Ceiling Fan Size Guidelines

Ceiling fans should be installed or mounted in the middle of the room and at least 7 feet above the floor and 18 inches from the walls.

Ceiling fan size guidelines.

For rooms less than 144 square feet ceiling fan manufactures provide fans with blade spans of 42 or under. 144 to 225 square foot rooms will need 44 54 inch blade spans and finally 225 to 400 square foot rooms will need a blade span between 50 and 72 inches. For rooms between 75 and 144 square feet your ceiling fan should have a diameter of 36 to 42 inches. For safety the bottom of the fan needs to be at least 7 feet above the floor.

For rooms 76 144 square feet you ll need a 36 44 inch blade span. For larger rooms with a square footage around 225 a 50 to 54 inch 130 to 140 cm blade. For adequate air circulation the fan blades should hang 8 inches or more from the ceiling. For anything larger than that you ll need to invest in more than one ceiling fan.

If ceiling height allows install the fan 8 9 feet above the floor for optimal airflow. For a room that is 10 10 feet you need a ceiling fan that can cool an area of 100 square feet. In terms of sizing your ceiling fan for your bedroom there are two common size options for bedrooms. If you have a regular sized bedroom of 144 to 225 square feet then a medium ceiling fan with a blade span of 44 to 50 inches will be a great fit.

You should also try to ensure that it has a cfm rating of 1 000 3 000. You will want to check your fan to ensure that its cfm rating is anywhere between 1 600 and 4 500. What size ceiling fan do i need for a 12 12 room. 400 square feet or less work best with medium ceiling fans that range from 48 inches to 54 inches.