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.

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

Q DEAR TIM: My attic gets hot. I saw an advertisement for a solar-powered attic fan, which seems like a great way to remove heat and reduce my carbon footprint. Do these fans really work? Are they ...