Mcquay Duct Sizer For Mac

Need fast, reliable duct sizing without booting Windows? Discover how Mac users can access McQuay’s trusted duct-sizer workflows — and practical Mac-native alternatives that match professional needs.

Sadly not a Mac app, but runs on iPad/Mac with Catalyst? No. However, the mobile version is excellent for field use.

If you already use Autodesk products on Mac (AutoCAD for Mac or Revit for Mac), many add-ins include duct sizing tools. For example:

Product Overview The McQuay Duct Sizer is a professional-grade HVAC engineering tool designed to calculate optimal ductwork dimensions based on airflow, velocity, and friction loss. Originally a staple of the Windows environment, specific versions or workflows are required to run this utility natively on Apple macOS.

Key Features (When running via compatible environment)

How to Run McQuay Duct Sizer on a Mac McQuay (now part of Daikin Applied) does not offer a native macOS version. To use the Duct Sizer on a Mac, engineers typically employ one of the following methods:

  • Virtual Machine (Full Safety):
  • Web-Based Alternative (Native):

    • System Requirements (for Windows VM or Wine method)

    Where to Obtain the Tool

    Pro Tip for Mac Users For the fastest friction-loss calculation on a Mac without emulation:

  • For a native app, purchase Ductsize Express from the Mac App Store.

    • Support Statement McQuay/Daikin Applied does not provide technical support for running their Duct Sizer on macOS. This guide is community-sourced for professional HVAC engineers.

    Bottom Line: McQuay Duct Sizer is not native to Mac, but it works perfectly via Wine (Intel Macs) or UTM/Parallels (Apple Silicon) . For friction-only quick checks, use an online duct calculator instead.

    The McQuay Duct Sizer 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

    While the official McQuay (now Daikin Applied) desktop software is designed for Windows, Apple users have several modern paths:

    Apple Silicon Macs (M1/M2/M3): You can download the HVAC Duct Sizer by Carmel Software Corporation directly from the Mac App Store. It is a universal app that requires macOS 12.5 or later and an Apple M1 chip or newer.

    Mobile Devices: Official versions for Android and iOS are widely used for on-the-go sizing. Running the Windows Version on Mac

    To use the original McQuay .exe file on a Mac, you can utilize Windows compatibility tools:

    CrossOver Mac: A paid, user-friendly wrapper that allows you to run Windows executables without a full Windows license or virtual machine.

    Wine: A free, open-source alternative to CrossOver, though it may require more technical setup. Recommended Alternatives for macOS

    If you prefer native software designed for the Mac environment, these utilities offer similar "Ductulator" functionality:

    McQuay Duct Sizer (now officially distributed by Daikin Applied ) is primarily a Windows-based desktop application

    . There is no native standalone "McQuay" branded software specifically developed for macOS.

    However, Mac users can access this functionality through several modern alternatives or workarounds: 1. iOS Apps on Apple Silicon (M-Series) Macs If you have a Mac with an M1, M2, or M3 chip

    running macOS 11.0 or later, you can download and run iPhone/iPad duct-sizing apps directly from the Mac App Store HVAC Duct Sizer (Carmel Software) Need fast, reliable duct sizing without booting Windows

    : 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

    : Uses 2009 ASHRAE Handbook formulas for precise friction loss calculations. 2. Running the McQuay Windows Version on Mac

    For those who specifically need the legacy McQuay interface, you can run the original Windows file on macOS using virtualization or translation layers: Parallels Desktop

    : Allows you to run a full Windows environment alongside macOS. Wine / Crossover

    : Can often run simple, lightweight Windows utilities like the McQuay Duct Sizer (approx. 124 KB) without a full Windows installation. 3. Native macOS Alternatives

    While the exact McQuay tool is not native, the following professional suites often include native Mac-compatible duct calculation tools: ASHRAE HVAC Duct Sizer 6.2 Free Download

    The McQuay Duct Sizer (now officially supported by Daikin Applied) remains one of the most trusted and essential tools for HVAC professionals, primarily due to its simplicity and precision in calculating duct dimensions. While it was originally a Windows-based desktop utility, it has successfully transitioned to the Apple ecosystem. The Mac & iOS Experience

    For Mac users, the tool is primarily available as the HVAC Duct Sizer app on the Mac App Store.

    Compatibility: The app requires macOS 12.5 or later and a Mac with an Apple M1 chip or later.

    Interface: It utilizes an intuitive slider-based control system, allowing users to quickly adjust inputs like airflow (CFM) or head loss to see immediate changes in duct size. Key Features: Supports circular, rectangular, and oval duct shapes.

    Toggles seamlessly between Imperial (I-P) and Metric (SI) units. How to Run McQuay Duct Sizer on a

    Calculates velocity, friction loss, and exact vs. rounded dimensions. Includes a built-in HVAC Equipment Locator. Professional Feedback

    Reviewers and engineers consistently highlight the tool's reliability for both field and office work: Pros:

    Portability: Users praise the ability to pull out a phone or Mac to verify duct sizes on-site, often catching design errors during installation.

    Speed: It serves as a high-speed digital alternative to the classic Trane Ductulator.

    Output: The app allows you to email HTML or .CSV reports of your calculations directly to teams or clients. Cons:

    Discrepancies: Some users have noted minor (approx. 10%) discrepancies when compared against manual hand-calculations for flow area and fluid velocity.

    UI Quirks: Older versions occasionally had issues with screen scrolling after value entry, though recent updates for iOS 17 and macOS have addressed many legacy bugs. Summary Table Official Name HVAC Duct Sizer (Carmel Software/Daikin Applied) Availability Mac App Store, iPhone, iPad Best For Quick sizing, friction loss analysis, field verification Cost Free to download (some features may vary by region)

    Verdict: If you are an HVAC engineer or contractor with an M-series Mac or an iPad, this tool is an indispensable "digital ductulator" that balances ease of use with professional-grade accuracy. HVAC Duct Sizer - App Store - Apple

    While there is no native "McQuay Duct Sizer" application built specifically for macOS, you can still use the tool or a compatible equivalent on a Mac through several methods 1. Use Mobile Versions on Apple Silicon Macs If you have a Mac with an Apple M1, M2, or M3 chip

    , you can run mobile versions of duct sizing tools directly from the Mac App Store. HVAC Duct Sizer

    : Developed by Carmel Software Corporation, this app is compatible with macOS 12.5 or later on M1/M2/M3 Macs. ASHRAE HVAC Duct Sizer

    : Compatible with macOS 11.0 or later on Apple Silicon Macs. 2. Run the Windows Version via Virtualization The original McQuay Duct Sizer (now under the Daikin Applied brand) is a lightweight Windows executable ( ). You can run it on any Mac using:

    Parallels Desktop for Mac computers with Apple M2 chips | Page 7