Calculate Fan Size For Room

The size of a ceiling fan is determined by the size of the room or the area which you are looking to.

Calculate fan size for room.

Determining the cfm of a room is a mathematical process of figuring the room s cubic area as well as the rate at which you desire the air to circulate throughout the room. The effectiveness of the fan will be rated in cfm or cubic feet per minute of air moved. This calculator is based on the current trend to use larger fans in smaller rooms. Calculate size of ventilation fan for bathroom of 10 foot long 15 foot width and 10 foot height.

Size of ventilation fan. For the calculation simply. Choose the largest fan with the highest wind speed that will fit into the space without overwhelming it visually. The term cfm is an acronym that stands for cubic feet per minute a term used to describe a fan s efficiency in terms of airflow.

Learning how to calculate cfm for a bathroom fan will help you purchase the right size fan for your space. Insert length height and width of the environment to calculate the meters cubed. Try our ceiling fan size recommendation calculator here. Foot from the table air changing rate ach for bathroom 8 times hour.

Exhaust fan calculator step 1. The calculator tool for air exchange necessary for your forced extraction and ventilation systems was created to simplify the sum of meters cubed of air necessary to correctly ventilate your room. Area of the room length x width x height area of the room 10 x 15 x 10 1500 cub. Enter your room size.

A large ceiling fan in a small room will create an uncomfortable amount of airflow. In rooms larger than 10 x 10 leave 2 to 3 feet from the. Unless you like replacing your ceiling fan every few months or feeling as if you re in a tornado choose a ceiling fan that is proportionate to the room size. Whether exhausting air or bringing fresh air into a structure the calculation produced should help to figure out the size of fan s required to accomplish the air exchanges needed.

Ft size of fan in inches room type cfm rating below 75 29 36 bathrooms utility spaces nooks below 1000 75 144 36 42 small bedrooms nooks porch work areas 1000 3000 144 225 44 50 medium bedrooms dining areas patio kitchen 1600 4500 225 400 50 62 large bedrooms living rooms family rooms. To be effective a bathroom fan needs to be powerful enough to completely replace the air in the room about 8 times every hour. Ceiling fan size recommendation calculator. This fan calculator is typically used to calculate the cfm or cubic feet per minute of air exchange that may be desired in a building.

Select installation location step 2.