Bathroom Exhaust Fan Venting Attic

Bathroom fan sound levels.

Bathroom exhaust fan venting attic. Second during cold winters you ll be blowing warm moist air onto a cold surface the roof vent and roof plywood. Bathroom exhaust fans perform an important function by removing excess moisture from your home. Ceiling fans vent either into the attic or outside through the roof. No you cannot vent your bathroom exhaust fan into the attic.

If you re tempted to vent your exhaust fan through an existing roof vent or even vent it into the attic don t do it. Bath vent fan installation building codes bath vent fan troubleshooting bath vent fan repair. We explain how to install bathroom exhaust fans or vents the vent ducting. Your attic is not a temperature controlled environment is never the same temperature as your living space and generally closer to the temperature outside.

Either way the vent will have to go directly to the outside and installed with a vent hood cover. First you ll partially block your roof vent with the piping reducing the flow of cooling air through your attic. 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. Wall mount fans are mounted on an external wall of a home and are used if there isn t a way to vent through the roof as in the case of a bathroom on the first floor of a home.

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. How to install a bathroom vent fan.