Frequently asked questions

• How long are Fronius warranties?
  The manufacturer's warranty is 2, 5 or 10 years, depending on the product series. For more detailed information on the warranty period, please refer to the data sheet provided with the respective product.

• What is Fronius' production volume?
  With a production volume of around 32,000 inverters per month in 2022, Fronius aims to increase this by more than 65% to over 52,000 inverters per month by the end of 2023. Thus, investments in the expansion of operations, compared to 2022 at 187 million euros, are also to be increased to more than 230 million euros. 

• Where does Fronius produce?
  The company has been producing in its own production facility in Austria since its foundation. 

• Where is the company located?
  Fronius now operates on five continents worldwide with its 37 subsidiaries, although the main concentration of locations is still in Europe. In addition, the sales and service partners are represented in over 60 countries on all continents, so that optimum support can be guaranteed around the globe. 

• What products does Fronius specialize in?
  Fronius specializes within the photovoltaic industry in the production of inverters and electricity meters. 

• When was Fronius founded and what are they known for?
  In 1945, the Fronius company was founded by Günter Fronius, a trained electrical engineer, in Pettenbach, Austria, as a one-man operation for radio and electrical maintenance work. Fronius' fame continued to grow through the invention of simple battery chargers, and welding transformers have been part of the company's portfolio since 1950. Over the years, the company continued to expand, entering the solar business in the 1990s. Now run by the 3rd generation of the Fronius family, the headquarters are still in Pettenbach, Austria, whose mainstays today are solar energy, welding and battery charging technology.