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HVAC
NATE Air Distribution Service Specialty
Static Pressure Testing
Knowledge Check
Static Pressure Testing
Knowledge Check
Knowledge Check
1 / 10
Under the 2024 IECC, what metric is required on the prescriptive compliance path to verify duct system air tightness in new residential construction?
A
Total Duct Leakage (TDL) per Table R403.3.6 sliding scale
B
Leakage to outside at 4 CFM25 per 100 sq ft of conditioned floor area
C
Total Duct Leakage at a flat limit of 8 CFM25 per 100 sq ft
D
Leakage to outside is the only metric regardless of compliance path
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