Ashrae — Duct Fitting Database Excel Link

Instant calculation of complex fitting losses, reducing design time.

: Accessible via ductfitting.ashrae.org with an annual subscription.

values for their custom Excel ESP sheets to ensure fans are sized perfectly every time. Where to get it? Grab the "DFDB Lite" app for free on the App Store.

Because the standalone ASHRAE DFDB desktop application operates on a relational database structure, engineers use three primary methods to connect this data to Excel. 1. The CSV/Text Export and Lookup Method (Easiest) ashrae duct fitting database excel link

The specific code from the DFDB (e.g., CD3-1 for a rectangular elbow). Loss Coefficient ( Cocap C sub o ): The linked or looked-up value from the ASHRAE database. Fitting Pressure Drop ( ): Calculated using the formula: Data Validation

. This file can be opened directly on a desktop computer for further analysis. Project File Storage : Individual fittings can be saved into a project file

Specialized data for distinct airflow configurations. Where to get it

Open Excel, navigate to the tab, and select Get Data > From Text/CSV . Load the data into a master sheet named ASHRAE_Data .

). However, manually looking up coefficients for dozens of fittings is slow and prone to errors.

For advanced engineering teams, building a centralized relational database from your licensed ASHRAE data allows for seamless enterprise-wide integration. While there is no single

The ASHRAE Duct Fitting Database is an indispensable tool for any HVAC design engineer. While there is no single, universal "ashrae duct fitting database excel link," the full version of the software provides robust export capabilities to get data into Excel seamlessly.

The is the industry-standard reference for designing and analyzing ductwork systems. It provides the loss coefficients ($C$-values) required to calculate pressure losses for various duct fittings (elbows, transitions, take-offs, etc.).

Input the geometric and air velocity data for each fitting into the ASHRAE DFDB software. The software will calculate the Cocap C sub o Step 3: Link Data to Excel Cocap C sub o