Choosing and Installing a Bathroom-Vent Fan
Pick a fan that's quiet and powerful, and keep the duct short.
Synopsis: Bathroom vents remove moisture and help prevent peeling paint and wallpaper, mold, and rot. The author explains how to choose a fan and provides useful details on various options for wiring it. A sidebar shows how to run duct.
I once received a call from a homeowner complaining that his bathroom fan was not working. Although I responded within a few hours, I was too late to save the fan and far too late to save the bathroom. The room was victim to moisture damage from humid air: The wallpaper had begun to peel, and the drywall was blackened around the shower. It was obvious this fan had not worked in a long time. As the homeowner witnessed, moisture-laden air over time can cause a lot of damage in a bathroom, such as corroded light fixtures, rotted wood, and peeling wallpaper and paint. Moisture can also hasten the spread…