The official desktop application (available via the ASHRAE bookstore) includes an "Export to Excel" feature. You can select the specific fittings used in your project and export the calculated coefficients directly into a .csv or .xlsx format to continue your calculations. 2. Third-Party Add-Ins
While not a full database download, this works if you only need specific fittings for a project. ashrae duct fitting database excel link
If you don't have a live subscription, you can still build a link-ready sheet: The official desktop application (available via the ASHRAE
The official desktop application (available via the ASHRAE bookstore) includes an "Export to Excel" feature. You can select the specific fittings used in your project and export the calculated coefficients directly into a .csv or .xlsx format to continue your calculations. 2. Third-Party Add-Ins
While not a full database download, this works if you only need specific fittings for a project.
If you don't have a live subscription, you can still build a link-ready sheet: