Very Low-Energy House Concepts in North European ... - NorthPass

TABLE OF CONTENT
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What is a Very Low-Energy House in northern Europe? ....................................... 5
Definitions and concepts ............................................................................................... 5
Space heating demand around northern Europe ........................................................... 6
Why build Very Low-Energy Houses? ..................................................................... 7
Action against climate change and reduce energy consumption .................................... 7
Lower environmental impact .......................................................................................... 7
Lower life Cycle Costs ................................................................................................... 8
To fulfil political agreements .......................................................................................... 9
Comfort and Indoor Climate in Very Low-Energy Houses ................................... 10
Thermal indoor climate ................................................................................................ 10
Atmospheric indoor climate ......................................................................................... 11
Acoustic indoor climate................................................................................................ 13
Lighting conditions....................................................................................................... 14
How to build a Very Low-Energy House in northern Europe ............................... 15
Building site and window locations .............................................................................. 16
Building shape ............................................................................................................. 16
Well-insulated and air-tight building envelope .............................................................. 17
Energy-efficient HVAC systems ................................................................................... 18
Thermal mass and temperature zoning ....................................................................... 18
Components in Very Low-Energy Houses ............................................................ 19
Key considerations ...................................................................................................... 19
Envelope components ................................................................................................. 20
Ventilation components ............................................................................................... 23
Heating components ................................................................................................... 24
Renewable energy components .................................................................................. 24
Other components ....................................................................................................... 25
Availability of components ........................................................................................... 25
Examples of Very Low-Energy Houses ................................................................. 26
Denmark – Komforthusene .......................................................................................... 26
Finland – Passive house in Hyvinkää, Finland ............................................................. 27
Norway – Loevaashagen cooperative housing, Bergen ............................................... 28
Sweden – Värnamo passive house ............................................................................. 29
Estonia – Valga kindergarden «Kaseke» ..................................................................... 30
Latvia – Gaujas 13, Valmiera....................................................................................... 31
Lithuania – Renovation project at Žirm street 3 in Vilnius....................................... 32
Poland – Lipiscy Dom Pasywny 1, Wrocaw .............................................................. 33
References ............................................................................................................... 34
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