I was going to post this PSA at the end of the week but I figured you might be busy making Halloween preparations — watching Day of the Animals, sewing a costume for your cocker spaniel, making skulls out of old cassette tapes, figuring out how to avoid swine flu while bobbing for apples, etc. — so I’m publishing this small but important household tip now. Just don't forget about it.

The tip comes from the folks at energy-savvy ceiling fan manufacturer Hunter who recommend performing one small, additional task this Sunday when Daylight Saving Time goes into effect: while you’re running around the house in a post-Halloween stupor trying to set back all of your clocks one hour, you should also reverse the direction of any ceiling fans you might have.

It’s a small detail that many homeowners and renters may not know about, but you can reverse the direction of most ceiling fan blades via a built-in switch. By default, the blades usually spin in a counter-clockwise direction which blows air downwards and creates a desired, cooling effect during the summer months. During the winter, when running a fan clockwise at a low speed, warm air trapped near the ceiling circulates with cooler air, and in turn, makes a room warmer. Doing this while also turning down your thermostat a couple of notches can result in saving 10 percent on winter heating costs. Not too shabby.

So remember, come Sunday you have this to do: Halloween cleanup and/or hangover nursing, turning back clocks, and simply reversing the direction of any ceiling fans in your home for greater energy-efficiency. Piece o’ cake. 

MNN homepage photo: Doc_Ever/iStockPhoto

Matt Hickman ( @mattyhick ) writes about design, architecture and the intersection between the natural world and the built environment.

Join an exclusive "fan club" on Sunday
While fidgeting with all your clocks this weekend (daylight savings!), remember to reverse the direction of ceiling fans to save on winter heating bills.