Energy Modeling Software for Efficient Energy System Design
Use Polysun energy modelling software to design reliable, holistic energy systems for buildings and districts.

Professional tool, many years of experience
With Polysun, your offers and energy concepts become more persuasive, your planning more transparent, and your energy simulations more precise. Our energy modelling software makes it easy to master even the most complex coupled energy systems. We are here to support you and help you achieve your project goals.
Find the optimal solution with POLYSUN
Whether you are planning a new building or a renovation project, you can plan different options and identify the most suitable solution in terms of your project goals, such as economy, self-consumption, degree of self-sufficiency, and CO₂ savings.
Heat pump sizing
PV System Design
District energy
District Heating and Cooling Systems
Solar Thermal Systems
Hybrid Solar Panels Dimensioning

POLYSUN API Simulationen in der Cloud
With the Polysun software from Vela Solaris, you can rely on proven simulations of energy systems, providing reliable results in terms of functionality, energy efficiency, and cost-effectiveness. The software can be used for single-family homes, urban districts, and all commercially available technologies worldwide.
Get to know us!
Call or write to us to find out how Polysun can increase your efficiency and persuasive power as partners.
