Design of Reliable and Holistic Energy Systems
For buildings and districts with a future
learn more VACANCIESDesign of Reliable and Holistic Energy Systems
For buildings and districts with a future
learn more VACANCIESPlan more efficiently –
convince customers!
Polysun is the most effective software range for simulation-based planning, design, and optimization of holistic energy systems for buildings and districts. With the precision of Polysun and Vela Solaris
as a competent service partner, you can master the complexity of coupled energy systems in the shortest possible time and thereby win over your customers in the long term.

Smart software for smart energy systems.
With Polysun, your offers and energy concepts acquire more persuasive power, your planning more transparency and your energy simulations more precision. Polysun lets you easily master even the most complex coupled energy systems.
Software range
Build professional competence – or use it with ease
Learn how to use Polysun optimally in our training courses, conveniently outsource your energy system simulations to us or have your products and energy concepts integrated directly into the software as templates. As a competence centre for energy system simulation we are at your disposal for your project.
Training courses
Get to know your experts at Vela Solaris
Arrange a non-binding consultation and let yourself be introduced to the possibilities of Polysun from the comfort of your workplace via screen sharing.
Book appointments