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Are Ceiling Fans a Good for Energy Efficiency?

Ceiling fans would seem, at first glance, to be a smart tool in the overall mix of your home's energy efficency equipment. But too few know that their real value. They're essentially worthless use electricity and the motors create heat that the air conditioner has to remove,  if people aren't present in the room. 

If people only use them when they are in the room, then the air moving over their skin will make them feel cooler, and if they then set their thermostat a bit higher, then the extra heat is a small price to pay for the comfort and energy savings. They do not prevent mold or improve indoor air quality.

Do you leave your fans on when no one is home? 

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