How this 1960s ex-council house is managing to stay cool without air con

A UK home built to the Passivhaus standard maintains interior temperatures without air conditioning through enhanced insulation, airtight construction, and mechanical ventilation with heat recovery. The building standard, which originated in Germany in the 1980s, has gained adoption among British homeowners responding to rising summer temperatures. Passivhaus-certified homes use significantly less energy for heating and cooling compared to conventional construction methods.

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