Ashrae Duct Fitting Database Excel Link [new] May 2026

(the longest duct route with the most fittings). They tag each component and use the ASHRAE database to find the loss coefficient for every individual piece, summing them up in Excel to determine the total fan power required. Key Features of the ASHRAE Database Comprehensive Data : Includes loss coefficient tables for over 200-250 round, rectangular, and flat oval fittings Visual Interface

If you receive the database as a Microsoft Access file ( .accdb ), you can link it directly into Excel without opening Access. ashrae duct fitting database excel link

While ASHRAE does not provide a direct "Excel download" for its entire Duct Fitting Database (DFDB), the current is primarily a cloud-based subscription service. Professionals typically use the software to calculate specific fitting losses and then transfer that data into their own Excel-based static pressure calculation sheets. Official ASHRAE Database Resources (the longest duct route with the most fittings)

While not a full database download, this works if you only need specific fittings for a project. While ASHRAE does not provide a direct "Excel

The following tools provide the standardized loss coefficient data you need: Cloud-Based Subscription : The most up-to-date version is the ASHRAE Duct Fitting Database , accessible via an annual subscription. Mobile App (DFDB Lite) : A free version available on the Apple App Store

Keep your heating/cooling loads and duct static pressure calculations in one project file.