Heat pumps promise cheaper, cleaner heating – but does the reality live up to the hype? We assess Octopus Energy’s Cosy ...

Heat pumps work best when they’re part of a well-prepared home, to be installed when the building envelope is attended to; ...

Heat pumps can reduce carbon emissions associated with heating buildings, and many states have set aggressive targets to ...

When it comes to the clean energy transition, electric vehicles and solar panels get a lot of the attention. But there are less sexy heavy hitters too. Home heating and cooling account for one-fifth ...

A common refrain is that they’re only effective in mild climates. We put that idea to the test. Credit...Photo illustration by The New York Times; Shutterstock Supported by By Sofia Quaglia Heat pumps ...