A heat pump water heater is two to three times more efficient than traditional options, meaning it can require just one-third of the typical energy consumption to heat water for your home, ...

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 ...

Three years ago, Ted Treadwell turned his water heater into a battery. His home in Santa Rosa, California, had relied on a ...

An international research group has investigated how PV-powered heat pumps and district heating could be combined to heat a ...

Navien’s new NWP500 Series heat pump water heater delivers ultra-quiet operation, built-in Wi-Fi and energy savings.

The South Coast Air Quality Management District is poised to vote on regulations that would limit emissions of nitrogen oxides — the key pollutants that form smog.

To come up with our heat pump water heater ratings, we tested all models in heat pump mode only. We filled each water heater tank with cold water of the same temperature and then set them to reach ...

If I wanted a separate heat pump water heater and HVAC system, it would cost around $26,000, according to Aaron Gianni of Larratt Brothers Plumbing.