Blower door testing with exterior vents sealed or unsealed?

Should all exterior openings be sealed or open during a blower door test?When my GC did the first test (they had their own staff do the test) it was before… Should all exterior openings be sealed or open during a blower door test?When my GC did the first test (they had their own staff do the test) it was before…Read MoreGreenBuildingAdvisor