Navigating the McQuay Duct Sizer on macOS: Challenges and Practical Solutions

A very specific guide!

: Frequently cited as a digital version of the classic Trane Ductulator, it allows for constant friction method sizing. ASHRAE HVAC Duct Sizer : A co-branded version of the Carmel app sold via ASHRAE's iTunes account Duct Calculator Elite

Use Parallels Desktop or VMware Fusion to run a Windows virtual machine on your Mac.

Velocity Method

: Sizes ducts based on a fixed air velocity to manage noise and static pressure . How to Use on Mac

Ductulator - Duct Sizing

: Another alternative on the App Store that offers similar features including IP/SI unit toggling . Windows Emulation :

Intel-based Mac

Are you using an or an Apple Silicon (M1/M2/M3) Mac ?