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Qty. Price
1 $12.95
2-9 $12.43
10-24 $11.91
25+ Call
Purchase this product with Code Check HVAC for only $17.95 more!
Calculate duct size easily and instantly with the Duct Wizard! This handheld rotating calculator makes sizing supply and return duct systems a cinch - in all HVAC/R applications.
On one side you'll get the proprietary rotating duct calculator, complete with the tools you need to:
Establish Air Quantity (CFM) and Friction Loss
Set Air Quantity (CFM) opposite of Friction Loss
Read Velocity (FOM) opposite of Air Quantity (CFM)
Read Duct Diameter, Equivalent Regular Duct Dimension, and more!
On the opposite side, you'll find an at-a-glance guide to the reference charts and tables you rely on every day, including the following and more:
Commonly Used Fittings and Connections
Round Trunk Duct Fittings
Angles and Elbows for Trunk Ducts, Individual and Branch Ducts
Boot Fittings
Basic Air Conditioning Formulas (cooling, heating and/or humidifying)
Formula Legend
Derivations of Air Constants
Recommended and Maximum Duct Velocities
Recommended Gauges for Sheet Metal Ducts
Gauges and Data for Average Local Exhaust Systems
Example:
Given: 300 CFM @ .08 Inches of Water per 100 ft.
Find: Size of Round Duct, Velocity, Equivalent Duct Dimensions.
Solution:
Read Velocity @ 650 FPM
Read Duct Diameter @ 9.2"
Read Duct Dimensions 6" X 12" or 5" X 15"
Duct Wizard - Duct Sizing Calculator, 2005
Purchase this product with Code Check HVAC for only $17.95 more!
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