Ashrae Duct Fitting Database Version. 6.00.05 !new! Jun 2026

Version numbers indicate significant updates in fitting classifications, coefficients, or software architecture. is a mature, stable release that harmonizes earlier data discrepancies and adds new fitting types for modern system designs (e.g., low-leakage fittings, seismic-resistant supports, and high-efficiency transitions).

If you are looking for a "helpful paper" or guide related to this version, the most authoritative resource is the . ashrae duct fitting database version. 6.00.05