The ASHRAE Duct Fitting Database is a technical resource that provides loss coefficients, equivalent lengths, and related data for common duct fittings used in HVAC airflow calculations. Version numbers like "6.00.05" indicate specific releases/updates to the dataset and/or accompanying software utilities used by engineers and designers to size ductwork and estimate pressure losses.
Full Web/Desktop Version (v6.00.05): Available through the ASHRAE Bookstore via an annual cloud-based subscription. It is sold as a single-user product and is no longer available on CD. ashrae duct fitting database 6.00 05 free download
However, it is important to note that the ASHRAE Duct Fitting Database is intellectual property protected by copyright. While version 6.00.05 is often circulated in professional circles, ASHRAE now provides a modern version of the database, often accessible via online subscription or a modern application. This shift to cloud-based platforms ensures that the data is constantly updated with the latest research, but it also underscores the tension between the desire for accessible, free tools and the necessity of funding ongoing technical research. Overview — ASHRAE Duct Fitting Database 6
Below is a post summarizing the features of version 6.00.05 and the legitimate free alternatives available. Fitting Library: Over 1,200 unique fitting types (round,
Key Features of 6.00.05:
For those who do invest in the software, version 6.00.05 offers several advantages: