This occurs when trying to calculate an empty selection. Ensure a specific fitting sub-type is highlighted (not just the category folder).
, which is optimized for quick calculations on mobile devices. Are you more interested in the energy calculation side of duct design or the physical layout and installation Duct Fitting Database - ASHRAE
If you are still using a ductulator, a PDF from 2005, or an older DFDB version (5.x or earlier), the answer is a clear . The gains in accuracy, new fittings, uncertainty reporting, and integration readiness are substantial. For firms with large-scale BIM workflows, the upgrade pays for itself by reducing field callbacks and oversized fans.
where:
The ASHRAE Duct Fitting Database Version 6.00.05 remains a cornerstone utility for mechanical engineers, designers, and energy auditors. By converting complex fluid dynamics into an accessible, highly accurate digital catalog, it bridges the gap between theoretical physics and practical HVAC design. Incorporating this tool into your design workflow ensures code compliance, enhances fan energy efficiency, and guarantees optimal indoor environmental quality.
The data strictly adheres to the companion ASHRAE Handbook—Fundamentals .
If you are looking to integrate or update this software within your engineering workflow, let me know. Proactively tell me: ashrae duct fitting database version. 6.00.05
Tailored coefficients based on airflow direction.
ΔP=Co×Pvcap delta cap P equals cap C sub o cross cap P sub v Version 6.00.05 provides the exact Cocap C sub o
Version 6.00.05 organizes fittings into logical categories based on geometry and application: This occurs when trying to calculate an empty selection
Engineers can export calculation reports directly to external formats like Microsoft Excel or text files, facilitating easy integration into broader static pressure loss sheets and project documentation. The Engineering Science Behind the Database
Several dynamic loss coefficients from version 6.00.04 were found to have rounding errors in Reynolds number corrections. Version 6.00.05 applies critical fixes to:
Do you need help these database files into third-party software like Revit or Excel? Are you more interested in the energy calculation