The Department of Energy and major energy companies recommend this setting for your air conditioner this summer.

Add Yahoo as a preferred source to see more of our stories on Google. Set your thermostat to 78°F in summer to balance comfort and energy savings. Keep blinds closed and use ceiling fans to help cool ...

Ahh, summer, a time of vacations at the beach or mountains—and sky-high electricity bills as your air conditioner labors against the heat and humidity. And how does your body adapt to heat?

To ensure a fair comparison, we divide air conditioner units into three categories: window units, large portable units (over ...

Here's how to maximize your home's temperature this summer, according to professionals.