building energy codes
DESCRIPTION
BCAP Executive Director Aleisha Khan ([email protected]) discussed the Alliance’s BCAP experience, as well as international examples to identify favorable markets for green codes. With experience in technical projects and market transformation, Aleisha directs BCAP activities for improving energy performance in residential and commercial buildings through building codes.TRANSCRIPT
BUILDING ENERGY CODES
February 23, 2010
Building Codes Assistance Project (BCAP)
OUTLINE
� Why BCAP was formed and what we do
� Green building codes in the U.S.
� Codes and green buildings around the world� Codes and green buildings around the world
BCAP – BUILDING CODES ASSISTANCE
PROJECT
�Created in 1994 to assist US states in adopting and implementing building energy codes
� Energy Policy Act of 1992 (identified national model energy codes)model energy codes)
� Policy requires states to adopt most current model codes� Incentives provided through economic stimulus funding
� States are allowed to put in place an equivalent code OR add requirements that improve energy efficiency
BCAP – BUILDING CODES ASSISTANCE
PROJECT
�A joint project of:� the Alliance to Save Energy,
� the National Resource Defense Council, and
� the American Council for an Energy Efficient Economy
�Provide resources, education & advocacy assistance�Provide resources, education & advocacy assistancefor the adoption, implementation, & advancement of effective energy codes on behalf of US Department of Energy
HOW TO REDUCE ENERGY USE IN NEW
BUILDINGS?
Source: ACEEE
HOW TO REDUCE ENERGY USE IN NEW
BUILDINGS?
66%
Source: ACEEE
66%
NATIONAL MODEL CODE
DEVELOPMENT CYCLE
COMMERCIAL
� ASHRAE 90.1
� Updated every 3 years
� 2007 is 6 - 8% more energy efficient
RESIDENTIAL
� IECC
� Updated every 3 years
� Current code is 2009
� Averages about 15% improvement in efficiency
� 2010 on path for 30% improvement
CODES IN CONTEXT
Energy Efficiency
8
� Push
� Appliance Standards
� Building Energy Codes
� Pull� ENERGY STAR
� Appliances
� Home Energy Ratings
� Tax Credits
� LEED
Source: US DOE
IMPACT OF HIGH PERFORMANCE
PROGRAMS
� In 2007, 214 million sf of commercial floor space certified
LEED (731 million registered)*
� Projected 840 million sf certified by 2010 (12-20% of market
share)*
� Almost 17% of single-family homes built in the US in 2008
earned the ENERGY STAR label (source: US EPA)
* Data not verified by USGBC
10
COMFORT, ENERGY USE … OUT OF SIGHT
Local Governmental Policies forPrivate Sector Green Building Standards
JURISDICTION
TYPES OF PROJECTS COVERED GREEN BUILDING CRITERIAEFFECTIVE
DATESINGLE FAMILY RESIDENTIAL
MULTI-FAMILY AND COMMERCIAL
SINGLE FAMILY RESIDENTIAL
MULTI-FAMILY AND COMMERCIAL
ARLINGTON COUNTY, VA
N/AProjects that request
density bonusN/A LEED certified level 2004
ASPEN/PITKIN COUNTY, CO
Projects that are over 1,000 sq. ft.
Projects that are over 1,000 sq. ft.
Local rating checklist w/ optional measures
Local rating checklist w/ optional measures
2003
AUSTIN, TX
Projects that are part of PUD and special
development zones including downtown
Projects that are part of PUD and special
development zones including downtown
Local rating checklist w/ optional measures
Local rating checklist w/ optional measures
2003
BOSTON, MA N/A
Projects over 50,000 sq. ft. that are subject to the
N/ALEED with additional
2007BOSTON, MA N/Aft. that are subject to the
city’s Large Project Review process
N/ALEED with additional
local criteria2007
BOULDER, CO All homes N/ALocal rating checklist w/
optional measuresN/A
2001,2008 update
FRISCO, TX All homes N/ALocal prescriptive
measuresN/A
2001,2007 update
PASADENA, CA N/AMulti-family over 4
stories and projects over 25,000 sq. ft.
N/ALEED certified or silver level for projects over
50,0002008
SAN FRANCISCO, CA
All homesAll multi-family and other projects over 5,000 sq.
ft.
Local rating checklist w/ optional measures
LEED certified or silver level for projects over
25,000
2008 - 2012Phase In
WASHINGTON, DC
N/AAll projects over 50,000
sq. ft.N/A
LEED or equivalent rating system
2009 - 2012Phase In
SCOTTSDALE, AZ All homes All projectsHomes must be at least 15% better than 2006
IECC
Buildings must be at least 15% better 2006
IECC2007
Courtesy of Anthony Floyd City of Scottsdale AZ
Evolving Green Building StandardsFor Single Family Dwellings
City Code or3rd PartyProgram
Percentage above 2006
IECC
Performance Testing Thermal By-Pass
Inspection
Lighting Efficiency
Water Heating
Appliances Indoor Water
Efficiency
Indoor Environmental
QualityDucts Envelope
City of Scottsdale
Building Code15%
No Req’mts
NoReq’mts
PartialNo
Req’mtsRecir. pump
NoReq’mts
NoReq’mts
NoReq’mts
City of Scottsdale
Green Building Program
15%Optional points
Optional points
PartialTask
LightingRecir. pump
NoReq’mts
50% High Efficiency
Toilets
Seal Ducts during constr.;
Low VOC Paints; MERV 8 Air Filters; CO Detectors
Energy Star Program 15% Req’d Req’d Yes Optional
NoReq’mts
OptionalNot
AddressedNot AddressedProgram Req’mts Addressed
LEED for Homes
Program 15% Req’d Req’d Yes
4 Energy Star
labeled fixtures or
bulbs
Optional points
Optional points
Optional points
MERV 8 Air Filters; CO Detectors
Environments for Living –
Certified Green Program
20% Req’d Req’d Yes50% High Efficacy
Energy Efficiency
Rating Factor (EF)
100% Energy Star
labeled
100% High Efficiency Fixtures
Very Low VOC Paints; Carpet
must have Green Label; CO Detectors
City of Austin Building Code 30% by 2009 Req’d Req’d Partial
90% High Efficacy by
2009
Restriction on electric
NoReq’mts
Not Addressed
MERV 6 Air Filters
City of Boulder Building Code
30% to 75%Optional points
Optional points
YesOptional points
Optional points
Optional points
Optional points
Optional points
City of Albuquerque
Building Code30%
No Req’mts
No Req’mts
Yes70%
Energy Star labeled
Energy Star Labeled by
2009
Energy Star labeled washers
NoReq’mts
Not Addressed
Courtesy of Anthony Floyd City of Scottsdale AZ
GREENING ACROSS THE US
306 green programs surveyed
� 210 of these are mandatory
� 193 incorporate LEED
Green CODE INSTITUTE
� Spring 2010
� Review success/barriers of
green codes
� Develop strategy for future
CODES AROUND THE WORLD
� India
� Training
� Technical Briefs & User Guide
� APEC
� Country reports� Country reports
� Summary Report
� Ukraine
� Guidance on Implementation & labeling program
GOALS
� Compliance – Education & Training
� Widespread understanding of requirements and their
value
� Communicate a clear path to build to code
and demonstrate compliance
� Enforcement & Tracking
� Cost-effective enforcement infrastructure
� Collect data on energy savings
� One-stop checking
CONTACT INFORMATION
Aleisha Khan
Executive Director
Building Codes Assistance Project (BCAP)
202-530-2211
www.bcap-ocean.org