Allowable Leakage based on Percentage and System CFM

AABC recommends calculating allowable leakage as a percentage of volume flow rate. Enter the CFM of the system or duct section you are testing, and the percent leakage allowed.

Duct System (or section) CFM:
Percent Allowable Leakage:
Allowable leakage based on your input is:
Calculate Leakage Allowed
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