STANDISH, ME - SEPTEMBER 25: Aaron Sinclair, of Dave's World, installs a heat pump at the home of Roland and Dale Bois on September 25, 2018. Sinclair, who has worked installing heat pumps for two ...

2022 was a big year for the humble heat pump. Subscribe to read this story ad-free Get unlimited access to ad-free articles and exclusive content. In the U.S., more people bought heat pumps for their ...