No. Fans make people feel cooler, because moving air fosters evaporation on skin. The running fan uses energy to run, and actually adds a little heat to the space. Fans in occupied rooms save energy by keeping you comfortable with a higher thermostat setting on the air conditioner, but you should always turn off fans in unoccupied rooms.
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If I leave fans running all day, will they keep the house cooler?
Last Updated: December 01, 2011
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