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Download free Polysun Trial Version

The demo version gives you an overview of the functions and the easy handling of the software. You get access to over 1000 standard templates and the component database. Plan and calculate a first system and check out Polysun. Please note that the demo version has the following restrictions:

  • The location is fixed in the demo version (Rapperswil, Switzerland)
  • Modified systems can not be simulated
  • No projects can be saved or loaded

If you would like to carry out an extensive evaluation or need global weather data, please contact the sales department directly. We are happy to provide you with a time-limited test version without restrictions.


The demo version is available for Windows and Mac OS X. For Linux it is available on request (without support).

Please fill out the form. The download link will be sent to your e-mail address immediately.

By submitting the form with your personal information, you agree that Vela Solaris AG will send you information about the Polysun products via e-mail or contact you by phone.

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