CFM stands for "Cubic Feet per Minute," a measurement used to quantify the volume of air that moves in one minute. It is commonly used in various applications, including heating, ventilation, and air conditioning (HVAC) systems, to determine the efficiency and capacity of air-moving equipment like fans and blowers. In the context of HVAC, a higher CFM rating indicates a greater airflow, which can improve indoor air quality and comfort. Understanding CFM is essential for selecting the right equipment for specific spaces, ensuring that air circulation meets the needs of the environment effectively.