Keep the aspect ratio (width-to-height) between 1:1 and 1:4 to prevent excessive noise and pressure drops. Why Proper Sizing Matters
Input airflow and maximum velocity to determine size. Download File Duct Sizer.zip
Appropriate width and height based on airflow (CFM) and air velocity. Keep the aspect ratio (width-to-height) between 1:1 and
Open the Dizer.exe file to launch the application. Choose a Method: Download File Duct Sizer.zip
Are you using this for a or commercial HVAC project? Ductwork Sizing Tool - Sizing Ductwork
Sizing for both circular and rectangular ductwork.
For mobile users, similar apps like the are available on the Google Play Store for on-the-go estimations.