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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!
SMACNA HVAC Duct Design Calculator

SMACNA HVAC Duct Design Calculator - Imperial

$68.95 - $68.95
$68.95
$68.95 - $68.95
$68.95

The SMACNA Duct System Calculator has detailed instructions and calculations to enable HVAC system designers to design an average duct system witho...

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$68.95 - $68.95
$68.95
$68.95 - $68.95
$68.95

2018 Natural Gas Sizing Pipe Calculator

$18.95 - $18.95
$18.95
$18.95 - $18.95
$18.95

This calculator is used for sizing pipe systems carrying natural gas of 0.60 specific gravity at approximately eight (8) inches water column pressu...

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$18.95 - $18.95
$18.95
$18.95 - $18.95
$18.95

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