Bathroom Exhaust To Attic

Vent your bath and kitchen exhaust fans through the roof through a special roof hood.

Bathroom exhaust to attic.

The building code requires a bathroom exhaust fan to vent outside the building so installation of a new bathroom fan necessarily involves installation of ductwork. Ceiling fans vent either into the attic or outside through the roof. Exhaust air from toilet rooms and bathrooms shall not discharge into attic crawl space or other areas inside building. Your attic is not a temperature controlled environment is never the same temperature as your living space and generally closer to the temperature outside.

The warm air will exhaust out the duct and enter back into the attic through the soffit vent or ridge vent. See bathroom vent duct termination for details about how to terminate the bath exhaust vent duct. Venting a bathroom exhaust fan into your attic is never a good idea here are three better options. Avoid venting through a soffit vent or ridge vent.

It s all outdoor air anyways right. Allowing the exhaust to vent into your attic can potentially cause several moisture problems. This is much easier to do if you have attic access because if you don t you usually have to remove some ceiling drywall and run the ducts along a joist. Bathroom fan sound levels.

You should never exhaust the bathroom fan directly into the attic. Note that the bathroom vent fan must always exhaust to the outdoors. No you cannot vent your bathroom exhaust fan into the attic. It seems like such an easy solution just leave a bathroom vent hose in an attic.

Never allow the duct to simply blow into an attic crawlspace or other enclosed area. 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. However you can vent a bathroom fan through an attic while it terminates on the roof or gable end. Example model ventilation codes.

Letting the fan exhaust into an open attic will cause moisture buildup on the underside of the roof. Today s homeowner serves cookies to analyze traffic and better serve you. If you have access to the attic the fan can vent either through a gable wall or roof. There are wall mount exhaust fans as well as ceiling exhaust fans.

No you should not vent a bathroom fan directly into an attic.