you are an experienced HVAC designer who relies on muscle memory with the friction loss chart and specific roughness values. The classic McQuay tool is faster than any web alternative.
The does not have a native macOS application; however, HVAC professionals can run similar mobile tools on modern Macs or use translation layers for the original Windows version. Compatibility and Native Options mcquay duct sizer for mac
Keep a reference table of equivalent round/rectangular ducts handy – the MAC version doesn't always auto-populate aspect ratio constraints for very flat ducts. you are an experienced HVAC designer who relies
McQuay Duct Sizer is a software tool designed to help engineers, architects, and HVAC professionals size ducts for commercial and industrial buildings. The software is based on the ASHRAE Duct Fitting Database and uses the most up-to-date methods for calculating duct sizes, including the equal friction method, the constant velocity method, and the static regain method. Compatibility and Native Options Keep a reference table
While the original McQuay Duct Sizer software—now maintained by Daikin Applied
: For older Intel-based Macs or those wanting the exact legacy Windows interface, you can run the original McQuay .exe file using Wineskin Winery or Parallels Desktop .