Bathroom Exhaust Fan Installation Attic

Avoid venting through a soffit vent or ridge vent.

Bathroom exhaust fan installation attic.

Letting the fan exhaust into an open attic will cause moisture buildup on the underside of the roof. Exhaust fan installation installing an exhaust fan requires electrical connections and ventilation to the exterior of your home. The warm air will exhaust out the duct and enter back into the attic through the soffit vent or ridge vent. Options for venting a bathroom exhaust fan include best to worst.

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. Your attic is not a temperature controlled environment is never the same temperature as your living space and generally closer to the temperature outside. Ceiling mounted fans typically use ducts hidden in the walls ceiling or attic to reach a safe exit point on the roof or a wall. If you have access to the attic the fan can vent either through a gable wall or roof.

Use the reference hole as a landmark to transfer your measurements from the attic to the ceiling. Mark the ceiling back in the bathroom measure the inside dimensions of the vent fan s intake port to determine what size hole you need. Through the roof or an exterior gable wall. No you cannot vent your bathroom exhaust fan into the attic.