The CarbonLite standards are all based on the rigorous passive house methodology and require energy modelling using the ...

The new edition of Passive House Plus is available now. If you value the work we do to promote high performance buildings, and a more sustainable built environment, please consider supporting us.

The amount of active heating input required to heat a building usually expressed in kWh/m2/yr. It is often calculated using building energy software applications such as PHPP, Deap or Sap The new ...

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Form factor is the ratio of a building’s total surface area (the walls, roof and ground floor) to its treated floor area. The smaller the form factor, the more efficient the shape of the building and ...

This refers to the heat and light energy that a building receives passively from the sun. Designing a building so that the rooms that are used most during the day face south means they will get light ...

A wall with inner and outer masonry layers (eg block or brick), with a cavity in between. The cavity serves as a way to drain water out of the wall. Cavities can be insulated to improve their ability ...

A technology that ventilates a building while also helping to heat it. HRV systems typically extract warm, damp air from 'wet' rooms like kitchens and bathrooms and use it to heat cool, fresh incoming ...

The new edition of Passive House Plus is available now. If you value the work we do to promote high performance buildings, and a more sustainable built environment, please consider supporting us.

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