When David Tester, 56, installed a heat pump in his home in the winter of 2022, freezing temperatures descended on the country alongside a series of named storms. It was a world away from this summer’s heatwaves, which have pushed Britain to the brink of drought.
But Tester’s choice of heat pump design has meant that his three-bedroom 1930s semi in West Sussex has remained at a comfortable temperature despite Britain’s increasingly volatile weather. The air-to-air heat pump provides heating in the winter but acts like an air conditioner in the summer months.
