You can save a little power in a lot of places. These solar gadgets cover household cooling, portable power, trickle charging ...

Attic exhaust fans can be powered by wind, solar, or electricity, and the choice depends on what will work best for the attic and the total budget. A standard, passive attic exhaust fan is less ...

Cooling your home this summer will likely cost more than ever. Across the U.S., residential electricity bills are climbing fast, just as forecasters warn of another season of unrelenting heat.