How Do Attic Fans Work?
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What is an Attic Fan?
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An attic fan is a fan in an attic--either a ceiling fan, box fan or stand fan--to improve the ventilation and air circulation there. The fan can be placed in different places and directions to achieve the desired air flow. An attic fan can be wired into the house's electrical system or plugged into an outlet.
Attic Fans Reduce Heating and Cooling Costs
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Directing a fan down through a vent from the attic can help keep the house warm. This is because heat rises and will collect in the attic; a fan will blow it down into the rest of the house. In the summer, an attic fan will help circulate air from your cooling system throughout the home.
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Improving Air Quality
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An attic fan keeps air moving in the attic, keeping the space from becoming stale and stagnant, and will help keep the attic dry and fight humidity. Moisture and lack of air circulation promote the growth of mold and mildew, so keeping the air moving and dry helps prevent this and musty odors.
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