In a 3,000 square foot home with 10-foot ceilings, achieving 5 air cleanings per hour requires running 2,500 CFM continuously—equivalent to a 5-ton air conditioner at full speed.
factualpending
Speaker
HostEvidence Quote
“five airplanes per hour would be that 500 CFM times five which is 2500 CFM that's like a five ton air conditioner running on its highest speed non-stop”
Source
Home Ventilation Advice from HVAC Researcher Jeffrey Siegel: How Many CFM is Ideal?— Home PerformanceCreated: 8/13/2026, 4:55:15 AM
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