Air Duct Calculator - Slide Rule
The Air Duct Calculator – Slide Rule is a compact, jobsite-ready tool designed to simplify HVAC duct sizing and layout calculations. Built for speed and accuracy, this durable reference combines essential formulas, charts, and conversion scales into one easy-to-use calculator.
Engineered for HVAC professionals, technicians, and students, this calculator helps you quickly determine duct sizes, friction loss, velocity, and equivalent lengths without flipping through manuals or relying on digital tools.
This Air Duct Calculator covers:
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Equal-Friction
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Velocity-Reduction
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Round Duct Surface Area
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Round Duct Diameter
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Rectangular Duct Surface Area
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Width Plus Depth
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Commonly Used Fittings
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Round Trunk Duct Fittings
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Angles and Elbows for Trunk Ducts
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Angles and Elbows for Individual and Branch Ducts
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Boot Fittings
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Formulas for Cooling, Heating, and Humidifying
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Corrected Pressure Drop (Friction) Per 100 ft. Duct Length
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Basic Air Conditioning Formulas
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Basic Fan Laws
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and More!
Size: 4" x 8.5".
ISBN No. 9781622709823
Sturdy construction of heavyweight calculator board with 6 metal eyelets.
| Price | $9.95 |
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| Customer Service | Customer ServiceWe're Here To Help Call us anytime during our customer service hours... Monday through Friday - 8:30 am to 4:30 pm (Pacific) Order Questions: TOLL FREE, 800-273-7375 (Outside the U.S. call 818-887-7828). Our Address: 8001 Canoga Avenue Canoga Park, CA 91304 US Phone: 800-275-2665 E-mail: sales@buildersbook.com
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| Description | The Air Duct Calculator – Slide Rule is a compact, jobsite-ready tool designed to simplify HVAC duct sizing and layout calculations. Built for speed and accuracy, this durable reference combines essential formulas, charts, and conversion scales into one easy-to-use calculator. Engineered for HVAC professionals, technicians, and students, this calculator helps you quickly determine duct sizes, friction loss, velocity, and equivalent lengths without flipping through manuals or relying on digital tools. This Air Duct Calculator covers:
Size: 4" x 8.5". ISBN No. 9781622709823 Sturdy construction of heavyweight calculator board with 6 metal eyelets. |
