Historically, the DFDB was a physical CD. However, represents a major architectural shift. It is now primarily offered as a one-year subscription for cloud-based access. This means that when you subscribe, you log in to use the software online, ensuring you are always using the most current data without worrying about lost discs or outdated installers.
. It includes loss coefficient tables for over 200 round, rectangular, and flat oval duct fittings. Key Features of Version 6.00.05 Cloud-Based Access
For those who have purchased the software and are facing issues, ASHRAE provides a Frequently Asked Questions page for version 6.00.05. Note that this version is licensed strictly as a and is not designed for network use. Duct Fitting Database - ASHRAE ashrae duct fitting database version 60005 free
: The current version is primarily cloud-based, ensuring users have the most updated data. Free Alternative: Duct Fitting Database Lite App
Version 6.00.05 represents a stable and advanced iteration of the database, often accessed via cloud-based annual subscriptions. This version introduced several refinements to improve accuracy and usability: Historically, the DFDB was a physical CD
The ability to export results is vital for compliance. The database allows users to generate CSV or XML outputs. This is particularly useful for those using Autodesk Revit MEP, as the ASHRAE database is the default reference for Revit’s built-in pressure loss calculations for ducts.
In short, the ASHRAE Duct Fitting Database v60005 gives you the trusted, laboratory‑tested loss coefficients you need for accurate pressure drop calculations. With free access options like the Lite iOS app and free add‑ins for Revit, you can start using it without an upfront investment. For professional, large‑scale projects, the full version is well worth its price. Combine it with modern duct‑sizing methods—Equal Friction, Static Regain, or the advanced T‑Method—and you'll be able to design duct systems that are both precise and energy‑efficient. This means that when you subscribe, you log
Access loss coefficient tables for round, rectangular, and flat oval duct fittings.
This specific update (released around April 2016) introduced several technical fixes and new fitting data to the version 6.0 series. Carmel Software Access Type : Cloud-based annual subscription for the full version. Compatibility : Single-user desktop product or mobile app. Core Function : Provides loss coefficient tables (
: The mobile Lite app allows users to email HTML reports and spreadsheet attachments containing all inputs and results for further analysis on a desktop. Free vs. Paid Versions Paid Full Version (Desktop/Web) Free "Lite" App Access Annual subscription/CD-ROM Free from the Apple App Store Fittings 200+ comprehensive fittings Select subset of common fittings Platform Desktop (Windows) or Cloud-based iPhone and iPad Output Real-time calculations, printable tables Field calculations, mobile reporting