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C.A.T.S. Software GmbH

The Company
dedicated to
building engineering!

ishneuFrankfurt from 11.-15.03.2019

Here we show you our version 19.1 of the trades heating, ventilation, plumbing and sprinkler technology as well as our new application in the field of electrical installation with innovative hybrid technology.

We cordially invite you to visit us at the international TGA trade fair ISH at our booth E34 in hall 5.1!

For a personal presentation appointment we ask you for your  registration.

We are looking forward to your visit!


C.A.T.S. App "duct calculator" - for free!ductbild

Our app "C.A.T.S. duct calculator" is getting more popular by the day - also internationally! Up to now there have been more than 20.000 downloads.

Our duct calculator lays out like a conventional channel slide round, square and oval ventilation channels.
In addition, it calculates the channel surface and the insulation allowance.

Both the metric system (mm) and the imperial system (inches) are supported.
The android version of this app is available in Google Play Store in English, Italian and German and is for free. Download

An IOS version will be available in some weeks. Enjoy!




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Only the highest customer satisfaction ensures long-term success in a small branch of trade! Read more about our culture

Produkte ON


We offer a wide variety of products - sprinkler, ventilation, piping and electrical with integrated calculation. Have a look at our diversified product portfolio and feel free to contact us directly if any questions should arise.

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You are welcome to test our software - submit your contact data and then download the latest Testversion.