Despite being more like a refrigerator than a gas boiler, this home heating technology could slash Britain’s emissions, and bills
Only 1% of British homes have a heat pump, but to hit the government’s climate goals, an estimated 80% of homes should be heated by one in the next 25 years.
Whereas gas boilers burn gas to produce heat, heat pumps do something more complicated. Sometimes described as working like a “fridge in reverse”, they use a mixture of evaporation and condensation to transfer heat from outside to inside a building. In a cold winter, it can be hard to understand how these devices work.
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