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.

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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 ...

If you value the work we do to promote high performance buildings, and a more sustainable built environment, please consider supporting us.

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 ...