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Ceiling fan airflow rating.
Airflow rating or flow rate is the most effective way to measure the efficiency of a ceiling fan.
Airflow efficiency is the cfm divided by the watts amount of energy used to run the fan at its highest speed.
What is a dc motor ceiling fan and what are its benefits.
Cfm measuring airflow efficiency.
But what cfm is best.
The cfm rating of the fan is the key consideration when choosing a fan as it determines the area a fan will cool and circulate.
This makes it easy to compare two or more fans of similar size.
See what gives a fan power airflow efficiency and why.
The four areas that determine airflow are blade shape blade pitch distance from ceiling and motor quality.
This is the main point of this article which i explain in more detail further on.
The best fans have an airflow of 3 000 cfm or above.
Best is over 6 000.
Good cfm ranges from 4 000 to 5 000.
The amount of airflow a ceiling fan can produce per minute is most commonly measured in cubic feet per minute or cfm.
A cfm of 75 is the minimum number to make a fan efficient.
Better ranges from 5 000 to 6 000.
At a glance this information helps you to gauge a ceiling fan s airflow and efficiency.
Airflow is one of the biggest factors to consider when choosing a ceiling fan.