Home Repair, DIY & Building Costs

How Many Cfm Per Ton? Complete Answer

Quick answer: Most residential air conditioners are designed for roughly 400 CFM (cubic feet per minute) of airflow per ton of cooling capacity. A 3-ton system therefore needs about 1,200 CFM moving across the indoor coil. In very humid areas technicians sometimes drop this to 350 CFM per ton to wring more moisture from the

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