Artificial intelligence (AI) policy: ASHRAE prohibits the entry of content from any ASHRAE publication or related ASHRAE intellectual property (IP) into any AI tool, including but not limited to ChatGPT. Additionally, creating derivative works of ASHRAE IP using AI is also prohibited without express written permission from ASHRAE.

Close
logoShaping Tomorrow's Built Environment Today

ASHRAE Duct Fitting Database App

Share This

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

Close