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Installing a bath ventilation fan will protect your bathroom from moisture. Too much moisture can produce mold and mildew in your home. Also, the humidity from running the shower can start to wear on your bathroom décor, including the paint and furniture. A bath ventilation fan also helps minimize uncomfortable odors.

The strength of a bathroom fan is described in CFM (cubic feet per minute); how much CFM you need depends on the square footage of your bathroom.

Modern bath ventilation fans are also available with additional features, such as timer, heater, night light and decorative styles.