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.

If you're going to go through the trouble of setting up a window or box fan, ... who say a 20-inch box fan consumes ... is $0.17/kWh — rounded up from 16.52 ¢/kWh — which is the ...

Where to point your window or box fan: ... who say a 20-inch box fan consumes about 50 ... price of your electricity is $0.17/kWh — rounded up from 16.52 ¢/kWh — which is the average cost ...