Bathroom Exhaust To Attic

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

Bathroom exhaust to attic.

Your attic is not a temperature controlled environment is never the same temperature as your living space and generally closer to the temperature outside. No you should not vent a bathroom fan directly into an attic. No you cannot vent your bathroom exhaust fan into the attic. Example model ventilation codes.

Letting the fan exhaust into an open attic will cause moisture buildup on the underside of the roof. Note that the bathroom vent fan must always exhaust to the outdoors. The warm air will exhaust out the duct and enter back into the attic through the soffit vent or ridge vent. You should never exhaust the bathroom fan directly into the attic.

Avoid venting through a soffit vent or ridge vent. If you have access to the attic the fan can vent either through a gable wall or roof. Exhaust air from toilet rooms and bathrooms shall not discharge into attic crawl space or other areas inside building. There are wall mount exhaust fans as well as ceiling exhaust fans.

Today s homeowner serves cookies to analyze traffic and better serve you. Venting a bathroom exhaust fan into your attic is never a good idea here are three better options. 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.

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. It s all outdoor air anyways right. If you re simply replacing the fan the ducts should already be set up for you.

Venting through a roof vent or exhausting them in the attic could cause moisture problems and rot. It seems like such an easy solution just leave a bathroom vent hose in an attic. See bathroom vent duct termination for details about how to terminate the bath exhaust vent duct. Bathroom fan sound levels.

The exhaust needs to vent outdoors.