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Northeast HVAC News

Carmel Software Releases Mobile HVAC Duct Sizer.


Carmel Software announces that it was released a major update to its very first mobile app ever developed: the HVAC Duct Sizer (Universal). This app now runs on the Apple iPad in addition to the iPhone. This means that the same app will run on both devices and adjust its screen accordingly.

The HVAC Duct Sizer application allows users to quickly size one or more runs of duct using the constant friction method. Think of it as a digital version of the classic Trane Ductulator. It allows users to size new duct systems by inputting air flow and velocity or friction loss. It also allows users to size existing systems by inputting duct dimensions and air velocity.

Additional parameters can be specified such as duct material type, aspect ratio, duct shape, air temperature and pressure.

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"When we first released this app 4+ years ago, there were only 10 or so HVAC apps on iTunes. Today, there are 1000s. Our Duct Sizer app has sold 1000s worldwide over the past 4 years and has always been the highest ranking HVAC duct sizer app on iTunes. Now, this app is available for iPad users," says Stephen Roth, PE, principal of Carmel Software.

The HVAC Duct Sizer is the perfect tool for HVAC technicians, designers, architects, and even home owners. Please go to for more information.

About Carmel Software
Carmel Software has been developing and selling engineering software for over 17 years. In 2008, Carmel sold its desktop engineering analysis applications and software code base to Autodesk, the makers of AutoCAD. Currently, their software code is used to power some of the analysis capabilities of Autodesk Revit. They are now focusing their efforts on developing mobile and tablet-based software for the building services industry with clients such as Mitsubishi Electric, Honeywell, Ingersoll-Rand (Trane), the US Department of Energy, Pacific Northwest National Laboratory, DNV GL, Advantix Systems, and others.

Carmel is located in San Francisco Bay Area. Please go to for more information.




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