Here is a common myth related to money that, once dispelled, might save you some:
Myth: Ceiling fans help cool a room.
Reality: Ceiling fans don't cool the air. They create a wind chill that keeps skin cool. So don't leave a fan on in an empty room, says the U.S. Department of Energy's EnergyStar program. Using fans is a cheaper way to keep you cool only if it allows you to use less air conditioning.