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Running a thermostat fan continuously in 'fan on' mode, combined with a good well-maintained filter, provides measurable air cleaning benefit.

factualpending

Speaker

Jeff

Evidence Quote

“running the fan continuously if you have a good filter that's well installed and you're on top of changing it is offering you benefit”

Source

Home Ventilation Advice from HVAC Researcher Jeffrey Siegel: How Many CFM is Ideal?— Home Performance
Created: 8/13/2026, 4:55:15 AM

My Notes

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