Energy Modeling Software for Efficient Energy System Design
Design reliable and holistic energy systems for buildings and districts with Polysun energy modeling software

Professional tool, many years of experience
With Polysun, your offers and energy concepts acquire more persuasive power, your planning more transparency and your energy simulations more precision. Polysun energy modeling software lets you easily master even the most complex coupled energy systems. We are happy to support you with our services to help you achieve your project goals.
Find the optimal solution with POLYSUN
Whether you are planning a new building or a renovation project – plan different variants and find the optimal solution in terms of project goals such as economy, own 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 Polysun software from Vela Solaris, you can rely on a proven simulation of your energy system with reliable results in terms of functionality, energy efficiency and cost-effectiveness – from single-family homes to urban districts, worldwide and for all commercially available technologies.
Get to know us
Call or write to us and find out how Polysun software and Vela Solaris increases as partners increase your efficiency and provide you with more persuasive power.
