Ceiling Fan Cfm Ratings

Cfm is the most common form of measurement when speaking about ventilation heating and cooling.

Ceiling fan cfm ratings.

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. Other considerations include blade pitch the fan s motor and the shape of the blades. 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. Ceiling fan lighting requirements.

Airflow rating or flow rate is the most effective way to measure the efficiency of a ceiling fan. Most versatile comet. Determine the size of your bathroom with this formula. If all else fails check the packaging.

Cfm stands for cubic feet per minute it is also referred to as airflow. Ceiling fan cfm airflow ratings doe requires ceiling fan manufacturers to test and publish cfm airflow ratings. Room size cfm rating. It is my opinion that this is the most important piece of information.

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. Put simply cfm is how much air a fan moves. 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. Go back to part 1.

After calculating your required cfm make sure to check the rating of any fan your purchase. 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. Kitchens dining rooms and bedrooms up to 300 square feet 3000 to 4000 cfm. Both the volume of air and the rate the air is moving is measured.

Large bedrooms family rooms or living rooms up to 450 square feet 4000 to 6000 cfm. Most fans are. A fan should have a cfm rating high enough to replace the air in your bathroom at a rate 8 times per hour. The amount of airflow a ceiling fan can produce per minute is most commonly measured in cubic feet per minute or cfm.

Ceiling fan comparison chart. 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. This is the actual volume of air that the fan is capable of moving on high speed. Small rooms under 200 square feet up to 3000 cfm.

Open basements large rec rooms over 450 square feet 5000 to 9000 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. Each bath fan will indicate the maximum square footage it can t ventilate. Purchase a bathroom fan with the required cfm rating or higher.

The cfm rating on your ceiling fan indicates how much air a fan moves while the fan is on its highest speed. Length x width x height x 0 13 minimum cfm rating.