Aim for a 1:1 aspect ratio for efficiency. The maximum allowable ratio is generally 4:1 to avoid excessive friction loss.
The tool provides equivalent diameters, flow area, and friction factors for both rectangular and round ductwork.
The software simplifies ductwork design by using the to determine dimensions. mcquay duct sizer for mac
Because the original McQuay Duct Sizer is a legacy Windows application (often referred to as the "Dizer" tool), there is no dedicated .dmg installer. However, Mac users have two primary routes:
Specialized for quick sizing on macOS 15.6+ and M-series chips. App Store High-accuracy tool co-branded with ASHRAE standards. 4. How to Use a Duct Sizer (Best Practices) Aim for a 1:1 aspect ratio for efficiency
Most versions support both I-P (Imperial) and S.I. (Metric) units, making it suitable for global projects. 3. Top Alternatives for Mac Users
Modern alternatives like the HVAC Duct Sizer by Carmel Software Corporation are available on the Mac App Store. These apps are specifically designed to run on macOS (version 12.5 or later) and are optimized for Apple M1/M2/M3 chips . The software simplifies ductwork design by using the
If you require the exact McQuay interface for a specific project, you can run the original Windows Dizer.exe using Parallels Desktop or CrossOver . This allows the lightweight tool to run alongside your other Mac applications without needing a full PC. 2. Core Features of the McQuay Sizing Tool
Users can input parameters such as CFM (airflow), Head Loss (typically 0.05 to 0.1 inches of water per 100 ft), and Velocity (FPM).
If you prefer not to use virtualization, several modern apps provide the same "digital ductulator" experience: Availability Key Benefit Carmel Software App Store Most popular "digital ductulator" for Apple devices. Ductulator App Store
