SC HVAC Contractor Practice Questions - South Carolina HVAC Contractor License Exam

What is the minimum duct leakage rate allowed for new ductwork per South Carolina's energy code?

No leakage limit 4 CFM per 100 sq ft of conditioned area at 25 Pascals 10% of total system airflow 15 CFM per ton

Correct Answer:

4 CFM per 100 sq ft of conditioned area at 25 Pascals

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