Bathroom Exhaust To Attic

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.

Bathroom exhaust to attic.

There are wall mount exhaust fans as well as ceiling exhaust fans. Never allow the duct to simply blow into an attic crawlspace or other enclosed area. Allowing the exhaust to vent into your attic can potentially cause several moisture problems. See bathroom vent duct termination for details about how to terminate the bath exhaust vent duct.

It seems like such an easy solution just leave a bathroom vent hose in an attic. 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. 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 exhaust needs to vent outdoors.

Venting a bathroom exhaust fan into your attic is never a good idea here are three better options. Venting through a roof vent or exhausting them in the attic could cause moisture problems and rot. Today s homeowner serves cookies to analyze traffic and better serve you. No you cannot vent your bathroom exhaust fan into the attic.

Example model ventilation codes. If you re simply replacing the fan the ducts should already be set up for you. If you have access to the attic the fan can vent either through a gable wall or roof. Bathroom fan sound levels.

It s all outdoor air anyways right. You should never exhaust the bathroom fan directly into the attic. However you can vent a bathroom fan through an attic while it terminates on the roof or gable end. Ceiling fans vent either into the attic or outside through the 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. Avoid venting through a soffit vent or ridge vent. Letting the fan exhaust into an open attic will cause moisture buildup on the underside of the roof. No you should not vent a bathroom fan directly into an attic.

The warm air will exhaust out the duct and enter back into the attic through the soffit vent or ridge vent.