Since ancient times, people have found ways to use the sun’s heat to stay warm or keep cool. They built homes from clay and other materials that hold heat well, and they placed them in ways that ...

Solar water heaters work by absorbing sunlight in solar collectors and saving the heated water in a storage tank. Both active and passive solar water heaters are available. Active systems are ...

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 ...

Solar heaters are gaining popularity worldwide due to government incentives promoting renewable energy and consumer desire to reduce utility costs. Cyprus leads in solar water heater adoption, with 93 ...

Considering solar powered underfloor heating as a method of keeping your home warm and snug? There are several things to bear in mind before taking the plunge. While both underfloor heating and many ...

Researchers in China have designed a two-stage, solar-assisted thermochemical heat pump system that uses caustic soda and water as a working pair. The system is reportedly able to achieve an energy ...

Italian researchers have reviewed different system configurations for photovoltaic-thermal solar-assisted heat pumps in buildings. They say that using the PV-thermal collector as the heat pump’s ...