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by HPsquared 417 days ago
What do you do for ventilation?
1 comments
DamonHD 417 days ago
The windows all still open, but in winter we have (nearly) enough MHRV (Mechanical Heat Recovery Ventilation) not to need to ventilate directly, eg see:

https://www.earth.org.uk/MHRV-mechanical-heat-recovery-venti...

link