Why Do Bathrooms Have Exhaust Fans. There are 3 main reasons as to use exhaust fans. The exhaust fan is often seen as a nice-to-have when it comes to bathrooms.
They serve two primary purposes removing bad odor from the room and also removing moisture and humidity from the area. Why Do You Need a Bathroom Exhaust Fan. If you simply deposit it in another room or attic you are potentially just moving the problem to.
They serve two primary purposes removing bad odor from the room and also removing moisture and humidity from the area.
Surprisingly bathroom fans are not required by some building codes. In your bathroom at home its easy the fan just needs to suck air straight through the external wall to the outside. So if you have an 8 foot x 10 foot bathroom you would need at least an 80 CFM fan. Otherwise you are simply taking moisture out of the space and introducing it into smaller spaces with little to no access for maintenance.
