Ceiling Fan Cfm Ratings

What is cfm and ceiling fan airflow.

Ceiling fan cfm ratings. Cfm stands for cubic feet per minute it is also referred to as airflow. However it is important to focus on other attributes as well and not only focus on cfm ratings because cfm is based on globally. Other considerations include blade pitch the fan s motor and the shape of the blades.

It is my opinion that this is the most important piece of information. Cubic feet per minute. The cfm rating on your ceiling fan indicates how much air a fan moves while the fan is on its highest speed.

Airflow rating or flow rate is the most effective way to measure the efficiency of a ceiling fan. Most versatile comet. Go back to part 1.

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. Determine the size of your bathroom with this formula. Cfm is the most common form of measurement when speaking about ventilation heating and cooling.

Both the volume of air and the rate the air is moving is measured. Ceiling fan cfm airflow ratings doe requires ceiling fan manufacturers to test and publish cfm airflow ratings. These are ratings that the fan receives based on full speed performance.

Put simply cfm is how much air a fan moves. A fan should have a cfm rating high enough to replace the air in your bathroom at a rate 8 times per hour. Each bath fan will indicate the maximum square footage it can t ventilate.