A typical residential home with a blower door test of 1500 CFM50 would require 230 CFM of continuous incoming air to achieve a 3 Pascal positive pressurization, which exceeds the capacity of most residential ERVs on the market and is essentially unfeasible in residential applications.
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Unidentified Speaker — Home Pressure Effects of Unbalanced ERV, Ventilating Dehumi… [7nhXP3v5Zy0]Evidence Quote
“if we use a more typical home let's say somebody that's got a blower door test of 1500 in order to produce a three Pascal pressurization on the home we're going to need 230 CFM of incoming air [4:42]”
Source
Home Pressure Effects of Unbalanced ERV, Ventilating Dehumidifier, or Supply-Only Ventilation— Home PerformanceCreated: 8/13/2026, 3:25:18 AM
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