A heat pump doesn't generate heat; it transfers it from one place to another. It's an appliance with a bright future in an ...

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 ...

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 ...

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 ...

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 ...

Ran Boydell receives funding from the UK and Scottish governments for research projects on the built environment. He is affiliated with the Scottish Ecological Design Association (SEDA). Retrofitting ...

British Columbia, Canada’s westernmost province, is making its rebate scheme for heat pump installations available to apartment renters and condo owners. The Better Homes Energy Savings Program Condo ...