sepev - v6

Passive House Seminar & Component Exhibition

SEPEV, Cer Modern, Ankara , November 28, 2013

Passive Housea challenge for the “happy climate” Mediterranean Area

Stefanos Pallantzas, Civil Engineer NTUAHellenic Passive House Institute



Passive vs.

Active



Passive House Standard – The Basics Needs



PASSIVE HOUSE ENERGY BALANCE



What about PH in

Summer?



Passive House is achievable

nearly everywhere



Passive House in Med-Climates



Passive Cooling

Night ventilation

Night Sky Radiation

Ground Cooling



Ground Cooling

with Subsoil Heat Exchangers

Subsoil Heat Exchanger

Subsoil heat exchangers can

generaly reduce or eliminate

active cooling demand



Ground Cooling

with Subsoil Heat Exchangers

Temperature Difference Δτ between in and out of the SHX

Measures in Penteli –Greece Summer Autumn 2013

-11 degrees Celsius

+13 degrees Celsius



HRV – Summer Bypass control

HR

bypassedHR

active



Passive Houses in Greece

Penteli Project 2010-2012




Temperature External

Temperature internalAvg= 25,8 degrees C

Penteli Project 2010-2012

Measures in Penteli –Greece Summer ‘13



3 Terrace Houses in Volos (2012)

ID 2409 (IPHA DATABASE)





BEFORE

AFTER

First

Passive House

Retrofit



Climate Change – A Reality



building stock WSchVO 1984 WSchVO 1995 low energy h. 3l-house solar active h. passive house zero-heating h. passive h. plus net zero energy h. plus house-100

-50

0

50

100

150

200

250

300

sp

ec

ific

fin

al e

ne

rg

y / [

kW

h/(

m2 a

)]

heating demand

domestic hot water

electricity

solar heat gen.

PV generation

EUROPEAN TARGET 2013 – 2020

(Ultra) low energy (3-l) house

Solar house

Passive house

Zero heating house

Net zero energy / self-sufficient house

(solar) active house

Passive house Plus

Plus energy house

“Passive House = Nearly Zero" Energy Building



LOW ENERGY BUILDING – Past or Future?



Design by Spyros Gousis

2.500 b.c. – Knossos

Palace

LOW ENERGY BUILDING – Past or Future?



ATHENS, JANUARY 2013

Photo by Yannis Larios

Do we deserve this future?



Problems cannot be solved with same level

of acknowledgement , that created them ”

Albert Einstein 1879-1955



We need

• Efficient buildings

• Efficient equipment

• Efficient Users

We need

PASSIVE HOUSES

Thank you

www.eipak.org

sepev - v6

Environment

passive house standard

cer modern

heating house net

passive housea challenge

greece penteli project

penteli greece summer

terrace houses

ipha databasepassive