That's if you're running a 50-watt fan for 24 hours and the price of your electricity is $0.17/kWh — rounded up from 16.52 ¢/kWh — which is the average cost of residential electricity in ...

Box fans in windows can keep your home cool at a lower cost than AC if you face them in the right directions. Here's what to know this summer.

Outward-facing window fans should go on the hottest side of your house to blow hot air out, according to the U.S. Department of Energy.

That's similar to your standard ceiling fan, but far less power than an air conditioner, which can use between 500 and 5,000 watts of electricity. You might be wondering, then, how much that box ...