Ashrae Duct Fitting Database Excel Link [updated]

ASHRAE offers a cloud-based version of the DFDB via an annual subscription. This version includes loss coefficient tables for over 200 fitting types (round, rectangular, and flat oval).

If you cannot link the DLL, create a local Excel table using published Co values from ASHRAE Fundamentals (Chapter 34). This is static but works offline. ashrae duct fitting database excel link

(the longest duct route with the most fittings). They tag each component and use the ASHRAE database to find the loss coefficient for every individual piece, summing them up in Excel to determine the total fan power required. Key Features of the ASHRAE Database Comprehensive Data : Includes loss coefficient tables for over 200-250 round, rectangular, and flat oval fittings Visual Interface ASHRAE offers a cloud-based version of the DFDB