Restroom Ventilation Fans

Exhaust fans mount through a cutout in a roof or wall.

Restroom ventilation fans.

Exhaust fans force out stale indoor air so it can be replaced by fresh outdoor air. Bath fans ventilation fans for any space it s important to keep stale and humid air out of the most essential rooms in our homes. A commercial restroom will require air to be changed 8 12 times an hour depending on the size of the facility and your local code. How to choose the right fan before you buy make sure you find a fan that s powerful enough to ventilate your space.

This exhaust air can be routed either to the roof using ductwork and a roof vent or to the side. Choose a fan that can move at least 1 cfm per square foot of room. When shopping for a ventilation fan you should consider the room size sound level and light options. Bathroom ventilation fans if properly installed draw out damp air and odors from your home.

Small room bath fans perfect for a modest sized bath or powder room. All municipalities have different requirements but some do not draw a hard line on requiring exhaust fans. That s why the home depot carries a variety of bathroom exhaust fans to fit all of your needs. Broan nutone ae110lk flex bathroom exhaust ventilation fan with led light energy star certified 110 cfm 1 0 sones white by broan nutone 98 24 98.

The illustration above demonstrates the use of a ceiling exhaust fan mounted in the rest room exhausting the stale air. Bathroom ceiling fans are great for keeping a room comfortable and circulating air but they don t extract odors. Bathroom select a fan with a 50 to 80 cfm rating. For example for a 50 79 sq.

What is the bathroom exhaust fan venting code. They re commonly used to reduce moisture and remove smoke and odors in restaurants residences shop and production floors and commercial buildings. Required bathroom vent fan ventilation rate in cfm this ventilation code specifies a bathroom exhaust airflow rate for toilet rooms and bathrooms not served by a window of adequate size of 25 or 50 cfm ft for hotels motels resorts and dormitories and a slightly more modest 20 50 cfm for private dwellings. In lieu of an external vent the hardwired fan moves air across a filter to purify it before recirculating it in the space.

Surprisingly bathroom fans are not required by some building codes. Without properly installed ventilation rooms with high humidity can experience paint or wallpaper peeling or costly damage to drywall and wood structures.