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AnswerWhat is an air-source heat pump?
An air-source heat pump extracts heat from outside air and upgrades it to heat your home and hot water — delivering around three units of heat per unit of electricity.
In more detail
It works like a fridge in reverse and runs on electricity, not gas.
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2026 figures, based on Energy Saving Trust, Ofgem & gov.uk data · always confirm with a professional survey.