BPI IDL Practice Questions - BPI Infiltration & Duct Leakage (IDL) Certification Exam

What does CFM50 represent in blower door testing?

Cubic feet per minute of air leakage at 50 Pascals of pressure The maximum airflow capacity of the blower door fan at 50% speed Cubic feet per minute of outdoor air needed for ventilation at 50% occupancy Cubic feet per minute of conditioned air delivered by the HVAC system

Correct Answer:

Cubic feet per minute of air leakage at 50 Pascals of pressure

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