Gradient's advanced window unit can heat and cool 500 square feet, all without needing any fancy electrical work. I saw it at ...

In our lab tests, Electric Water Heaters models like the Electric Heat Pump are rated on multiple criteria, such as those listed below. Replacement payback: The number of years of energy savings ...

If a whole-house heat pump isn't in the cards for you, you can still benefit from high-efficiency heat pump technology with a ...

The Daikin Altherma 4 H offers industry-leading heating capacity, capable of delivering hot water at temperatures up to 75° C ...

The new heat-pump water heater is part of the shift from traditional water-heating methods to energy-efficient air-source ...

The Globe reached out to heat pump owners to see how their systems fared in the bitter cold in February 2023. Here’s what we found. He stood at his kitchen sink Saturday morning, with all of New ...

has shown that combining rooftop PV systems with battery storage and heat pumps can improve heat pump efficiency while reducing reliance on grid electricity. Fraunhofer ISE researchers have ...

Even with those tremendous gains in performance, there are still some ways to improve on them as [Martin] shows us with some modifications he made to his heat pump system. This specific heat pump ...