How To Vent A Bathroom Fan Through The Wall

The best exhaust fan venting is through smooth rigid ducts with taped joints and screwed to a special vent hood.

How to vent a bathroom fan through the wall. It eliminates the need for routing ductwork through the house and these fans usually dry the bathroom more quickly. This involves running ductwork from the fan usually though an attic and out through the roof. These aren t specifically made for bathroom fans because some people install them in kitchens garages mudrooms and other locations.

In this video this old house general contractor tom silva explains how to vent a bathroom fan. From outside use 4 inch hole saw to cut hole for wall cap. Behind a gable vent.

Drive nail through house wall from attic. In addition to low profile bathroom exhaust fans there are also through the wall ventilation fans which you can install in your bathroom. Whether you are going to set up a bathroom vent through a brick wall or wooden exterior wall the process is super simple.

I recommend that my clients vent their bath fans out a gable wall if at all possible when not using an hrv or erv that is. A 3 or 4 inch duct connects to the outlet on the fan housing and runs to a side wall or to the roof and connects to a vent cap that allows the. This will serve as a reference point for positioning the wall cap.

Since a bathroom vent fan should run for 10 15 minutes after you finish your shower to remove all the moisture consider a fan that cuts on and off automatically using a moisture sensor or replace the wall switch with a timer. Venting through a roof vent or exhausting them in the attic could cause moisture problems and rot. Of course appropriate tools will accelerate your working speed.

Step by step process to venting a bathroom exhaust fan through the wall. If you vent through the roof condensation will drip back into the interior. Through the roof or an exterior gable wall.