As the co-owner of a California property that has never been tied to the electric grid, I can attest to the warm feeling of self-sufficiency that comes with a functioning solar power system. We’ve ...

Indeed, in a household of five, where the monthly electricity bill is KShs 5,000, at least KShs 1,650 goes on heating water. But this need not be the case. Kenya receives an estimated 4 to 6 kWh per ...

CAMAS, WASHINGTON — “For me, I love the scalability of these solar thermal systems,” said Bob Doyle of Blairco Solar, a new division of Blairco Heating & Cooling. “If you put in a two-panel system, a ...

Passive cooling, like the shade a tree provides, has been around forever. Recently, researchers have been exploring how to turbo charge a passive cooling technique — known as radiative or sky cooling ...

Switch to solar with a system built for you. 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 ...

• Hot-water usage: Since the more hot water you use the more money you save with a solar heating system, large households will save a lot more by going solar. For example, a family of four will save a ...

A new study describes a new technology that provides both radiative cooling and solar heating, all is one system and without using electricity or fuel. It could help impoverished communities, reduce ...