Guy Martin's House Without Bills

4seven HD

3:15 AM to 4:40 AM

Saturday 14 February

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The engineer investigates how to keep homes cheaper to heat, working on a project to turn a typical 1930s semi into one of the most energy-efficient homes in Britain. Guy helps to fit the best insulation, draught-proofing and ventilation, as he explores the science behind the much-discussed heat pump and learns lessons that will help every household reduce costs