Can You Exhaust Bath Fan Into Attic

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.

Can you exhaust bath fan into attic.

In no case is it acceptable to just dump any exhaust fan directly into an attic. This setup requires an in line centrifugal fan mounted in the attic drawing air simultaneously from both. Bathroom exhaust fans perform an important function by removing excess moisture from your home. No matter the location of the bathroom you can vent the exhaust fan through the wall.

It seems like such an easy solution just leave a bathroom vent hose in an attic. In all cases the ducting needs to conduct the exchaust to the building exterior and needs to terminate in an animal proof vent cover. There are really only three venting options. Your attic is not a temperature controlled environment is never the same temperature as your living space and generally closer to the temperature outside.

But while you can t have two fans with one vent you can make one fan and one vent serve two bathrooms. There aren t many options for routing an exhaust fan to the outside of the house. Anon if i understand your original question you have a bath exhaust that is discharging into a roof cavity or space not to outside. All municipalities have different requirements but some do not draw a hard line on requiring exhaust fans.

On 2020 02 26 by anonymous. Can i vent a bathroom fan into my attic. In those areas ventilation in bathrooms is required but it can be from a window or fan your choice. Surprisingly bathroom fans are not required by some building codes.

Options for venting a bathroom exhaust fan include best to worst. If you re simply replacing the fan the ducts should already be set up for you. You d often blow air from one bathroom into the other and local building inspectors wouldn t approve it. It needs to exhaust to the exterior.

Ductwork is what will connect the fan to the outside. The exhaust needs to vent outdoors. This article describes routing bath exhaust fan duct upwards through an attic or roof space or downwards through a floor or crawl space. Before you can start replacing your old bathroom fan you ll need to determine what the fan size is.

Allowing the exhaust to vent into your attic can potentially cause several moisture problems. You should never exhaust the bathroom fan directly into the attic. Bathroom ventilation fan duct routing routing a bath vent duct down out or up through an attic or roof out. No you cannot vent your bathroom exhaust fan into the attic.

However that is what you do when you vent the bathroom exhaust fan into the garage.