Can I Exhaust Bathroom Fan Into Attic

Duct already wrapped in insulation at home centers.

Can i exhaust bathroom fan into attic.

You should never exhaust the bathroom fan directly into the attic. This article describes routing bath exhaust fan duct upwards through an attic or roof space or downwards through a floor or crawl space. You can find 4 in. Bathroom exhaust fan venting tips and best practices.

It seems like such an easy solution just leave a bathroom vent hose in an attic. The roof soffit is also an excellent place to vent the bathroom exhaust. No you should not vent a bathroom fan directly into an attic however you can vent a bathroom fan through an attic while it terminates on the roof or gable end. It is against the residential code and will lead to mold growth in the attic.

Bathroom exhaust fans perform an important function by removing excess moisture from your home. Never vent the bathroom into the 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. 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.

Can i vent a bathroom fan into my attic. Bathroom ventilation fan duct routing routing a bath vent duct down out or up through an attic or roof out. The installation process is similar to the ones already discussed. First you ll partially block your roof vent with the piping reducing the flow of cooling air through your attic.

No you cannot vent your bathroom exhaust fan into the attic. If you re tempted to vent your exhaust fan through an existing roof vent or even vent it into the attic don t do it.