Excel — Ashrae Duct Fitting Database

Even with a perfect Excel database, mistakes happen. Watch out for these:

Since the DFDB is often used as a standalone tool, you must move the results into a spreadsheet for the total system calculation. Duct Fitting Database - ASHRAE ashrae duct fitting database excel

Designers typically use Excel-based manual calculations by manually inputting the loss coefficients ( Cocap C sub o ) retrieved from the database into their spreadsheets. Even with a perfect Excel database, mistakes happen

: Systematically number or tag every fitting and straight duct section along that path. Retrieve Loss Values Even with a perfect Excel database

Benefits and Limitations Benefits:

Essentially, it is the lookup table on steroids, ready for formula-driven analysis.