Air changes per hour measured via blower door test (envelope leakage rate) is distinct from air cleaning rate (filtration-based air change); these are commonly confused.
definitionpending
Speaker
HostEvidence Quote
“there's two there's air changes per hour 50 which is blower door metrics and then there's air x what do you call it I call it air cleanings”
Source
Home Ventilation Advice from HVAC Researcher Jeffrey Siegel: How Many CFM is Ideal?— Home PerformanceCreated: 8/13/2026, 4:55:15 AM
My Notes
Loading notes...