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 ...

Heat pump water heaters are typically money-savers, but they aren't without their own costs. HomeAdvisor suggests a standard water heater costs, on average, between $880 and $1,778.

The launch of the NWP500 Series perfectly reflects Navien’s ongoing commitment to innovation and environmental responsibility ...

Three years ago, Ted Treadwell turned his water heater into a battery. His home in Santa Rosa, California, had relied on a gas-powered furnace and water heater for a quarter-century to stay warm. But ...

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

Under the so-called "Big Beautiful Bill" the Energy Efficient Home Improvement Tax Credit would phase out at the end of the ...

Now is the time to choose building codes that insure new homes are built to be healthier and more energy efficient, writes ...

Heat pumps provide both cooling and heating, typically pay for themselves in energy bill savings, and can allow you to ...

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.

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

The global geothermal heat pump market size was US$ 6.0 billion in 2021. The global geothermal heat pump market size is estimated to reach US$ 11.6 billion by 2030, growing at a compound annual growth ...

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 ...