The ASHRAE Duct Fitting Database is a vital resource for HVAC professionals, as it provides:
ASHRAE itself offers a free Lite app for iOS (iPhone/iPad). It performs pressure‑loss calculations for a subset of the fittings listed in the 2021 ASHRAE Handbook—Fundamentals. This is an ideal field tool for quick checks, but it does not provide the full 200+ fitting library [10†L20-L26][5†L4-L8]. The ASHRAE Duct Fitting Database is a vital
| Component | Minimum | Recommended | |-----------|---------|--------------| | OS | Windows 7 SP1 | Windows 10 Pro / 11 | | RAM | 2 GB | 4 GB+ | | Disk Space | 500 MB | 1 GB | | Processor | 1.5 GHz | 2.5 GHz+ | | Additional | Microsoft .NET Framework 4.5 | .NET 4.8 | | Display | 1024x768 | 1920x1080 | The ASHRAE Duct Fitting Database is a vital
represents a mature, stable release that corrected several legacy bugs from earlier versions while adding support for modern operating systems (up to Windows 10/11). It is widely considered the last "classic" version before ASHRAE moved toward cloud-based subscription models. The ASHRAE Duct Fitting Database is a vital
Seamlessly switch between I-P (Inch-Pound) and SI (International System) units.