These water heaters are far more energy-efficient than conventional options. We put 10 models to the test. By Yasmeen Khan Heat pump water heaters have been around for decades, but it’s only recently ...

The current standards for water heaters, which are specified in the Code of Federal Regulations (CFR) in 10 CFR 430.32(d), have been in effect since 2010. One aspect of the upcoming changes is the ...

THE COMPRESS ELECTRIC HEAT PUMP WATER HEATER has a 50-gal. capacity. When installed in ideal conditions — a warm, unconditioned climate such as an attic, basement or garage with at least 7' X 10' X 10 ...

Technology is changing, public awareness is increasing, and the regulatory environment is in flux—we talk with Cala System’s CEO Michael Rigney on what the future has in store. Cala Systems is a ...

As the U.S. moves toward electrification, heat pumps are becoming more popular. Thanks to generous tax credits and rebates being offered by utilities, as well as state and federal governments, sales ...

A water heater is one of those home appliances that you don't think about until it stops working. However, a water heater can be a major energy eater, whether you're buying one for a new home or ...

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 ...

The heat pump has become a common fixture in many parts of modern life. We now have reverse-cycle air conditioning, heat pump hot water systems, and even heat pump dryers. These home appliances ...

Water can hold a huge amount of thermal energy, and a new system to tap into this is being trialed in Scotland. A startup called SeaWarm uses heat stored in bodies of water for buildings, pulling four ...

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 ...

A heat pump water heater uses a heat pump to heat water for home use. It can replace traditional water tanks fueled by electricity, gas, propane, or oil, as well as tankless water heaters. Along with ...