How much cooler can a fan make a room?

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  1. 0 Votes

    Actually, fans do not cool the room, they cool people instead.  The fans actually increase the temperature due to the heat from powering the fan.  The fans blow air around, which increases evaporation from our skin.  That’s why leaving a fan on when you are not there is useless.  If you wish to lower the temperature of the room, air conditioning will do.

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