Bathroom Exhaust To Attic

There are wall mount exhaust fans as well as ceiling exhaust fans.

Bathroom exhaust to attic.

Venting through a roof vent or exhausting them in the attic could cause moisture problems and rot. Example model ventilation codes. 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. The warm air will exhaust out the duct and enter back into the attic through the soffit vent or ridge vent.

Today s homeowner serves cookies to analyze traffic and better serve you. No you should not vent a bathroom fan directly into an attic. No you cannot vent your bathroom exhaust fan into the attic. You should never exhaust the bathroom fan directly into the attic.

It seems like such an easy solution just leave a bathroom vent hose in an attic. Allowing the exhaust to vent into your attic can potentially cause several moisture problems. It s all outdoor air anyways right. 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.

However you can vent a bathroom fan through an attic while it terminates on the roof or gable end. Vent your bath and kitchen exhaust fans through the roof through a special roof hood. If you have access to the attic the fan can vent either through a gable wall or roof. 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 exhaust needs to vent outdoors. Bathroom fan sound levels. Never allow the duct to simply blow into an attic crawlspace or other enclosed area. Letting the fan exhaust into an open attic will cause moisture buildup on the underside of the roof.

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. Avoid venting through a 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.

If you re simply replacing the fan the ducts should already be set up for you.