Definitions

1. noun

A unit of measurement for flow rate, especially for air or water, equal to one hundred cubic feet per minute.

“The fan’s airflow was measured at 200 cfm.”

2. abbreviation

Cubic Feet per Minute

“The HVAC system’s cfm rating exceeded expectations.”

3. noun

A unit of measurement for flow rate, especially in the context of air conditioning, heating, ventilation, and refrigeration.

“The air conditioning system had a cfm rating of 3000.”