Scientists in Italy have coupled a solar-powered air heat pump with a water tank for thermal energy storage to provide hot water to a residential building as a retrofit solution. They claim that the ...

Jon covers artificial intelligence. He previously led CNET's home energy and utilities category, with a focus on energy-saving advice, thermostats, and heating and cooling. Jon has more than a decade ...

When is the best time to buy a new water heater? Hint: It’s not when the one you have fails. But that’s what many homeowners end up doing. They notice a leak—or worse, they’re surprised by a flood—and ...

Guess who has two thumbs and no hot water? This guy!!! Our house is set up for gas everything: stove, oven, clothes dryer, furnace, and of course the water heater. We have enough power to switch to ...

Scientists in China have designed a photovoltaic-thermal integrated air-source heat pump hot water system that uses a phase change tank to lower energy consumption and achieve higher power generation ...