Ashrae Duct Fitting Database Version. 6.00.05 Jun 2026

| 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 |

Export branch loss coefficients into a .CSV format from DFDB v6.00.05 and import via the "Fitting Library" editor. This ensures your energy model reflects actual dynamic losses, not arbitrary defaults (like 100% of velocity pressure). ashrae duct fitting database version. 6.00.05

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