CTA online selection program

Set up account (obligatorisch) Online selection program Instruction (pdf)

The ideal planning instrument for your heating system
Regardless of whether you want to calculate a heating system for a single-family home or a complete system for an apartment building, our selection program enables safe and effortless planning at the touch of a button.

How the selection program works
In order to be able to benefit from the design programme, a registration is required. After your registration you will receive a confirmation e-mail with your access data within a short time.

The program is free of charge. For planning and presentation of your Heat pump system. More than 50 heat pumps and over 150 hydraulic diagrams are available. Thanks to the simple and intuitive user interface, the systems can be calculated quickly and easily.

Your calculation will be sent to you in the form of a results report as a PDF file at the end of the process. This serves as the basis for a request for quotation from our sales team.


Hunzigenstrasse 2
CH-3110 Münsingen
+41 (0)31 720 10 00

CTA in your area

Present at seven sites throughout Switzerland.
In collaboration with other partners in Europe.


General Terms and Conditions of Business
General Terms of Purchase