Duct-System Leakage: How Much Is Too Much?

Brusha, Ronald F.
September 2004
Heating/Piping/Air Conditioning Engineering;Sep2004, Vol. 76 Issue 9, p35
Presents the basics and issues on air-distribution-system leakage. Seal, pressure, and leakage classifications of the Sheet Metal and Air Conditioning Contractors National Association (SMACNA); Method of testing duct-leakages percentages; Graphic representation of a ventilation system with 19 distinct duct types, sizes, and aspect ratios; Assumptions and conditions resulting from the tests of combined sections using the SMACNA standard.


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