| Feature | Version 5.x | Version 6.00.05 | |--------|-------------|------------------| | 64-bit support | No (runs on 32-bit emulation) | Yes | | Reynolds correction accuracy | ±10% for some fittings | ±5% (peer-validated) | | Number of fittings | ~850 | ~1,100 | | Export to EnergyPlus | Manual CSV edit | Direct formatted export | | Revit plugin | Third-party only | Native COM interface |
Last updated: September 2025 – verified against ASHRAE’s official release notes. ashrae duct fitting database version. 6.00.05
The answer depends on your work. Here are compelling reasons to move to Version 6.00.05: | Feature | Version 5