Ashrae Duct Fitting Database Excel Link [updated] (2025)

: Engineers use the ASHRAE DFDB software to select specific fittings (like elbows, transitions, or tees) and input dimensions and airflow (CFM). The software calculates the specific pressure loss (in Pascals or inches w.g.), which is then manually or semi-automatically transferred into an Excel ESP calculation sheet Report Generation Duct Fitting Database Lite app

It includes pictorial outlines of each fitting, along with the necessary formulas and table data to calculate pressure losses based on fitting geometry, air velocity, and flow rate. ashrae duct fitting database excel link

Here is a step-by-step guide to using the ASHRAE duct fitting database Excel link: : Engineers use the ASHRAE DFDB software to

Group specific fittings into project files that can be stored and transferred. Connecting the Database to Excel Connecting the Database to Excel values for their

values for their custom Excel ESP sheets to ensure fans are sized perfectly every time. Where to get it? Grab the "DFDB Lite" app for free on the App Store.