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Plumbing & HVAC
Codes, references, and study guides for plumbing; pipe fitting; heating, ventilating, and air conditioning; refrigeration; boiler operations; duct systems; and more!
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SMACNA HVAC Duct Design Calculator - Imperial
220044$68.95The SMACNA Duct System Calculator has detailed instructions and calculations to enable HVAC system designers to design an average duct system witho...
View full details$68.95 -
2018 Natural Gas Sizing Pipe Calculator
28-18W$18.95This calculator is used for sizing pipe systems carrying natural gas of 0.60 specific gravity at approximately eight (8) inches water column pressu...
View full details$18.95
