What Is CFM Airflow?

CFM refers to the method of measuring the volume of air moving through a ventilation system or other space, also known as “Cubic Feet per Minute.” This is a standard unit of measurement found in many forms of ventilation, both in vehicle and in home heating, ventilation and air conditioning systems.

For example, a home air conditioner moves roughly 400 cubic feet of air per minute. For metric measurements, 1 cubic foot of air equals approximately 28.31 liters. Professionals measure this rate using a tool known as an anemometer, which measures both the volume of air and the rate at which it moves.

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