Solar water heaters, which are generally used in tandem with electric or natural-gas heaters, can knock 50 to 80 percent off your water-heating costs, the Department of Energy and industry sources say ...

Scientists in the United States has developed a new photovoltaic-thermal system design that utilizes parallel water pipes as a cooling system to reduce the operating temperature of photovoltaic panels ...

Researchers in Italy have designed a water-source heat pump system intended for generating cooling, heating and domestic hot water in social housing stock built during the 1970s–1990s. The novel ...

Oekoboiler Swiss AG, a Swiss manufacturer specializing in energy-efficient water heating systems, continues to advance ...

Solar panels, heat pumps and hydrogen are all building blocks of a clean energy economy. But are they truly “essential to the national defense”? President Joe Biden proclaimed that they are in early ...