Researchers in Spain have proposed two control strategies for the integration of heat pumps in district heating systems assisted by solar thermal collectors. Their technical-economic analysis shows ...

The new power controller AC-THOR 9s can control both electrical room heating and water heaters up to 9 kilowatts of power linearly. It controls three-phase heating elements or up to three electrical ...

A solar pool heater uses a pump, a solar collector and piping in conjunction with your existing pool filter. The process is simple: The pump takes water from the pool, then forces it through the ...

A passive solar-heated home needs no solar panels to heat or cool it. Rather, the energy used to heat and cool a house comes directly from the sun through skylights and windows. Some of that energy is ...

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 ...