Can You Exhaust Bath Fan Into Attic

After a while all that moisture will condense on this equipment and this is a recipe for disaster.

Can you exhaust bath fan into 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. On 2020 02 26 by anonymous. Surprisingly bathroom fans are not required by some building codes.

If you re simply replacing the fan the ducts should already be set up for you. Bathroom exhaust fans perform an important function by removing excess moisture from your home. In no case is it acceptable to just dump any exhaust fan directly into an attic. Before you can start replacing your old bathroom fan you ll need to determine what the fan size is.

In those areas ventilation in bathrooms is required but it can be from a window or fan your choice. 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. This setup requires an in line centrifugal fan mounted in the attic drawing air simultaneously from both. This article describes routing bath exhaust fan duct upwards through an attic or roof space or downwards through a floor or crawl space.

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. No matter the location of the bathroom you can vent the exhaust fan through the wall. But while you can t have two fans with one vent you can make one fan and one vent serve two bathrooms. No you cannot vent your bathroom exhaust fan into the attic.

There aren t many options for routing an exhaust fan to the outside of the house. Allowing the exhaust to vent into your attic can potentially cause several moisture problems. Bathroom ventilation fan duct routing routing a bath vent duct down out or up through an attic or roof out. In all cases the ducting needs to conduct the exchaust to the building exterior and needs to terminate in an animal proof vent cover.

Ductwork is what will connect the fan to the outside. It needs to exhaust to the exterior. Options for venting a bathroom exhaust fan include best to worst. 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. There are really only three venting options. All municipalities have different requirements but some do not draw a hard line on requiring exhaust fans. Anon if i understand your original question you have a bath exhaust that is discharging into a roof cavity or space not to outside.

Can i vent a bathroom fan into my attic.