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

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

The new edition of Passive House Plus is available now.

In the UK, a proposal for a net zero carbon building standard is being developed by a group of prominent industry bodies. For more information visit www.nzcbuildings ...

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 ...

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 ...

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.

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 ...