Open the fitting or category you need within the ASHRAE DFDB application.
While the official DFDB is a software application, many professionals seek an to integrate this data directly into their own custom design spreadsheets. This article explores how to access this data, alternatives to the official software, and how to build a robust Excel tool. What is the ASHRAE Duct Fitting Database?
Contrary to some searches, the full DFDB is not a free, directly downloadable Excel file. Instead, access is obtained via purchase from ASHRAE’s official channels:
Refresh the connection to instantly pull updated parameters without opening the standalone application. Step-by-Step: Building an Automated Duct Calculation Tool ashrae duct fitting database excel link
If you own a license or are using an academic version, follow this technical workflow:
Use the feature to generate a structured .csv or .xlsx report of the computed loss coefficients. 2. Visual Basic for Applications (VBA) Custom Functions
It includes pictorial outlines of each fitting, along with the necessary formulas and table data to calculate pressure losses based on fitting geometry, air velocity, and flow rate. Open the fitting or category you need within
There is no official, one-click "Download to Excel" link. However, the full DFDB software includes a valuable feature: . Some third-party tools also generate CSV or XML outputs from DFDB data for use in Excel or Revit.
Includes elbows, transitions, junctions, obstructions, and hoods.
Because the equations used to calculate fitting losses are public knowledge (published in the Handbook), many senior engineers and consultants build their own . What is the ASHRAE Duct Fitting Database
Create a user interface row where a designer selects the fitting code from a drop-down menu.
Buy the official database once, export it to Excel, and you’ll have a reusable asset for the next decade of your HVAC designs.
You can bridge the gap between ASHRAE's standard data and Excel using three primary methods. 1. Native ASHRAE Desktop Software Export