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 ...

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 ...

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 ...

• 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 ...