How efficient are ceiling fans at cooling a house? - Corley Plumbing Air Electric
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How efficient are ceiling fans at cooling a house?

June, 13th, 2012

Ceiling fans will never become obsolete in spite of the popularity of air conditioners as home cooling devices. Using a ceiling fan to ventilate and cool your home instead of or in conjunction with using an air conditioner will reduce your energy bill and is quite effective. Ceiling fans move and circulate the air in your home to get rid of the heat. Air movement and circulation also produces a chill effect that cools the body.

 

Ventilation cooling with the use of ceiling fans works more effectively when combined with other energy saving measures such as roof reflectivity, which is achieved by painting the roof white or any light color, planting trees around the house to provide shade, providing cooling window treatment and insulating the attic.

Circulating Fans
Ceiling fans belong to the family of circulating fans that also includes floor fans, table fans, window fans and fans mounted on walls or poles. These fans produce a wind chill effect that makes the room feel more comfortable even when it’s also cooled by air conditioning or natural ventilation.

Benefits of ceiling fans
If you chose the right ceiling fan, you can effectively lower the temperature of a room by around 5 degrees, lower your energy bills by 15% and also add to the aesthetics of the room. The right ceiling fan is a ceiling fan properly sized for the room. The size of a ceiling fan is measured by the length of its paddles. The paddle length of residential ceiling fans vary from 29 to 54”. Choose a ceiling fan that is the right size for the room to get the maximum benefits of a ceiling fan.

Ceiling fans also helps in reducing your heating bills by up to 2% for each degree that the thermostat drops in winter. This can be done by switching into reverse the rotation of the fun and making it run slowly. The clockwise rotation of the fan breaks the hot hair that builds up at the ceiling and forces it down. This is most effective for rooms with cathedral ceilings or high angled ceilings although some experts say that the advantage won’t be felt in a room with a typical 8-foot ceiling.