Ceiling Fan Cfm Ratings

The measurement is taken when the ceiling fan is on its highest speed and uses both the volume of air and the rate at which it moves.

Ceiling fan cfm ratings.

A fan should have a cfm rating high enough to replace the air in your bathroom at a rate 8 times per hour. Room size cfm rating. The cfm is determined by the efficiency of the ceiling fan in other words the amount of air it can circulate in cubic feet per minute. It is my opinion that this is the most important piece of information.

Ceiling fan cfm airflow ratings doe requires ceiling fan manufacturers to test and publish cfm airflow ratings. For a room between 144 225 square feet you should get a ceiling fan that has a 44 to 50 blade span and recommended cfm rating of 1 600 and 4 500. Other considerations include blade pitch the fan s motor and the shape of the blades. Open basements large rec rooms over 450 square feet 5000 to 9000 cfm.

Small rooms under 200 square feet up to 3000 cfm. After calculating your required cfm make sure to check the rating of any fan your purchase. What size ceiling fan should you get. The cfm rating on your ceiling fan indicates how much air a fan moves while the fan is on its highest speed.

Cubic feet per minute. The amount of airflow a ceiling fan can produce per minute is most commonly measured in cubic feet per minute or cfm. However it is important to focus on other attributes as well and not only focus on cfm ratings because cfm is based on globally. Kitchens dining rooms and bedrooms up to 300 square feet 3000 to 4000 cfm.

Cfm is the most common form of measurement when speaking about ventilation heating and cooling. Cfm stands for cubic feet per minute it is also referred to as airflow. Put simply cfm is how much air a fan moves. Purchase a bathroom fan with the required cfm rating or higher.

These are ratings that the fan receives based on full speed performance. Large bedrooms family rooms or living rooms up to 450 square feet 4000 to 6000 cfm. Go back to part 1. Length x width x height x 0 13 minimum cfm rating.

Check out the quick reviews below of our top five ceiling fans or scroll deeper for more helpful buying info and full reviews of those models plus other high ranking options. 5 x research source a fan with too low of a rating won t remove moisture effectively while buying a fan with too much power may lead to unnecessary noise as more powerful fans tend to. Each bath fan will indicate the maximum square footage it can t ventilate. Most versatile comet.

Both the volume of air and the rate the air is moving is measured. If all else fails check the packaging. Ceiling fan comparison chart. For rooms that are 144 square feet a ceiling fan with a blade span under 42 and a cfm rating of 1 000 3 000.

This is the actual volume of air that the fan is capable of moving on high speed. Ceiling fan lighting requirements.