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Highly insulating envelope
Thermal bridge free construction
Ventilation with heat recovery
Windows and solar gains
The definition of Passivehouse is driven by air quality and comfort.

“A Passivehaus is a building in which thermal comfort can be achieved solely by post-heating or post-cooling the fresh air flow required for a good indoor air quality, without a need for additional recirculation of air”. – Passivhaus Institut (PHI)

The houses we build using Passive house technique use as little as 10% of the energy used by typical buildings.

Passive houses are designed to remain at a comfortable temperature year-round, with minimal energy inputs required.

Duct and envelope sealing along with the high performance triple glass windows can make the structure of the building both well insulated and incredibly air-tight. This, in return, allows the house to be effectively heated by the sun, internal heat sources, and heat recovery systems.

Even throughout the coldest months, conventional heating systems are rendered unnecessary.

And during warmer months “passive cooling” technique as shading and ventilation system is used

Source: Passivhaus Institut