Think of solar greenhouse heaters as a way to supplement existing heating systems. They're out there, but some assembly may be required.

A solar-powered ‘Galactic Brain’ is supposed to side-step energy constraints new data centers face on Earth.

Solar water heaters help homes cut energy bills by using sunlight instead of electricity. The system offers steady heating, ...

Netherlands-based Triple Solar has unveiled a residential PVT heat pump system that uses waste heat from PV modules as the heat source. Triple Solar’s Heat Pump 5.0 does not require an outdoor unit.

Dear Jim: We have a large family and use much hot water. I cannot afford to have a solar water heating system installed, but I would like to make some type of solar water heater myself. What do you ...

An international research group led by Germany’s Karlsruhe Institute of Technology conducted energy, economic, and environmental assessments of 54 photovoltaic-thermal (PVT) indirect-expansion (IDX) ...

Scientists are learning how to turn the chill of outer space into a quiet source of electricity, using the night sky itself as a heat sink. By carefully managing how surfaces shed heat after dark, ...

UC Davis engineers have invented a Stirling engine that captures Earth’s escaping heat to generate power from the night sky.

For decades, Sandia National Laboratories' National Solar Thermal Test Facility has harnessed the power of the sun to expose aerospace materials to intense heat, replicating the harsh conditions of ...

At work, Wang Zhifeng is a scientist specializing in solar thermal power research, but in his free time, he is an avid snow sports enthusiast. He has even ...