Celebrating 125 Years

ASHRAE Duct Fitting Database App

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duct fitting database

The ASHRAE Duct Fitting Database (DFDB) app allows you to perform pressure loss calculations for all 200+ ASHRAE duct fittings in both I-P and SI units. Use this mobile app in the field for quick duct pressure loss calculations. The inputs can be adjusted by touch, and installation is automatic.

Available via iTunes®, the app is now universal--it works on both the iPhone and iPad and adjusts its screen accordingly.

The latest update to app incorporates all of the updates for the desktop version over the past 8 years, including more than 30 new fittings, plus updated fitting calcs, reports, and many other new features.

Get it in the App Store

Learn about the Desktop Version