The file typically refers to the McQuay Duct Sizer software, a widely used tool for HVAC professionals to calculate ductwork dimensions based on airflow, velocity, and friction. Software Overview
For mobile users, similar apps like the are available on the Google Play Store for on-the-go estimations.
Open the Dizer.exe file to launch the application. Choose a Method: Download File Duct Sizer.zip
Download the Duct Sizer.zip file and extract its contents.
Sizing for both circular and rectangular ductwork. The file typically refers to the McQuay Duct
Input airflow and maximum velocity to determine size.
Properly sized ducts prevent the "whooshing" sound of air moving too fast. 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: