Phi Low Carbon

Delivering a low energy, low carbon built environment

Deep Retrofit to existing buildings to the Enerphit standard

and whole estates to Low Energy standards

Responding to the Climate Emergency.

Many councils and organisations have declared a Climate Emergency, recognising the threat of continued carbon emissions to our very way of life.

Using the Passivhaus Planning Package (PHPP) to calculate Operational Energy Use

Passivhaus is a well established standard that sets a target for the annual heating demand of 15KWh/m² for new dwellings and 25KWh/m² for the retrofit of existing buildings ( EnerPHit)

Calculating Embodied Carbon

The embodied carbon of a building is the sum of carbon emitted in the

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