Ashrae Duct Fitting Database Excel Link [TRUSTED]

Why is there no direct .xlsx file on ASHRAE's website?

1. The Learning Curve This is not a "plug-and-play" black box software like some dedicated ductulators (e.g., Elite CHVAC). It requires a solid understanding of Excel. You are essentially building your own calculator using their engine. If you aren't comfortable with Excel formulas or VBA, the learning curve is steep.

2. Installation and Licensing Depending on the version you purchase, the linking between the DFDB software and Excel can be finicky. It often requires enabling specific Add-Ins or Macros, which can sometimes trip up corporate IT security settings.

3. Cost vs. Utility For a small firm doing simple residential work, the cost might be hard to justify compared to free online calculators. However, for commercial work where engineering liability is high, the cost is negligible compared to the value of accuracy.

Most HVAC design software (e.g., Trane Duct Designer, Elite DuctSize) that includes the DFDB allows you to export fitting data to CSV (Comma Separated Values) . ashrae duct fitting database excel link

Several commercial HVAC design software packages (e.g., Trane Duct Designer, Carrier HAP, Elite Software), as well as free tools like HVAC Solution or openDuct, include the ASHRAE database. Many allow export to CSV/Excel.

Workflow:

While not a full database download, this works if you only need specific fittings for a project.

If you search Google for "ASHRAE duct fitting database excel link free," you may find file-sharing sites hosting pirated Excel sheets. These pose significant risks: Why is there no direct

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

Steps:

This method gives you a live link to the official database—no manual copying.

If you purchase the official ASHRAE DFDB Excel file, you typically get a structured workbook like this: While not a full database download, this works

| FittingID | Shape | Description | Parameter1 (r/D) | Parameter2 (W/H) | Co_value | |-----------|-------|-------------|------------------|------------------|-----------| | E1-1 | Round | 90° Elbow | 0.5 | - | 0.21 | | E1-1 | Round | 90° Elbow | 1.0 | - | 0.19 | | E2-1 | Rect | 90° Elbow | - | 0.25 | 0.30 |

But real fittings require two-dimensional interpolation (e.g., for W/H ratios not in the table). A basic VLOOKUP is insufficient.

Better: Use Excel's INDEX and MATCH with linear interpolation.
Many official ASHRAE Excel files include custom VBA functions like InterpolateCoefficient(FittingID, param1, param2).