If your house is like most, you’re waging a constant battle against mildew, condensation, peeling paint and wallpaper, and other problems caused by excess moisture in your bathroom. The most effective remedy is to install an exhaust fan that will draw the water vapor produced by your shower to the outside. The vapor will be exhausted through a pipe made of rigid or flexible metal or plastic to an exhaust vent mounted on the roof or, occasionally, on an exterior wall. (Never exhaust water vapor into an attic or crawl space, as major structural damage and/or health issues can result.) If you don’t already have a fan in place, you will need to purchase an exhaust duct kit, in addition to the new fan.

The first step is to determine the kind of fan that will meet your requirements. It’s important that the fan be strong enough to exhaust all the water vapor in the size bathroom you have.  According to the Home Ventilating Institute, you can compute how powerful a fan you’ll need by calculating (read more…..)