| 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 |
The answer depends on your work. Here are compelling reasons to move to Version 6.00.05:
In the world of Heating, Ventilation, and Air Conditioning (HVAC), precision is not just a goal—it is a necessity. Every elbow, transition, and takeoff in a duct system introduces friction, turbulence, and pressure loss. For decades, engineers have relied on the ASHRAE Duct Fitting Database (DFDB) to quantify these losses. With the release of Version 6.00.05 , the industry benchmark has raised the bar for accuracy, usability, and integration.