Heat pump subsidies will be expanded to include technology that provides both heating and cooling, the Government has said. As well as existing £7,500 grants for installing an air source or ground source heat pump to keep homes warm in winter, households will now be able to receive a £2,500 discount off installing an air-to-air heat pump which can provide heating in winter and air conditioning in summer, officials said. The announcement comes as heat pump installations rise to new highs – but