If your AC's been working overtime this summer, brace yourself -- your next energy bill might sting. But before you reach for the thermostat, consider a much simpler, lower-cost fix: your ceiling fan.

During the summer, when your home feels as balmy indoors as the weather outside, a ceiling fan can help you out with the flick of a switch (especially when paired with an air conditioning unit). But ...

Want to save money on your heat bill? Know which direction your ceiling fan should turn in fall, winter to keep warm air moving. What you need to know ...