Proper Venting Of Bathroom Exhaust Fan

Here this old house general contractor tom silva shows the proper way to install a bath vent fan.
Proper venting of bathroom exhaust fan. Note that the bathroom vent fan must. Bathrooms must have windows when this section is adopted by a community it essentially says that for venting purposes bathrooms must have windows that open. Bathroom exhaust fan venting code summary section r303 3.
A bathroom is an ideal place for mold to take root. How to install a bathroom vent fan. This article series explains why bathroom vent fans are needed and describes good bath vent fan choices necessary fan capacity and good bath vent fan and vent duct installation details.
Vent your bath and kitchen exhaust fans through the roof through a special roof hood. In this particular installation tom ran the exhaust duct into the attic and through a sidewall to the outdoors. Venting through a roof vent or exhausting them in the attic could cause moisture problems and rot.
Options for venting a bathroom exhaust fan include best to worst. When venting a bathroom exhaust fan make sure to vent the air to the outside rather than into your attic where it can cause mold and mildew to form. We explain how to install bathroom exhaust fans or vents the vent ducting.
Other venting options includes running the duct up through the roof or down through the soffit. A bathroom exhaust fan is one of the best ways to keep the humidity in your bathroom at a comfortable level and keep mold at bay. The best exhaust fan venting is through smooth rigid ducts with taped joints and screwed to a special vent hood.