Exhaust bathroom fan into attic. No you should not vent a bathroom fan directly into an attic. Mold can spread rapidly in an attic. Not all building jurisdictions require bathrooms to have an exhaust fan if the bathroom has an openable window that has 15 square foot of open area when open. Lets take a look below at the reasons why you do not want to vent the bathroom exhaust fan into your attic. Mold is commonly found in attics with bath fans that exhaust moist air into the attic. Bath fans should always exhaust outside through the roof via insulated duct and terminate on a dampered roof cap. Behind a soffit vent.
No you cannot vent your bathroom exhaust fan into the attic. Through the roof or an exterior gable wall. How to properly vent a bathroom exhaust fan in an attic. If the bathroom exhaust fan vents into the attic you risk the possibility of. PROPER BATH FAN EXHAUST. Air shall not be exhausted into an attic except whole house. It seems like such an easy solution just leave a bathroom vent hose in an attic.
Installing a properly insulated exhaust fan is essential. The air is removed from your bathroom is warm moist air. It seems like such an easy solution just leave a bathroom vent hose in an attic. Options for venting a bathroom exhaust fan include best to worst. In all cases the ducting needs to conduct the exchaust to the building exterior and needs to terminate in an animal-proof vent. Behind a soffit vent.