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The HVAC Duct System Calculator enables system designers to design an average duct system!
This calculator, complete with detailed instructions, enables HVAC system designers to design an average duct system without additional references.
SMACNA's duct system calculator is the only one in the industry to include the 0.0003 roughness factor duct friction loss data for designing straight, round or rectangular sheet metal ducts. 1988. |
