passive house, a challenge for the “happy climate” mediterranean area

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 achievablenearly 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 SHXMeasures in Penteli –Greece Summer Autumn 2013

-11 degrees Celsius

+13 degrees Celsius


HRV – Summer Bypass control

HR bypassed

HR 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)



Passive Houses in Greece 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

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50

100

150

200

250

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spec

ific

final

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rgy

/ [kW

h/(m

2 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

passive house, a challenge for the “happy climate” mediterranean area

Real Estate