6 things to know about heat pumps, a climate solution in a box

https://www.npr.org/2023/04/01/ [login to see] /6-things-to-know-about-heat-pumps-a-climate-solution-in-a-box
Sales of super-efficient electric heat pumps are rising, now overtaking sales of gas furnaces in the U.S. But what are heat pumps? And why do some call them a key climate solution? Here are the answers to your most burning heat pump questions.