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5.4 Attached garages: Door closer installed on connecting doors AND in homes with exhaust-only ventilation EITHER a 70 cfm exhaust fan installed in garage OR pressure test conducted to verify effectiveness of the garage-to-house air barrier
5.4 Attached garages: Door closer installed on connecting doors AND in homes with exhaust-only ventilation EITHER a 70 cfm exhaust fan installed in garage OR pressure test conducted to verify effectiveness of the garage-to-house air barrier