Our services for you
Free photovoltaic calculator for the simulation and yield calculation of photovoltaic systems.
Free solar thermal calculator for calculating the yield of solar thermal systems.
Free online tool for the simulation and yield calculation of heat pump systems.
Small and large companies from the fields of heating, electrical and building technology use our software for design and simulation worldwide. Educational institutions use our software for the practical part of teaching and students use our programs for their projects and final theses.
Engineers, system designers, architects, installers, craftsmen and solar engineers use our software products to simulate, design and forecast solar energy systems.
We offer universities, research institutes, technical schools, vocational academies and adult education institutions attractive special conditions for all of our software products.
If you would like to buy one of our products or would like advice before purchasing, or if you have any questions about the ordering process, your offer or your invoice, please contact our sales team:
Telephone: +49 (0)30 588 439 0
Mon - Fri, 9 - 16 hrs
If you have installation or registration problems, project-related inquiries or questions about our online databases, please contact our technical support:
Telephone (for software maintenance customers): +49 (0)30 588 439 0
Mon - Thu, 9 - 12 hrs and 13 - 15 hrs,
Fri, 9 - 12 hrs