Exhaust Fan Into 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.

Exhaust fan into attic.

However you can vent a bathroom fan through an attic while it terminates on the roof or gable end. Home builders learned from this lesson and began running exhaust ventilation ducts to the outside of the home. No you should not vent a bathroom fan directly into an attic. Hot air exhaust vents located at the peak of the roof allow hot air to escape.

This prevents hot air from seeping into your home and driving up the temperature in the living space which reduces the load on your air conditioner. Both bathrooms are vented by a single in line fan that has one exhaust vent running through the roof. Intake vents located at the lowest part of the roof under the eaves allow cool air to enter the attic. It can cause you a lot of problems with mold and mildew forming on the underside of your rafters and decking as well as getting into your insulation.

You should never exhaust the bathroom fan directly into the attic. Each fan vents separately out the roof. No it s never a good idea to have any exhaust fan in your home dump all that hot moist air in your attic. They are typically easier to install and won t detract from the appearance of your roof.

Historically extractor fans were vented into the attic of the home. Each bathroom has its own exhaust fan. One in line centrifugal fan can be mounted in the attic to exhaust the moisture from two bathrooms. Master flow egv5 gable mount attic ventilators are master flow egv5 gable mount attic ventilators are a great choice for exhaust ventilation.

For this to work properly air ducts must be properly sealed meaning no tears or holes that would allow moisture to escape into the wrong spots. They can quickly remove a larger volume of hot and or humid air from your attic compared to static ventilation which helps save money on your heating and cooling. Attic ventilation fans help cool air your attic by pushing out the stifling hot air from inside the attic and bringing in cool air from outside. No you cannot vent your bathroom exhaust fan into the attic.