ASHRAE Duct Fitting Database (DFDB) Version 6.00.05 is a paid, single-user product provided via a one-year cloud-based subscription. While the full version of the software is not available for free, ASHRAE offers a Duct Fitting Database Lite mobile app at no cost for iOS devices. Free vs. Paid Options Duct Fitting Database Lite (Free)
If you need a free tool for quick field calculations, the Duct Fitting Database Lite App is available at no cost on the Apple App Store. ashrae duct fitting database version 60005 free
The interface allows for immediate updates of output data as you adjust input parameters like flow rate and dimensions. ASHRAE Duct Fitting Database (DFDB) Version 6
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: The "Loss Coefficients" documentation requires a free PDF viewer like Adobe Acrobat Reader Calculation Preferences ashrae duct fitting database version 60005 free