Researchers in Spain have developed a dual-condenser air-to-water heat pump that shifts domestic hot water production to daylight hours, maximizing PV self-consumption. The prototype boosted solar ...

A split system heat pump's defrost sensor is used to detect ice buildup on the heat pump's outdoor coil. When ice builds up on the coil, it reduces the heat pump's ability to transfer heat, which can ...

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 ...

When buying a cold-weather heat pump, Hawes says to check the lowest temperature rating, make sure the condenser has a base pan heater so it doesn’t freeze up, and look at the heating seasonal ...

Dual fuel systems, with their combination of an all-electric heat pump and gas furnace, give homeowners the best of both worlds: comfort and energy savings, topped off with a healthy dose of saving ...

If you want to heat or cool your home, a heat pump seems like the logical solution. Here's everything you need to know to decide whether getting one makes sense for your home. Andrew King Contributor ...

Electric HVAC systems can help you keep your home comfortable using a fraction of the energy. We spoke to experts to find out just how efficient they are. Mike De Socio is a CNET contributor who ...

Heat pumps are increasingly used for domestic hot water in Europe due to their efficiency and compatibility with solar power, but their lower operating temperatures can create conditions where ...

STANDISH, ME - SEPTEMBER 25: Aaron Sinclair, of Dave's World, installs a heat pump at the home of Roland and Dale Bois on September 25, 2018. Sinclair, who has worked installing heat pumps for two ...