The method used is compliant with ashrae 90.1, iecc, igcc version 2, imc and the umc. It appeared in chapter 10 of the high velocity (later high pressure) construction standards and in chapter 8 of the “balancing and adjustment of air distribution systems manual” of 1967 vintage It appeared in chapter 10 of the high velocity (later high pressure) construction standards and in chapter 8 of the balancing and adjustment of air distribution systems manual of 1967 vintage.
SMACNA - Air Duct Leakage Test Manual | PDF
Hvac air duct leakage test manual by smacna
Covers duct leakage testing procedures, system design, and performance improvement
Use this adobe pdf form for calculating allowable leakage (cfm) based on smacna leakage class It calculates duct surface area, measured system leakage rate and pass/fail criteria.
