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 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 ...

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 ...

From a distance, the energy system on top of a college residence hall in Omaha, Nebraska looks like photovoltaic panels. But as you get closer, it becomes clear that this is something different, with ...

When it comes to renewable energy at home, solar panels are often the first option that comes to mind, leaving homeowners with the choice between monocrystalline or polycrystalline solar panels, and ...

Researchers developed a solar collector with a dielectric Bragg mirror, optimizing energy conversion by separating sunlight ...