Optimal Ceiling Fan Settings Ceiling fans circulate the air in a room. During colder months, ceiling fans push warm air down from the ceiling, raising the temperature of a room. During warmer months, ceiling fans push cold air back into circulation, creating a windchill effect, of sorts.Here's what to do.◦When your heating system is on, rotate fan blades clockwise◦When your cooling system is on, rotate fan blades counter-clockwiseAs compared to adjusting your home's overall temperature in the summer, ceiling fans are economical and "green". Using the equivalent amount of energy as 100-watt light bulb, a single ceiling fan can reduce a room's effective temperature by 4 degrees. There's similar benefits in the colder winter months, too.July 10 2011 - Fort Oglethorpe00YesReport a ProblemProblemSelect oneOffensive contentIrrelevant contentSpam (pure self-promotion)OtherDetailsYour emailPlease enter a valid email address.Submit CancelContent flaggedWe will review this content. Thanks for helping make the site more useful to everyone. To learn more, read Zillow's Good Neighbor Policy.We're sorry. This service is temporarily unavailable. Please come back later and try again.