In the latest version of the app, we have updated it to coincide with all of the 50+ updates to the desktop-based Duct Fitting Database application that have been implemented over the past decade. The advantage of this mobile app is that you can easily use it out in the field to do quick duct pressure loss calculations then email the results to your desktop for This app is based upon the popular ASHRAE Duct Fitting Database web application ( ), and you can do pretty much everything in this app that you can do in the desktop program.
