Duct Sizing and Double Line Drafting

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This tutorial will teach you how to perform calculations on your ductwork, including calculating the CFM in the ducts, sizing the ducts, and calculating the pressure in the ducts. This tutorial will also teach you how to draw the double-line ductwork and how to edit the ductwork and repeat the calculations.

To begin this tutorial, go to the Ductwork Calculations section.

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