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

46

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

47

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

48

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

49

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

50

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

Total embodied Global Warming Potential of renovation = 782118 kgCO2eq

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

51

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

Total embodied Global Warming Potential of renovation = 782118 kgCO2eq

It takes = ~2 years of operation for the improved operational effi ciency to payback the renovation impacts

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

52

OVERVIEW

I IntroductionA

NA

LYS

IS T

OO

LS

V Integrating the Process

VI Discussion

II Thermal Modeling - THERM

III Energy Modeling - Insight360

IV Life Cycle Assessment - Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

53

ANALYTICAL WORKFLOW INTEGRATIONPROPOSAL CONCEPTS SCHEMATIC DESIGN

DEVELOPMENT

CONSTRUCTION

DOCUMENTS

CONSTRUCTION

ADMINISTRATION

OCCUPANCY

THERMAL

ANALYSIS

ENERGY

ANALYSIS

LIFE CYCLE

ANALYSIS

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

54

Integrating tools into the envelope design processANALYTICAL WORKFLOW

BIM Model

Detailed

Energy Model DETERMINE PROJECTED ENERGY CONSUMPTION

Whole building analysis

WUFIDETERMINE HYGROTHERMAL PERFORMANCE OF ENVELOPE

Whole building analysis

ThermDETERMINE PSI VALUES AT ANY POTENTIAL THERMAL BRIDGES

Slab details

Slab details at exterior wall

Exterior wall amp window details

Roof details at exterior wall

Roof details

Insight360 DETERMINE R-VALUE OF EACH COMPONENT

Slab Defi ne assembly

Wall Defi ne opaque wall assembly

Defi ne glazing components

Defi ne window-to-wall ratio

Roof Defi ne assembly

Tally DETERMINE EMBODIED CARBON OF ENVELOPE

Bill of materials Slab assembly

Exterior wall assembly

Glazing components

Roof assembly

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

55

How can tools be integrated differently through the design and construction process

What is the best workfl ow for collaborative design using analytic tools

What tools do you wish were available

Have you engaged in knowledge sharing or education about analytical tools

What tools make the biggest impact on the performance of the fi nal building

What tools best communicate the urgency of high performance low-carbon design to clients

Should certain tools be used exclusively by certain members of the design team

DISCUSSION

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

36

ImplementationLIFE CYCLE ASSESSMENT (LCA)

Excel Spreadsheet

Environmental Product Declaration

Analysis Software Tools

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

37

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

38

HOW - Window ProductsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

39

DEFINE GLAZING

DEFINE WINDOW FRAME

CHOOSE FROM MATERIAL

DROPDOWN

OPTION TO DEFINE MATERIAL

TAKEOFF METHOD

OPTION TO DEFINE SERVICE

LIFE OF EACH ELEMENT

MATERIAL OPTIONS WITH EPDS

ARE NOTED

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

40

FINALIZE PROJECT SETTINGS

OPTION TO INCLUDE OPERATIONAL ENERGY

OPTION TO INCLUDE CONSTRUCTION IMPACTS

HOW - Window ProductsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

41

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

42

HOW - Structural System SelectionIMPLEMENTATION - LCA SOFTWARE

Compare an equivalent 30rsquo x 30rsquo structural bay constructed of

I Concrete columns beams and slab

II Steel columns beams and joists with concrete on metal deck

III Glulam columns and beams with wood infi ll and a concrete topping slab

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

43

HOW - Structural Systems ComparisonIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

44

HOW - Structural Systems ComparisonIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

45

bull 115000 sf existing building from the 1970s

bull Brick cladding and concrete structural system

bull Comprehensive renovation including new systems and partition walls

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

46

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

47

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

48

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

49

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

50

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

Total embodied Global Warming Potential of renovation = 782118 kgCO2eq

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

51

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

Total embodied Global Warming Potential of renovation = 782118 kgCO2eq

It takes = ~2 years of operation for the improved operational effi ciency to payback the renovation impacts

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

52

OVERVIEW

I IntroductionA

NA

LYS

IS T

OO

LS

V Integrating the Process

VI Discussion

II Thermal Modeling - THERM

III Energy Modeling - Insight360

IV Life Cycle Assessment - Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

53

ANALYTICAL WORKFLOW INTEGRATIONPROPOSAL CONCEPTS SCHEMATIC DESIGN

DEVELOPMENT

CONSTRUCTION

DOCUMENTS

CONSTRUCTION

ADMINISTRATION

OCCUPANCY

THERMAL

ANALYSIS

ENERGY

ANALYSIS

LIFE CYCLE

ANALYSIS

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

54

Integrating tools into the envelope design processANALYTICAL WORKFLOW

BIM Model

Detailed

Energy Model DETERMINE PROJECTED ENERGY CONSUMPTION

Whole building analysis

WUFIDETERMINE HYGROTHERMAL PERFORMANCE OF ENVELOPE

Whole building analysis

ThermDETERMINE PSI VALUES AT ANY POTENTIAL THERMAL BRIDGES

Slab details

Slab details at exterior wall

Exterior wall amp window details

Roof details at exterior wall

Roof details

Insight360 DETERMINE R-VALUE OF EACH COMPONENT

Slab Defi ne assembly

Wall Defi ne opaque wall assembly

Defi ne glazing components

Defi ne window-to-wall ratio

Roof Defi ne assembly

Tally DETERMINE EMBODIED CARBON OF ENVELOPE

Bill of materials Slab assembly

Exterior wall assembly

Glazing components

Roof assembly

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

55

How can tools be integrated differently through the design and construction process

What is the best workfl ow for collaborative design using analytic tools

What tools do you wish were available

Have you engaged in knowledge sharing or education about analytical tools

What tools make the biggest impact on the performance of the fi nal building

What tools best communicate the urgency of high performance low-carbon design to clients

Should certain tools be used exclusively by certain members of the design team

DISCUSSION

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

37

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

38

HOW - Window ProductsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

39

DEFINE GLAZING

DEFINE WINDOW FRAME

CHOOSE FROM MATERIAL

DROPDOWN

OPTION TO DEFINE MATERIAL

TAKEOFF METHOD

OPTION TO DEFINE SERVICE

LIFE OF EACH ELEMENT

MATERIAL OPTIONS WITH EPDS

ARE NOTED

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

40

FINALIZE PROJECT SETTINGS

OPTION TO INCLUDE OPERATIONAL ENERGY

OPTION TO INCLUDE CONSTRUCTION IMPACTS

HOW - Window ProductsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

41

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

42

HOW - Structural System SelectionIMPLEMENTATION - LCA SOFTWARE

Compare an equivalent 30rsquo x 30rsquo structural bay constructed of

I Concrete columns beams and slab

II Steel columns beams and joists with concrete on metal deck

III Glulam columns and beams with wood infi ll and a concrete topping slab

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

43

HOW - Structural Systems ComparisonIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

44

HOW - Structural Systems ComparisonIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

45

bull 115000 sf existing building from the 1970s

bull Brick cladding and concrete structural system

bull Comprehensive renovation including new systems and partition walls

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

46

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

47

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

48

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

49

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

50

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

Total embodied Global Warming Potential of renovation = 782118 kgCO2eq

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

51

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

Total embodied Global Warming Potential of renovation = 782118 kgCO2eq

It takes = ~2 years of operation for the improved operational effi ciency to payback the renovation impacts

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

52

OVERVIEW

I IntroductionA

NA

LYS

IS T

OO

LS

V Integrating the Process

VI Discussion

II Thermal Modeling - THERM

III Energy Modeling - Insight360

IV Life Cycle Assessment - Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

53

ANALYTICAL WORKFLOW INTEGRATIONPROPOSAL CONCEPTS SCHEMATIC DESIGN

DEVELOPMENT

CONSTRUCTION

DOCUMENTS

CONSTRUCTION

ADMINISTRATION

OCCUPANCY

THERMAL

ANALYSIS

ENERGY

ANALYSIS

LIFE CYCLE

ANALYSIS

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

54

Integrating tools into the envelope design processANALYTICAL WORKFLOW

BIM Model

Detailed

Energy Model DETERMINE PROJECTED ENERGY CONSUMPTION

Whole building analysis

WUFIDETERMINE HYGROTHERMAL PERFORMANCE OF ENVELOPE

Whole building analysis

ThermDETERMINE PSI VALUES AT ANY POTENTIAL THERMAL BRIDGES

Slab details

Slab details at exterior wall

Exterior wall amp window details

Roof details at exterior wall

Roof details

Insight360 DETERMINE R-VALUE OF EACH COMPONENT

Slab Defi ne assembly

Wall Defi ne opaque wall assembly

Defi ne glazing components

Defi ne window-to-wall ratio

Roof Defi ne assembly

Tally DETERMINE EMBODIED CARBON OF ENVELOPE

Bill of materials Slab assembly

Exterior wall assembly

Glazing components

Roof assembly

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

55

How can tools be integrated differently through the design and construction process

What is the best workfl ow for collaborative design using analytic tools

What tools do you wish were available

Have you engaged in knowledge sharing or education about analytical tools

What tools make the biggest impact on the performance of the fi nal building

What tools best communicate the urgency of high performance low-carbon design to clients

Should certain tools be used exclusively by certain members of the design team

DISCUSSION

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

38

HOW - Window ProductsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

39

DEFINE GLAZING

DEFINE WINDOW FRAME

CHOOSE FROM MATERIAL

DROPDOWN

OPTION TO DEFINE MATERIAL

TAKEOFF METHOD

OPTION TO DEFINE SERVICE

LIFE OF EACH ELEMENT

MATERIAL OPTIONS WITH EPDS

ARE NOTED

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

40

FINALIZE PROJECT SETTINGS

OPTION TO INCLUDE OPERATIONAL ENERGY

OPTION TO INCLUDE CONSTRUCTION IMPACTS

HOW - Window ProductsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

41

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

42

HOW - Structural System SelectionIMPLEMENTATION - LCA SOFTWARE

Compare an equivalent 30rsquo x 30rsquo structural bay constructed of

I Concrete columns beams and slab

II Steel columns beams and joists with concrete on metal deck

III Glulam columns and beams with wood infi ll and a concrete topping slab

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

43

HOW - Structural Systems ComparisonIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

44

HOW - Structural Systems ComparisonIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

45

bull 115000 sf existing building from the 1970s

bull Brick cladding and concrete structural system

bull Comprehensive renovation including new systems and partition walls

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

46

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

47

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

48

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

49

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

50

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

Total embodied Global Warming Potential of renovation = 782118 kgCO2eq

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

51

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

Total embodied Global Warming Potential of renovation = 782118 kgCO2eq

It takes = ~2 years of operation for the improved operational effi ciency to payback the renovation impacts

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

52

OVERVIEW

I IntroductionA

NA

LYS

IS T

OO

LS

V Integrating the Process

VI Discussion

II Thermal Modeling - THERM

III Energy Modeling - Insight360

IV Life Cycle Assessment - Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

53

ANALYTICAL WORKFLOW INTEGRATIONPROPOSAL CONCEPTS SCHEMATIC DESIGN

DEVELOPMENT

CONSTRUCTION

DOCUMENTS

CONSTRUCTION

ADMINISTRATION

OCCUPANCY

THERMAL

ANALYSIS

ENERGY

ANALYSIS

LIFE CYCLE

ANALYSIS

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

54

Integrating tools into the envelope design processANALYTICAL WORKFLOW

BIM Model

Detailed

Energy Model DETERMINE PROJECTED ENERGY CONSUMPTION

Whole building analysis

WUFIDETERMINE HYGROTHERMAL PERFORMANCE OF ENVELOPE

Whole building analysis

ThermDETERMINE PSI VALUES AT ANY POTENTIAL THERMAL BRIDGES

Slab details

Slab details at exterior wall

Exterior wall amp window details

Roof details at exterior wall

Roof details

Insight360 DETERMINE R-VALUE OF EACH COMPONENT

Slab Defi ne assembly

Wall Defi ne opaque wall assembly

Defi ne glazing components

Defi ne window-to-wall ratio

Roof Defi ne assembly

Tally DETERMINE EMBODIED CARBON OF ENVELOPE

Bill of materials Slab assembly

Exterior wall assembly

Glazing components

Roof assembly

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

55

How can tools be integrated differently through the design and construction process

What is the best workfl ow for collaborative design using analytic tools

What tools do you wish were available

Have you engaged in knowledge sharing or education about analytical tools

What tools make the biggest impact on the performance of the fi nal building

What tools best communicate the urgency of high performance low-carbon design to clients

Should certain tools be used exclusively by certain members of the design team

DISCUSSION

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

39

DEFINE GLAZING

DEFINE WINDOW FRAME

CHOOSE FROM MATERIAL

DROPDOWN

OPTION TO DEFINE MATERIAL

TAKEOFF METHOD

OPTION TO DEFINE SERVICE

LIFE OF EACH ELEMENT

MATERIAL OPTIONS WITH EPDS

ARE NOTED

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

40

FINALIZE PROJECT SETTINGS

OPTION TO INCLUDE OPERATIONAL ENERGY

OPTION TO INCLUDE CONSTRUCTION IMPACTS

HOW - Window ProductsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

41

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

42

HOW - Structural System SelectionIMPLEMENTATION - LCA SOFTWARE

Compare an equivalent 30rsquo x 30rsquo structural bay constructed of

I Concrete columns beams and slab

II Steel columns beams and joists with concrete on metal deck

III Glulam columns and beams with wood infi ll and a concrete topping slab

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

43

HOW - Structural Systems ComparisonIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

44

HOW - Structural Systems ComparisonIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

45

bull 115000 sf existing building from the 1970s

bull Brick cladding and concrete structural system

bull Comprehensive renovation including new systems and partition walls

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

46

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

47

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

48

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

49

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

50

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

Total embodied Global Warming Potential of renovation = 782118 kgCO2eq

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

51

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

Total embodied Global Warming Potential of renovation = 782118 kgCO2eq

It takes = ~2 years of operation for the improved operational effi ciency to payback the renovation impacts

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

52

OVERVIEW

I IntroductionA

NA

LYS

IS T

OO

LS

V Integrating the Process

VI Discussion

II Thermal Modeling - THERM

III Energy Modeling - Insight360

IV Life Cycle Assessment - Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

53

ANALYTICAL WORKFLOW INTEGRATIONPROPOSAL CONCEPTS SCHEMATIC DESIGN

DEVELOPMENT

CONSTRUCTION

DOCUMENTS

CONSTRUCTION

ADMINISTRATION

OCCUPANCY

THERMAL

ANALYSIS

ENERGY

ANALYSIS

LIFE CYCLE

ANALYSIS

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

54

Integrating tools into the envelope design processANALYTICAL WORKFLOW

BIM Model

Detailed

Energy Model DETERMINE PROJECTED ENERGY CONSUMPTION

Whole building analysis

WUFIDETERMINE HYGROTHERMAL PERFORMANCE OF ENVELOPE

Whole building analysis

ThermDETERMINE PSI VALUES AT ANY POTENTIAL THERMAL BRIDGES

Slab details

Slab details at exterior wall

Exterior wall amp window details

Roof details at exterior wall

Roof details

Insight360 DETERMINE R-VALUE OF EACH COMPONENT

Slab Defi ne assembly

Wall Defi ne opaque wall assembly

Defi ne glazing components

Defi ne window-to-wall ratio

Roof Defi ne assembly

Tally DETERMINE EMBODIED CARBON OF ENVELOPE

Bill of materials Slab assembly

Exterior wall assembly

Glazing components

Roof assembly

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

55

How can tools be integrated differently through the design and construction process

What is the best workfl ow for collaborative design using analytic tools

What tools do you wish were available

Have you engaged in knowledge sharing or education about analytical tools

What tools make the biggest impact on the performance of the fi nal building

What tools best communicate the urgency of high performance low-carbon design to clients

Should certain tools be used exclusively by certain members of the design team

DISCUSSION

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

40

FINALIZE PROJECT SETTINGS

OPTION TO INCLUDE OPERATIONAL ENERGY

OPTION TO INCLUDE CONSTRUCTION IMPACTS

HOW - Window ProductsLIFE CYCLE ASSESSMENT (LCA)

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

41

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

42

HOW - Structural System SelectionIMPLEMENTATION - LCA SOFTWARE

Compare an equivalent 30rsquo x 30rsquo structural bay constructed of

I Concrete columns beams and slab

II Steel columns beams and joists with concrete on metal deck

III Glulam columns and beams with wood infi ll and a concrete topping slab

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

43

HOW - Structural Systems ComparisonIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

44

HOW - Structural Systems ComparisonIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

45

bull 115000 sf existing building from the 1970s

bull Brick cladding and concrete structural system

bull Comprehensive renovation including new systems and partition walls

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

46

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

47

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

48

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

49

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

50

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

Total embodied Global Warming Potential of renovation = 782118 kgCO2eq

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

51

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

Total embodied Global Warming Potential of renovation = 782118 kgCO2eq

It takes = ~2 years of operation for the improved operational effi ciency to payback the renovation impacts

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

52

OVERVIEW

I IntroductionA

NA

LYS

IS T

OO

LS

V Integrating the Process

VI Discussion

II Thermal Modeling - THERM

III Energy Modeling - Insight360

IV Life Cycle Assessment - Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

53

ANALYTICAL WORKFLOW INTEGRATIONPROPOSAL CONCEPTS SCHEMATIC DESIGN

DEVELOPMENT

CONSTRUCTION

DOCUMENTS

CONSTRUCTION

ADMINISTRATION

OCCUPANCY

THERMAL

ANALYSIS

ENERGY

ANALYSIS

LIFE CYCLE

ANALYSIS

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

54

Integrating tools into the envelope design processANALYTICAL WORKFLOW

BIM Model

Detailed

Energy Model DETERMINE PROJECTED ENERGY CONSUMPTION

Whole building analysis

WUFIDETERMINE HYGROTHERMAL PERFORMANCE OF ENVELOPE

Whole building analysis

ThermDETERMINE PSI VALUES AT ANY POTENTIAL THERMAL BRIDGES

Slab details

Slab details at exterior wall

Exterior wall amp window details

Roof details at exterior wall

Roof details

Insight360 DETERMINE R-VALUE OF EACH COMPONENT

Slab Defi ne assembly

Wall Defi ne opaque wall assembly

Defi ne glazing components

Defi ne window-to-wall ratio

Roof Defi ne assembly

Tally DETERMINE EMBODIED CARBON OF ENVELOPE

Bill of materials Slab assembly

Exterior wall assembly

Glazing components

Roof assembly

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

55

How can tools be integrated differently through the design and construction process

What is the best workfl ow for collaborative design using analytic tools

What tools do you wish were available

Have you engaged in knowledge sharing or education about analytical tools

What tools make the biggest impact on the performance of the fi nal building

What tools best communicate the urgency of high performance low-carbon design to clients

Should certain tools be used exclusively by certain members of the design team

DISCUSSION

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

41

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

HOW - Window ProductsIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

42

HOW - Structural System SelectionIMPLEMENTATION - LCA SOFTWARE

Compare an equivalent 30rsquo x 30rsquo structural bay constructed of

I Concrete columns beams and slab

II Steel columns beams and joists with concrete on metal deck

III Glulam columns and beams with wood infi ll and a concrete topping slab

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

43

HOW - Structural Systems ComparisonIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

44

HOW - Structural Systems ComparisonIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

45

bull 115000 sf existing building from the 1970s

bull Brick cladding and concrete structural system

bull Comprehensive renovation including new systems and partition walls

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

46

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

47

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

48

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

49

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

50

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

Total embodied Global Warming Potential of renovation = 782118 kgCO2eq

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

51

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

Total embodied Global Warming Potential of renovation = 782118 kgCO2eq

It takes = ~2 years of operation for the improved operational effi ciency to payback the renovation impacts

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

52

OVERVIEW

I IntroductionA

NA

LYS

IS T

OO

LS

V Integrating the Process

VI Discussion

II Thermal Modeling - THERM

III Energy Modeling - Insight360

IV Life Cycle Assessment - Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

53

ANALYTICAL WORKFLOW INTEGRATIONPROPOSAL CONCEPTS SCHEMATIC DESIGN

DEVELOPMENT

CONSTRUCTION

DOCUMENTS

CONSTRUCTION

ADMINISTRATION

OCCUPANCY

THERMAL

ANALYSIS

ENERGY

ANALYSIS

LIFE CYCLE

ANALYSIS

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

54

Integrating tools into the envelope design processANALYTICAL WORKFLOW

BIM Model

Detailed

Energy Model DETERMINE PROJECTED ENERGY CONSUMPTION

Whole building analysis

WUFIDETERMINE HYGROTHERMAL PERFORMANCE OF ENVELOPE

Whole building analysis

ThermDETERMINE PSI VALUES AT ANY POTENTIAL THERMAL BRIDGES

Slab details

Slab details at exterior wall

Exterior wall amp window details

Roof details at exterior wall

Roof details

Insight360 DETERMINE R-VALUE OF EACH COMPONENT

Slab Defi ne assembly

Wall Defi ne opaque wall assembly

Defi ne glazing components

Defi ne window-to-wall ratio

Roof Defi ne assembly

Tally DETERMINE EMBODIED CARBON OF ENVELOPE

Bill of materials Slab assembly

Exterior wall assembly

Glazing components

Roof assembly

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

55

How can tools be integrated differently through the design and construction process

What is the best workfl ow for collaborative design using analytic tools

What tools do you wish were available

Have you engaged in knowledge sharing or education about analytical tools

What tools make the biggest impact on the performance of the fi nal building

What tools best communicate the urgency of high performance low-carbon design to clients

Should certain tools be used exclusively by certain members of the design team

DISCUSSION

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

42

HOW - Structural System SelectionIMPLEMENTATION - LCA SOFTWARE

Compare an equivalent 30rsquo x 30rsquo structural bay constructed of

I Concrete columns beams and slab

II Steel columns beams and joists with concrete on metal deck

III Glulam columns and beams with wood infi ll and a concrete topping slab

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

43

HOW - Structural Systems ComparisonIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

44

HOW - Structural Systems ComparisonIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

45

bull 115000 sf existing building from the 1970s

bull Brick cladding and concrete structural system

bull Comprehensive renovation including new systems and partition walls

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

46

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

47

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

48

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

49

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

50

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

Total embodied Global Warming Potential of renovation = 782118 kgCO2eq

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

51

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

Total embodied Global Warming Potential of renovation = 782118 kgCO2eq

It takes = ~2 years of operation for the improved operational effi ciency to payback the renovation impacts

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

52

OVERVIEW

I IntroductionA

NA

LYS

IS T

OO

LS

V Integrating the Process

VI Discussion

II Thermal Modeling - THERM

III Energy Modeling - Insight360

IV Life Cycle Assessment - Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

53

ANALYTICAL WORKFLOW INTEGRATIONPROPOSAL CONCEPTS SCHEMATIC DESIGN

DEVELOPMENT

CONSTRUCTION

DOCUMENTS

CONSTRUCTION

ADMINISTRATION

OCCUPANCY

THERMAL

ANALYSIS

ENERGY

ANALYSIS

LIFE CYCLE

ANALYSIS

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

54

Integrating tools into the envelope design processANALYTICAL WORKFLOW

BIM Model

Detailed

Energy Model DETERMINE PROJECTED ENERGY CONSUMPTION

Whole building analysis

WUFIDETERMINE HYGROTHERMAL PERFORMANCE OF ENVELOPE

Whole building analysis

ThermDETERMINE PSI VALUES AT ANY POTENTIAL THERMAL BRIDGES

Slab details

Slab details at exterior wall

Exterior wall amp window details

Roof details at exterior wall

Roof details

Insight360 DETERMINE R-VALUE OF EACH COMPONENT

Slab Defi ne assembly

Wall Defi ne opaque wall assembly

Defi ne glazing components

Defi ne window-to-wall ratio

Roof Defi ne assembly

Tally DETERMINE EMBODIED CARBON OF ENVELOPE

Bill of materials Slab assembly

Exterior wall assembly

Glazing components

Roof assembly

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

55

How can tools be integrated differently through the design and construction process

What is the best workfl ow for collaborative design using analytic tools

What tools do you wish were available

Have you engaged in knowledge sharing or education about analytical tools

What tools make the biggest impact on the performance of the fi nal building

What tools best communicate the urgency of high performance low-carbon design to clients

Should certain tools be used exclusively by certain members of the design team

DISCUSSION

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

43

HOW - Structural Systems ComparisonIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

44

HOW - Structural Systems ComparisonIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

45

bull 115000 sf existing building from the 1970s

bull Brick cladding and concrete structural system

bull Comprehensive renovation including new systems and partition walls

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

46

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

47

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

48

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

49

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

50

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

Total embodied Global Warming Potential of renovation = 782118 kgCO2eq

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

51

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

Total embodied Global Warming Potential of renovation = 782118 kgCO2eq

It takes = ~2 years of operation for the improved operational effi ciency to payback the renovation impacts

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

52

OVERVIEW

I IntroductionA

NA

LYS

IS T

OO

LS

V Integrating the Process

VI Discussion

II Thermal Modeling - THERM

III Energy Modeling - Insight360

IV Life Cycle Assessment - Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

53

ANALYTICAL WORKFLOW INTEGRATIONPROPOSAL CONCEPTS SCHEMATIC DESIGN

DEVELOPMENT

CONSTRUCTION

DOCUMENTS

CONSTRUCTION

ADMINISTRATION

OCCUPANCY

THERMAL

ANALYSIS

ENERGY

ANALYSIS

LIFE CYCLE

ANALYSIS

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

54

Integrating tools into the envelope design processANALYTICAL WORKFLOW

BIM Model

Detailed

Energy Model DETERMINE PROJECTED ENERGY CONSUMPTION

Whole building analysis

WUFIDETERMINE HYGROTHERMAL PERFORMANCE OF ENVELOPE

Whole building analysis

ThermDETERMINE PSI VALUES AT ANY POTENTIAL THERMAL BRIDGES

Slab details

Slab details at exterior wall

Exterior wall amp window details

Roof details at exterior wall

Roof details

Insight360 DETERMINE R-VALUE OF EACH COMPONENT

Slab Defi ne assembly

Wall Defi ne opaque wall assembly

Defi ne glazing components

Defi ne window-to-wall ratio

Roof Defi ne assembly

Tally DETERMINE EMBODIED CARBON OF ENVELOPE

Bill of materials Slab assembly

Exterior wall assembly

Glazing components

Roof assembly

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

55

How can tools be integrated differently through the design and construction process

What is the best workfl ow for collaborative design using analytic tools

What tools do you wish were available

Have you engaged in knowledge sharing or education about analytical tools

What tools make the biggest impact on the performance of the fi nal building

What tools best communicate the urgency of high performance low-carbon design to clients

Should certain tools be used exclusively by certain members of the design team

DISCUSSION

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

44

HOW - Structural Systems ComparisonIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

45

bull 115000 sf existing building from the 1970s

bull Brick cladding and concrete structural system

bull Comprehensive renovation including new systems and partition walls

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

46

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

47

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

48

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

49

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

50

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

Total embodied Global Warming Potential of renovation = 782118 kgCO2eq

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

51

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

Total embodied Global Warming Potential of renovation = 782118 kgCO2eq

It takes = ~2 years of operation for the improved operational effi ciency to payback the renovation impacts

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

52

OVERVIEW

I IntroductionA

NA

LYS

IS T

OO

LS

V Integrating the Process

VI Discussion

II Thermal Modeling - THERM

III Energy Modeling - Insight360

IV Life Cycle Assessment - Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

53

ANALYTICAL WORKFLOW INTEGRATIONPROPOSAL CONCEPTS SCHEMATIC DESIGN

DEVELOPMENT

CONSTRUCTION

DOCUMENTS

CONSTRUCTION

ADMINISTRATION

OCCUPANCY

THERMAL

ANALYSIS

ENERGY

ANALYSIS

LIFE CYCLE

ANALYSIS

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

54

Integrating tools into the envelope design processANALYTICAL WORKFLOW

BIM Model

Detailed

Energy Model DETERMINE PROJECTED ENERGY CONSUMPTION

Whole building analysis

WUFIDETERMINE HYGROTHERMAL PERFORMANCE OF ENVELOPE

Whole building analysis

ThermDETERMINE PSI VALUES AT ANY POTENTIAL THERMAL BRIDGES

Slab details

Slab details at exterior wall

Exterior wall amp window details

Roof details at exterior wall

Roof details

Insight360 DETERMINE R-VALUE OF EACH COMPONENT

Slab Defi ne assembly

Wall Defi ne opaque wall assembly

Defi ne glazing components

Defi ne window-to-wall ratio

Roof Defi ne assembly

Tally DETERMINE EMBODIED CARBON OF ENVELOPE

Bill of materials Slab assembly

Exterior wall assembly

Glazing components

Roof assembly

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

55

How can tools be integrated differently through the design and construction process

What is the best workfl ow for collaborative design using analytic tools

What tools do you wish were available

Have you engaged in knowledge sharing or education about analytical tools

What tools make the biggest impact on the performance of the fi nal building

What tools best communicate the urgency of high performance low-carbon design to clients

Should certain tools be used exclusively by certain members of the design team

DISCUSSION

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

45

bull 115000 sf existing building from the 1970s

bull Brick cladding and concrete structural system

bull Comprehensive renovation including new systems and partition walls

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

46

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

47

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

48

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

49

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

50

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

Total embodied Global Warming Potential of renovation = 782118 kgCO2eq

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

51

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

Total embodied Global Warming Potential of renovation = 782118 kgCO2eq

It takes = ~2 years of operation for the improved operational effi ciency to payback the renovation impacts

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

52

OVERVIEW

I IntroductionA

NA

LYS

IS T

OO

LS

V Integrating the Process

VI Discussion

II Thermal Modeling - THERM

III Energy Modeling - Insight360

IV Life Cycle Assessment - Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

53

ANALYTICAL WORKFLOW INTEGRATIONPROPOSAL CONCEPTS SCHEMATIC DESIGN

DEVELOPMENT

CONSTRUCTION

DOCUMENTS

CONSTRUCTION

ADMINISTRATION

OCCUPANCY

THERMAL

ANALYSIS

ENERGY

ANALYSIS

LIFE CYCLE

ANALYSIS

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

54

Integrating tools into the envelope design processANALYTICAL WORKFLOW

BIM Model

Detailed

Energy Model DETERMINE PROJECTED ENERGY CONSUMPTION

Whole building analysis

WUFIDETERMINE HYGROTHERMAL PERFORMANCE OF ENVELOPE

Whole building analysis

ThermDETERMINE PSI VALUES AT ANY POTENTIAL THERMAL BRIDGES

Slab details

Slab details at exterior wall

Exterior wall amp window details

Roof details at exterior wall

Roof details

Insight360 DETERMINE R-VALUE OF EACH COMPONENT

Slab Defi ne assembly

Wall Defi ne opaque wall assembly

Defi ne glazing components

Defi ne window-to-wall ratio

Roof Defi ne assembly

Tally DETERMINE EMBODIED CARBON OF ENVELOPE

Bill of materials Slab assembly

Exterior wall assembly

Glazing components

Roof assembly

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

55

How can tools be integrated differently through the design and construction process

What is the best workfl ow for collaborative design using analytic tools

What tools do you wish were available

Have you engaged in knowledge sharing or education about analytical tools

What tools make the biggest impact on the performance of the fi nal building

What tools best communicate the urgency of high performance low-carbon design to clients

Should certain tools be used exclusively by certain members of the design team

DISCUSSION

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

46

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

47

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

48

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

49

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

50

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

Total embodied Global Warming Potential of renovation = 782118 kgCO2eq

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

51

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

Total embodied Global Warming Potential of renovation = 782118 kgCO2eq

It takes = ~2 years of operation for the improved operational effi ciency to payback the renovation impacts

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

52

OVERVIEW

I IntroductionA

NA

LYS

IS T

OO

LS

V Integrating the Process

VI Discussion

II Thermal Modeling - THERM

III Energy Modeling - Insight360

IV Life Cycle Assessment - Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

53

ANALYTICAL WORKFLOW INTEGRATIONPROPOSAL CONCEPTS SCHEMATIC DESIGN

DEVELOPMENT

CONSTRUCTION

DOCUMENTS

CONSTRUCTION

ADMINISTRATION

OCCUPANCY

THERMAL

ANALYSIS

ENERGY

ANALYSIS

LIFE CYCLE

ANALYSIS

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

54

Integrating tools into the envelope design processANALYTICAL WORKFLOW

BIM Model

Detailed

Energy Model DETERMINE PROJECTED ENERGY CONSUMPTION

Whole building analysis

WUFIDETERMINE HYGROTHERMAL PERFORMANCE OF ENVELOPE

Whole building analysis

ThermDETERMINE PSI VALUES AT ANY POTENTIAL THERMAL BRIDGES

Slab details

Slab details at exterior wall

Exterior wall amp window details

Roof details at exterior wall

Roof details

Insight360 DETERMINE R-VALUE OF EACH COMPONENT

Slab Defi ne assembly

Wall Defi ne opaque wall assembly

Defi ne glazing components

Defi ne window-to-wall ratio

Roof Defi ne assembly

Tally DETERMINE EMBODIED CARBON OF ENVELOPE

Bill of materials Slab assembly

Exterior wall assembly

Glazing components

Roof assembly

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

55

How can tools be integrated differently through the design and construction process

What is the best workfl ow for collaborative design using analytic tools

What tools do you wish were available

Have you engaged in knowledge sharing or education about analytical tools

What tools make the biggest impact on the performance of the fi nal building

What tools best communicate the urgency of high performance low-carbon design to clients

Should certain tools be used exclusively by certain members of the design team

DISCUSSION

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

47

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

48

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

49

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

50

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

Total embodied Global Warming Potential of renovation = 782118 kgCO2eq

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

51

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

Total embodied Global Warming Potential of renovation = 782118 kgCO2eq

It takes = ~2 years of operation for the improved operational effi ciency to payback the renovation impacts

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

52

OVERVIEW

I IntroductionA

NA

LYS

IS T

OO

LS

V Integrating the Process

VI Discussion

II Thermal Modeling - THERM

III Energy Modeling - Insight360

IV Life Cycle Assessment - Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

53

ANALYTICAL WORKFLOW INTEGRATIONPROPOSAL CONCEPTS SCHEMATIC DESIGN

DEVELOPMENT

CONSTRUCTION

DOCUMENTS

CONSTRUCTION

ADMINISTRATION

OCCUPANCY

THERMAL

ANALYSIS

ENERGY

ANALYSIS

LIFE CYCLE

ANALYSIS

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

54

Integrating tools into the envelope design processANALYTICAL WORKFLOW

BIM Model

Detailed

Energy Model DETERMINE PROJECTED ENERGY CONSUMPTION

Whole building analysis

WUFIDETERMINE HYGROTHERMAL PERFORMANCE OF ENVELOPE

Whole building analysis

ThermDETERMINE PSI VALUES AT ANY POTENTIAL THERMAL BRIDGES

Slab details

Slab details at exterior wall

Exterior wall amp window details

Roof details at exterior wall

Roof details

Insight360 DETERMINE R-VALUE OF EACH COMPONENT

Slab Defi ne assembly

Wall Defi ne opaque wall assembly

Defi ne glazing components

Defi ne window-to-wall ratio

Roof Defi ne assembly

Tally DETERMINE EMBODIED CARBON OF ENVELOPE

Bill of materials Slab assembly

Exterior wall assembly

Glazing components

Roof assembly

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

55

How can tools be integrated differently through the design and construction process

What is the best workfl ow for collaborative design using analytic tools

What tools do you wish were available

Have you engaged in knowledge sharing or education about analytical tools

What tools make the biggest impact on the performance of the fi nal building

What tools best communicate the urgency of high performance low-carbon design to clients

Should certain tools be used exclusively by certain members of the design team

DISCUSSION

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

48

HOW - Existing Building Renovation ExampleIMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

49

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

50

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

Total embodied Global Warming Potential of renovation = 782118 kgCO2eq

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

51

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

Total embodied Global Warming Potential of renovation = 782118 kgCO2eq

It takes = ~2 years of operation for the improved operational effi ciency to payback the renovation impacts

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

52

OVERVIEW

I IntroductionA

NA

LYS

IS T

OO

LS

V Integrating the Process

VI Discussion

II Thermal Modeling - THERM

III Energy Modeling - Insight360

IV Life Cycle Assessment - Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

53

ANALYTICAL WORKFLOW INTEGRATIONPROPOSAL CONCEPTS SCHEMATIC DESIGN

DEVELOPMENT

CONSTRUCTION

DOCUMENTS

CONSTRUCTION

ADMINISTRATION

OCCUPANCY

THERMAL

ANALYSIS

ENERGY

ANALYSIS

LIFE CYCLE

ANALYSIS

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

54

Integrating tools into the envelope design processANALYTICAL WORKFLOW

BIM Model

Detailed

Energy Model DETERMINE PROJECTED ENERGY CONSUMPTION

Whole building analysis

WUFIDETERMINE HYGROTHERMAL PERFORMANCE OF ENVELOPE

Whole building analysis

ThermDETERMINE PSI VALUES AT ANY POTENTIAL THERMAL BRIDGES

Slab details

Slab details at exterior wall

Exterior wall amp window details

Roof details at exterior wall

Roof details

Insight360 DETERMINE R-VALUE OF EACH COMPONENT

Slab Defi ne assembly

Wall Defi ne opaque wall assembly

Defi ne glazing components

Defi ne window-to-wall ratio

Roof Defi ne assembly

Tally DETERMINE EMBODIED CARBON OF ENVELOPE

Bill of materials Slab assembly

Exterior wall assembly

Glazing components

Roof assembly

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

55

How can tools be integrated differently through the design and construction process

What is the best workfl ow for collaborative design using analytic tools

What tools do you wish were available

Have you engaged in knowledge sharing or education about analytical tools

What tools make the biggest impact on the performance of the fi nal building

What tools best communicate the urgency of high performance low-carbon design to clients

Should certain tools be used exclusively by certain members of the design team

DISCUSSION

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

49

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

50

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

Total embodied Global Warming Potential of renovation = 782118 kgCO2eq

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

51

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

Total embodied Global Warming Potential of renovation = 782118 kgCO2eq

It takes = ~2 years of operation for the improved operational effi ciency to payback the renovation impacts

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

52

OVERVIEW

I IntroductionA

NA

LYS

IS T

OO

LS

V Integrating the Process

VI Discussion

II Thermal Modeling - THERM

III Energy Modeling - Insight360

IV Life Cycle Assessment - Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

53

ANALYTICAL WORKFLOW INTEGRATIONPROPOSAL CONCEPTS SCHEMATIC DESIGN

DEVELOPMENT

CONSTRUCTION

DOCUMENTS

CONSTRUCTION

ADMINISTRATION

OCCUPANCY

THERMAL

ANALYSIS

ENERGY

ANALYSIS

LIFE CYCLE

ANALYSIS

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

54

Integrating tools into the envelope design processANALYTICAL WORKFLOW

BIM Model

Detailed

Energy Model DETERMINE PROJECTED ENERGY CONSUMPTION

Whole building analysis

WUFIDETERMINE HYGROTHERMAL PERFORMANCE OF ENVELOPE

Whole building analysis

ThermDETERMINE PSI VALUES AT ANY POTENTIAL THERMAL BRIDGES

Slab details

Slab details at exterior wall

Exterior wall amp window details

Roof details at exterior wall

Roof details

Insight360 DETERMINE R-VALUE OF EACH COMPONENT

Slab Defi ne assembly

Wall Defi ne opaque wall assembly

Defi ne glazing components

Defi ne window-to-wall ratio

Roof Defi ne assembly

Tally DETERMINE EMBODIED CARBON OF ENVELOPE

Bill of materials Slab assembly

Exterior wall assembly

Glazing components

Roof assembly

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

55

How can tools be integrated differently through the design and construction process

What is the best workfl ow for collaborative design using analytic tools

What tools do you wish were available

Have you engaged in knowledge sharing or education about analytical tools

What tools make the biggest impact on the performance of the fi nal building

What tools best communicate the urgency of high performance low-carbon design to clients

Should certain tools be used exclusively by certain members of the design team

DISCUSSION

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

50

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

Total embodied Global Warming Potential of renovation = 782118 kgCO2eq

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

51

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

Total embodied Global Warming Potential of renovation = 782118 kgCO2eq

It takes = ~2 years of operation for the improved operational effi ciency to payback the renovation impacts

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

52

OVERVIEW

I IntroductionA

NA

LYS

IS T

OO

LS

V Integrating the Process

VI Discussion

II Thermal Modeling - THERM

III Energy Modeling - Insight360

IV Life Cycle Assessment - Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

53

ANALYTICAL WORKFLOW INTEGRATIONPROPOSAL CONCEPTS SCHEMATIC DESIGN

DEVELOPMENT

CONSTRUCTION

DOCUMENTS

CONSTRUCTION

ADMINISTRATION

OCCUPANCY

THERMAL

ANALYSIS

ENERGY

ANALYSIS

LIFE CYCLE

ANALYSIS

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

54

Integrating tools into the envelope design processANALYTICAL WORKFLOW

BIM Model

Detailed

Energy Model DETERMINE PROJECTED ENERGY CONSUMPTION

Whole building analysis

WUFIDETERMINE HYGROTHERMAL PERFORMANCE OF ENVELOPE

Whole building analysis

ThermDETERMINE PSI VALUES AT ANY POTENTIAL THERMAL BRIDGES

Slab details

Slab details at exterior wall

Exterior wall amp window details

Roof details at exterior wall

Roof details

Insight360 DETERMINE R-VALUE OF EACH COMPONENT

Slab Defi ne assembly

Wall Defi ne opaque wall assembly

Defi ne glazing components

Defi ne window-to-wall ratio

Roof Defi ne assembly

Tally DETERMINE EMBODIED CARBON OF ENVELOPE

Bill of materials Slab assembly

Exterior wall assembly

Glazing components

Roof assembly

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

55

How can tools be integrated differently through the design and construction process

What is the best workfl ow for collaborative design using analytic tools

What tools do you wish were available

Have you engaged in knowledge sharing or education about analytical tools

What tools make the biggest impact on the performance of the fi nal building

What tools best communicate the urgency of high performance low-carbon design to clients

Should certain tools be used exclusively by certain members of the design team

DISCUSSION

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

51

HOW - Existing Building Renovation Example

Avoided Global Warming Potential = 3764469 kgCO2eq

= 800 passenger vehicles on the road for one year

= burning 20 railcars of coal

= operating 315 homes for a year

= offset by growing 97000 tree seedlings for 10 years

IMPLEMENTATION - LCA SOFTWARE

Total embodied Global Warming Potential of renovation = 782118 kgCO2eq

It takes = ~2 years of operation for the improved operational effi ciency to payback the renovation impacts

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

52

OVERVIEW

I IntroductionA

NA

LYS

IS T

OO

LS

V Integrating the Process

VI Discussion

II Thermal Modeling - THERM

III Energy Modeling - Insight360

IV Life Cycle Assessment - Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

53

ANALYTICAL WORKFLOW INTEGRATIONPROPOSAL CONCEPTS SCHEMATIC DESIGN

DEVELOPMENT

CONSTRUCTION

DOCUMENTS

CONSTRUCTION

ADMINISTRATION

OCCUPANCY

THERMAL

ANALYSIS

ENERGY

ANALYSIS

LIFE CYCLE

ANALYSIS

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

54

Integrating tools into the envelope design processANALYTICAL WORKFLOW

BIM Model

Detailed

Energy Model DETERMINE PROJECTED ENERGY CONSUMPTION

Whole building analysis

WUFIDETERMINE HYGROTHERMAL PERFORMANCE OF ENVELOPE

Whole building analysis

ThermDETERMINE PSI VALUES AT ANY POTENTIAL THERMAL BRIDGES

Slab details

Slab details at exterior wall

Exterior wall amp window details

Roof details at exterior wall

Roof details

Insight360 DETERMINE R-VALUE OF EACH COMPONENT

Slab Defi ne assembly

Wall Defi ne opaque wall assembly

Defi ne glazing components

Defi ne window-to-wall ratio

Roof Defi ne assembly

Tally DETERMINE EMBODIED CARBON OF ENVELOPE

Bill of materials Slab assembly

Exterior wall assembly

Glazing components

Roof assembly

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

55

How can tools be integrated differently through the design and construction process

What is the best workfl ow for collaborative design using analytic tools

What tools do you wish were available

Have you engaged in knowledge sharing or education about analytical tools

What tools make the biggest impact on the performance of the fi nal building

What tools best communicate the urgency of high performance low-carbon design to clients

Should certain tools be used exclusively by certain members of the design team

DISCUSSION

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

52

OVERVIEW

I IntroductionA

NA

LYS

IS T

OO

LS

V Integrating the Process

VI Discussion

II Thermal Modeling - THERM

III Energy Modeling - Insight360

IV Life Cycle Assessment - Tally

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

53

ANALYTICAL WORKFLOW INTEGRATIONPROPOSAL CONCEPTS SCHEMATIC DESIGN

DEVELOPMENT

CONSTRUCTION

DOCUMENTS

CONSTRUCTION

ADMINISTRATION

OCCUPANCY

THERMAL

ANALYSIS

ENERGY

ANALYSIS

LIFE CYCLE

ANALYSIS

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

54

Integrating tools into the envelope design processANALYTICAL WORKFLOW

BIM Model

Detailed

Energy Model DETERMINE PROJECTED ENERGY CONSUMPTION

Whole building analysis

WUFIDETERMINE HYGROTHERMAL PERFORMANCE OF ENVELOPE

Whole building analysis

ThermDETERMINE PSI VALUES AT ANY POTENTIAL THERMAL BRIDGES

Slab details

Slab details at exterior wall

Exterior wall amp window details

Roof details at exterior wall

Roof details

Insight360 DETERMINE R-VALUE OF EACH COMPONENT

Slab Defi ne assembly

Wall Defi ne opaque wall assembly

Defi ne glazing components

Defi ne window-to-wall ratio

Roof Defi ne assembly

Tally DETERMINE EMBODIED CARBON OF ENVELOPE

Bill of materials Slab assembly

Exterior wall assembly

Glazing components

Roof assembly

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

55

How can tools be integrated differently through the design and construction process

What is the best workfl ow for collaborative design using analytic tools

What tools do you wish were available

Have you engaged in knowledge sharing or education about analytical tools

What tools make the biggest impact on the performance of the fi nal building

What tools best communicate the urgency of high performance low-carbon design to clients

Should certain tools be used exclusively by certain members of the design team

DISCUSSION

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

53

ANALYTICAL WORKFLOW INTEGRATIONPROPOSAL CONCEPTS SCHEMATIC DESIGN

DEVELOPMENT

CONSTRUCTION

DOCUMENTS

CONSTRUCTION

ADMINISTRATION

OCCUPANCY

THERMAL

ANALYSIS

ENERGY

ANALYSIS

LIFE CYCLE

ANALYSIS

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

54

Integrating tools into the envelope design processANALYTICAL WORKFLOW

BIM Model

Detailed

Energy Model DETERMINE PROJECTED ENERGY CONSUMPTION

Whole building analysis

WUFIDETERMINE HYGROTHERMAL PERFORMANCE OF ENVELOPE

Whole building analysis

ThermDETERMINE PSI VALUES AT ANY POTENTIAL THERMAL BRIDGES

Slab details

Slab details at exterior wall

Exterior wall amp window details

Roof details at exterior wall

Roof details

Insight360 DETERMINE R-VALUE OF EACH COMPONENT

Slab Defi ne assembly

Wall Defi ne opaque wall assembly

Defi ne glazing components

Defi ne window-to-wall ratio

Roof Defi ne assembly

Tally DETERMINE EMBODIED CARBON OF ENVELOPE

Bill of materials Slab assembly

Exterior wall assembly

Glazing components

Roof assembly

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

55

How can tools be integrated differently through the design and construction process

What is the best workfl ow for collaborative design using analytic tools

What tools do you wish were available

Have you engaged in knowledge sharing or education about analytical tools

What tools make the biggest impact on the performance of the fi nal building

What tools best communicate the urgency of high performance low-carbon design to clients

Should certain tools be used exclusively by certain members of the design team

DISCUSSION

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

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Integrating tools into the envelope design processANALYTICAL WORKFLOW

BIM Model

Detailed

Energy Model DETERMINE PROJECTED ENERGY CONSUMPTION

Whole building analysis

WUFIDETERMINE HYGROTHERMAL PERFORMANCE OF ENVELOPE

Whole building analysis

ThermDETERMINE PSI VALUES AT ANY POTENTIAL THERMAL BRIDGES

Slab details

Slab details at exterior wall

Exterior wall amp window details

Roof details at exterior wall

Roof details

Insight360 DETERMINE R-VALUE OF EACH COMPONENT

Slab Defi ne assembly

Wall Defi ne opaque wall assembly

Defi ne glazing components

Defi ne window-to-wall ratio

Roof Defi ne assembly

Tally DETERMINE EMBODIED CARBON OF ENVELOPE

Bill of materials Slab assembly

Exterior wall assembly

Glazing components

Roof assembly

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

55

How can tools be integrated differently through the design and construction process

What is the best workfl ow for collaborative design using analytic tools

What tools do you wish were available

Have you engaged in knowledge sharing or education about analytical tools

What tools make the biggest impact on the performance of the fi nal building

What tools best communicate the urgency of high performance low-carbon design to clients

Should certain tools be used exclusively by certain members of the design team

DISCUSSION

THERMAL amp ENERGY ANALYSIS FOR ARCHITECTS WHY WHEN amp HOW | BUILDINGENERGY BOSTON | MARCH 9 2018

55

How can tools be integrated differently through the design and construction process

What is the best workfl ow for collaborative design using analytic tools

What tools do you wish were available

Have you engaged in knowledge sharing or education about analytical tools

What tools make the biggest impact on the performance of the fi nal building

What tools best communicate the urgency of high performance low-carbon design to clients

Should certain tools be used exclusively by certain members of the design team

DISCUSSION