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Trade Publication Article
Dollars and sense
2015
Overview
One case study by Semco titled \"Efficient Duct System Design\" illustrates the problem. In a very typical VAV duct system, there was almost 50 percent more square footage of surface area in the \"low pressure\" duct system versus the \"medium pressure\" duct system. We classify leakage as \"Cubic feet per minute per square footage of duct surface area.\" There were eight times as many transverse connections in the low-pressure duct.
