An economizer control strategy automatically increases outdoor air intake on favorable weather days to provide free cooling and reduce air conditioning load; this is standard in commercial buildings but rarely implemented in residential.
factualpending
Speaker
HostEvidence Quote
“that's called an economizer it's done in many commercial buildings even most commercial buildings and so you know that hasn't really been explored that much in residential buildings but makes a ton of sense”
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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