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 ...

Heat pumps are an efficient, sustainable alternative to traditional heating systems like gas boilers. They work by extracting heat from the air, ground, or water and using minimal ...

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 ...

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 ...

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 ...

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 ...