Most homes are not set up to be well ventilated with outdoor air until professional ventilation specification is applied.
factualpending
Speaker
JeffEvidence Quote
“we have homes are not set up to be very well ventilated with outdoor air until I come along”
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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