Heat pump technology makes air conditioners and refrigerators work, which isn’t new. But some of its applications are. Residential heat pump systems, which may replace gas and resistive heat furnaces ...

Amanda Blum is a freelancer who writes about smart home technology, gardening, and food preservation. Previously, Amanda has worked as a technology strategist specializing in problem solving and ...

Q: We need a new clothes dryer and are wondering whether to invest in a heat-pump model. I know they are more energy-efficient, but are there big maintenance issues, such as cleaning the condenser ...

Heat pumps function similarly to refrigerators or air conditioners, which take warm air from one space and send it to another. In the winter, a heat pump transfers heat from the outdoors inside and, ...