Cubic Feet per Minute, a standard of airflow measurement. A typical air conditioning system produces 350 CFM - 400 CFM per ton of air conditioning.
BTU, or British Thermal Units, are how to measure the amount of heat required to raise or lower one pound of water by one degree Fahrenheit, and can help determine the right size system for your home.
Capacity refers to the potential output of an HVAC unit.
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