With fri Save energy and money - our energy saving calculator
Discover the full potential of your savings with our energy savings calculator!
You have the power to reduce your energy costs and at the same time make a valuable contribution to the environment. With the energy saving calculator of fri GmbH, you can find out in just a few steps how much you can save by using solar energy. Simply enter your current consumption data into our calculator and your savings potential will be displayed in seconds. Our tool calculates precisely how much you can save on electricity costs with a solar system - transparently and tailored to your needs. Have you discovered the savings potential? Then it's time to take your future into your own hands! Our customized solar solutions guarantee you the highest efficiency and quality. Together we will realize your very own personal energy transition.
Start now and benefit!
Save not only money, but also valuable resources. Use our energy savings calculator and get a non-binding offer for your tailor-made solar system. Start today into a clean, independent energy future – with the fri GmbH at your side.
You can trust us
Individual project planning
Use our initial telephone consultation for non-binding advice. Your project manager will then arrange an on-site appointment to discuss your individual planning. You will then receive your personal offer and an installation date.
20 years warranty
We only use new, modern solar modules and inverters from leading manufacturers. You benefit from a generous 20-year guarantee on all components. Our service not only includes regular maintenance, but also the free replacement of defective components in the event of a malfunction.
Experienced employees
We would like to emphasize that we are not a placement portal, but a traditional craft business from the north with headquarters in Rostock. Our employees are supervised by experienced masters, continuously trained and qualified through manufacturer certifications.

Make an appointment now for a personal initial consultation!
