Download File Duct Sizer.zip -

Now maintained by Daikin Applied (which acquired McQuay), this tool is a favorite in the industry for its simplicity and accuracy. It helps designers determine:

Keep the aspect ratio (width-to-height) between 1:1 and 1:4 to prevent excessive noise and pressure drops. Why Proper Sizing Matters Download File Duct Sizer.zip

Download the Duct Sizer.zip file and extract its contents. Now maintained by Daikin Applied (which acquired McQuay),

Sizing for both circular and rectangular ductwork. driving up project costs.

Properly sized ducts prevent the "whooshing" sound of air moving too fast.

Oversized ducts use unnecessary material and space, driving up project costs.