Exhaust Fan Size For Bathroom

Small room bath fans perfect for a modest sized bath or powder room.

Exhaust fan size for bathroom.

Bathroom select a fan with a 50 to 80 cfm rating. For example for a 50 79 sq. The size of your bathroom can help determine how many cfms you need. Bathroom select a fan with a 50 to 80 cfm rating.

Choose a fan that can move at least 1 cfm per square foot of room. An effective bathroom fan should be capable of replacing the entire volume of air 8 times per hour or every 7 5 minutes. Fans with surfaceshield technology combine the power of broan nutone s bathroom ventilation fans with vital vio s led light technology to prevent the growth of bacteria mold yeast and fungi. A 50 square foot or smaller bathroom needs a 50 cfm fan.

To arrive at your required cfm simply divide your bathroom s volume by 7 5. The minimum allowed fan size is 50 cfm so if your bathroom is for example only 42 square feet you still need a 50 cfm fan. For a standard 10ft by 10 ft bathroom with an 8 ft ceiling you will need an exhaust fan capable of 106 67 cfm. For example if your bathroom is 80.

Higher ceilings would require a larger fan. Broan surfaceshield vital vio powered exhaust fan w led light antibacterial light. Some manufacturers recommend the number of cfms based on square feet or cubic feet. Determine the required cfm for your bathroom fan.

For bathrooms less than 100 square feet you can just go with 1 cfm for every square foot of floor area he says. But o brian suggests a simpler rule of thumb. If your bathroom is larger than 100 square feet tally the cfm requirements for the individual fixtures to estimate your needs. Length x width square feet length x width x height cubic feet.

Tam asks what size exhaust fan should we use in our small bathroom if your bathroom has an 8 ceiling the cubic feet per minute cfm rating for your fan should be as high or higher than the number of square feet in the room. 10ft 10ft 8ft 7 5 106 67 cfm bathroom fan exhaust size calculator. For bathrooms between 50 and 100 square feet estimate approximately 1 cfm per square foot. Choose a fan that can move at least 1 cfm per square foot of room.

Small room bath fans perfect for a modest sized bath or powder room. Read on to find out more. For example for a 50 79 sq.