Installing Bathroom Exhaust Fan

Note that the bathroom vent fan must always exhaust to the outdoors.

Installing bathroom exhaust fan.

Here is the link to th. Ceiling fans vent either into the. Letting the fan exhaust into an open attic will cause moisture buildup on the underside of the roof. The first step in figuring out how to install a bathroom fan is cutting a hole based on the size of the fan you need.

Small bath fans provide adequate bathroom ventilation for 79 sq ft. There are wall mount exhaust fans as well as ceiling exhaust fans. Video tutorial on how to replace your bathroom exhaust fan in 5 minutes or less. And under while medium bath fans work well for bathooms 70 to 100 sq ft.

Avoid venting through a soffit vent or ridge vent. While bathroom exhaust fan installation is not the easiest home improvement project the bulk of the work is centered around the physical rigors of standing on a ladder and working above your head along with the more taxing work of crouching in your attic while wearing a dust mask or respirator. For bathroom over 100 sq ft use a large or exhaust fan to circulate the air. The warm air will exhaust out the duct and enter back into the attic through the soffit vent or ridge vent.

If you have a bathroom with a separate enclosed toilet you ll also need an additional fan for that space. See below for a shopping. For quick reference a 50 square foot bathroom needs a 50 cfm fan. I ve replaced lots of this style broan fan and they are very popular.

In this video this old house host kevin o connor works with a professional electrician to install a ventilation fan in a bathroom. Another consideration to think about is the placement of your fan.