Parallels Desktop is a premium virtualization software that allows you to run Windows 11 seamlessly alongside macOS.
The primary hurdle for Mac users is that McQuay Duct Sizer is a Windows program. While the software is free and widely available from resources like HVAC-ENG.com, these files are in .exe format, which macOS cannot run directly.
While the original McQuay software was built for Windows, the 2026 digital landscape offers several solutions to bring this essential tool to macOS. This article explores how to run the software, official alternatives, and tips for optimizing your workflow. What is the McQuay Duct Sizer?
Run the Design Tools.exe inside the bottle without needing a Windows license. 3. Virtualization Tools (Parallels Desktop) mcquay duct sizer for mac
Modern Macs run on Apple Silicon (M1, M2, M3 chips) using the ARM architecture. Legacy Windows software was built for x86 (Intel/AMD) processors.
Finding an official version of the is a common challenge for HVAC engineers, as the legacy software was originally developed as a native Windows application. McQuay International (now part of Daikin Applied ) built this highly efficient, Visual Basic-based desktop tool specifically for the Windows environment.
The tool calculates ductwork specifications by analyzing airflow (CFM), pressure loss, and air velocity. Sizing Methods : Supports both the Equal Friction Method (standard) and Equal Velocity Method Air Properties Parallels Desktop is a premium virtualization software that
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.
Sadly not a Mac app, but runs on iPad/Mac with Catalyst? No. However, the mobile version is excellent for field use.
Another robust option for running Windows applications. VirtualBox: A free, open-source alternative. While the original McQuay software was built for
A free, open-source alternative to CrossOver, though it may require more technical setup. Recommended Alternatives for macOS
Use a graphical wrapper like Wineskin Winery or CrossOver (a polished, paid version of Wine). Download the McQuay/Daikin DuctSizer .exe file, create a "wrapper" or "bottle," and run the setup file directly. 💻 Use Virtualization (Parallels Desktop or UTM)
To use the original McQuay .exe file on a Mac, you can utilize Windows compatibility tools: