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What is Passive House?
Passive Houses allow for energy savings of up to 90% compared with typical existing buildings and over 75% compared with average new best-practice constructions. Similar energy savings have been demonstrated in warm climates where buildings require more energy for cooling than for heating.
Passive Houses are also praised for their high level of comfort. They use energy sources inside the building such as the body heat from the residents or solar heat entering the building – making heating a lot easier.
Special windows and a building shell consisting of highly insulated exterior walls, roof and floor slab keep the desired warmth in the house – or undesirable heat out.
A ventilation system consistently supplies fresh air making for superior air quality without causing any unpleasant draughts. A highly efficient heat recovery unit allows for the heat contained in the exhaust air to be re-used.
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