![]() ![]() In the 'Range of Duct Sizes' mode, you can specify minimum and maximum friction loss and airflow values to display a range of duct sizes that fall in between the friction loss bounds. There are options to input the existing duct dimensions and one of either the airflow or velocity values to derive the calculated duct friction loss. In the 'Size by Dimensions' mode, you can analyze an existing duct system. The results include both the exact and rounded height and width (or diameter) dimensions and the calculated velocity and friction loss. In the 'Size by Airflow' mode, you can specify the total airflow in CFM (or L/s), the aspect ratio and one of either the velocity of air or the friction loss per 100 feet (30 meters). Think of this application as a digital version of the classic Trane Ductulator. The Duct Sizer application allows you to quickly size one HVAC duct run or a range of duct sizes using the constant friction method. 'I'll be presenting your iPhone program to my HVAC class as an easy compact tool to have in hand when making sales and service calls.' - R. Just a couple of comments from our users: This app includes the HVAC Equipment Locator. The HVAC Duct Sizer is a universal duct sizing app so that it works on both the iPhone and iPad and adjusts its screen size accordingly. Tens of thousands of happy users have downloaded this useful application for performing quick and simple duct sizing analysis. The HVAC Duct Sizer app is the #1 selling duct sizing application for the Apple iPhone and iPad. ![]() HVAC Duct Sizer voted favorite mobile app by readers of Contracting Business magazine. Duct Calculator is a powerful tool that provides access to duct calculation and sizing capabilities either as a standalone Windows program or from within the Autodesk Building Mechanical design environment. This app is only available on the App Store for iOS devices.ĭuct Calculator (DuctCalculator 1.0.1.exe). ![]()
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January 2023
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