What Is a Bathroom Exhaust Fan?


Quick Answer

A bathroom exhaust fan is a ventilation device that expels stale, humid and impure air from a bathroom, sending it out of the house through interior ductwork. When installed, the fan keeps the bathroom free of extra humidity, pollutants and odors.

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Full Answer

Bathroom exhaust fans are selected based on air movement capacity in the form of cubic feet per minute. When the appropriate fan is installed, it helps to remove the moisture from the mirrors and walls, which helps to extend the life of the room and keep repair costs to the bathroom walls and ceiling down. Without a bathroom exhaust fan, moisture and heat can warp doors, deteriorate the quality of the paint and wallpaper and rust metal fixtures.

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