A rater measures duct leakage to outside (Qn,out) at 6% of conditioned floor area on a new construction home. Does this meet the 2021 IECC requirement?
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A
Yes, 6% is within the 8% allowance
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B
No, 2021 IECC requires ≤4 CFM25 per 100 sq ft to outside
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C
Yes, the standard only applies to total leakage not leakage to outside
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D
No, 2021 IECC requires zero duct leakage to outside