Kick-start the New Year with Polysun – and Save up to 30% with Our Christmas Offer!

The end of the year is the ideal moment to position your upcoming projects for success. With Polysun, you can plan energy systems that are reliable, cost-effective, and practical. Take advantage of our Christmas discount and save up to 30% on your licence – only available until 19 December 2025.

Whether it’s heat pump systems, PV installations, energy storage, or complex hybrid solutions, Polysun provides the simulation results you can rely on. This enables you to make informed decisions while reducing energy costs and CO₂ emissions in your planning projects.

Our Christmas Gift to You

From 17 November to 19 December 2025, you’ll receive 10% off your first Polysun licence and 30% off each additional licence.

To redeem your discount, please contact us via the contact form.

Why Choose Polysun?

• With Polysun, you’ll reach the optimal solution faster. Plan, simulate, and compare complex energy systems – from heat pumps to district heating networks – in no time.
• You’ll obtain reliable results you can count on. Physically based simulations deliver realistic performance and economic data. Using variant comparison, you can reduce energy costs by up to 40%.
• Freely combine heating, cooling, and electricity systems – Polysun accurately maps every system configuration in detail.
• Provide transparency for your clients: automatically generate clear and comprehensible reports that are perfect for communication with decision-makers and authorities, and can serve as a foundation for funding applications.
• Invest with confidence in the future: with regular updates and new components, your planning will always remain at the cutting edge of technology.

Take this opportunity to bring your planning process up to date – and start the new year in the best possible way!