Despite a dip in sales last year, heat pumps are continuing to take Europe by storm. These devices take energy from the air, ground or water and transform it into heat or cool air. But how, when and ...

What's the difference between warm air and cool air? In fact, what does “temperature” even mean? It's stranger than you think. At a basic level, if you increase the temperature of air, you increase ...

The highly efficient devices are the darlings of the environmental movement. Here’s why. By Hilary Howard Heat pumps, which both warm and cool buildings and are powered by electricity, have been ...

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 ...

With global warming becoming an urgent issue, heating our homes efficiently -- and sustainably -- has taken center stage. As winters become more unpredictable (and unexpectedly harsh), finding ...

Oyvind Solsta’s “light bulb” moment with heat pumps came upon reading that the heat they produce far exceeds the amount of electricity that goes in. Installing a heat pump in his house in the hills of ...

Heat pumps are electric appliances that can both heat and cool your home. Scientists see them as a climate solution because heat pumps reduce planet-heating emissions. They cut pollution from burning ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Despite ample evidence to the contrary, heat pumps are still ...

A US government report looked at the cost savings and grid effects of the mass installation of heat pumps. The result: lower energy bills. Jon covers artificial intelligence. He previously led CNET's ...

Federal incentives for heat pump installations expire this year. Homeowners can choose between air-source and ground-source systems. Heat pumps cut energy use and emissions more efficiently than ...