When choosing a ceiling fan it is important to buy the right size for your home. If a room is 75 square feet or less, a fan with 29-inch blades will be appropriate, most homes have ceiling fans that are far larger than they need to be. Choosing the right size fan will keep energy from going to waste.
Standard ceiling fans have a motor that has to work hard to turn the blades, and produces heat that adds to the air conditioning burden. New energy efficient ceiling fan models use aerodynamic blades that can function with a lower-power motor, meaning more efficiency and less unwanted heat.
Energy efficient ceiling fans can be used in winter as well. By reversing the motor the fan will operate in a clockwise direction. This will force warm air that is near the ceiling down into the occupied area so you can lower your heating and make the most of this simple technique.
It is also important to clean your ceiling fan. Dust on the blades can hinder the flow of the ceiling fan by 10% making the motor work harder and your energy bills rise.