Sizing for both circular and rectangular ductwork.
Calculations to balance energy efficiency and noise reduction. How to Use the Tool Download File Duct Sizer.zip
Keep the aspect ratio (width-to-height) between 1:1 and 1:4 to prevent excessive noise and pressure drops. Why Proper Sizing Matters Sizing for both circular and rectangular ductwork
Appropriate width and height based on airflow (CFM) and air velocity. increasing power consumption.
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:
Undersized ducts force blowers to work harder, increasing power consumption.