Passivhaus

Passivhaus uses 75% less energy for space heating than current new builds in the UK.
“The heat losses of the building are reduced so much that it hardly needs any heating at all. Passive heat sources like the sun, human occupants, household appliances and the heat from the extract air cover a large part of the heating demand. The remaining heat can be provided by the supply air if the maximum heating load is less than 10W per square metre of living space. If such supply-air heating suffices as the only heat source, we call the building a Passive House.”
Sounds fantastic and something we really should be aiming for!
There are Passivhaus standard properties being built in the UK - one in Totnes Devon was recently given it's certificate!
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