Heat pumps date back to the 1850s and are more energy efficient than furnaces or boilers. Image: Schon via Getty Images. Get the Popular Science daily newsletter💡 ...

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 ...

Mike De Socio is a CNET contributor who writes about energy, personal finance, electric vehicles and climate change. He's also the author of the nonfiction book, "Morally Straight: How the Fight for ...