Fronius offers extended solar inverter warranty at no cost

Fronius warranty extension

Product warranties in solar – and the companies that stand behind them – are an important part of the solar + storage value equation to consider. To that end, Fronius USA is bumping up the warranty duration for all new Fronius solar inverter installations – from 10 years to 12 years of warranty – at no additional cost.

Yes, effective on March 1, 2024, newly installed Fronius inverters in the United States of America are eligible for the two additional years of material warranty. You’ll just need to go online and register for it.

“We are dedicated to exceeding Fronius customer satisfaction by offering the two additional years at no cost, just by registering their new inverter online,” said Richard Baldinger, Director of Sales & Marketing Business Unit Solar Energy at Fronius USA. “The online registration is an easy way to get the additional warranty and it also updates the warranty start date to the installation date. We want to express our gratitude by offering this extended warranty for free and giving customers additional peace of mind.”

How to Register Your 10+2 Years of Warranty | To qualify for the two additional years of warranty, all you’ll need to do is to register your newly installed Fronius inverter on Solar.web by following these steps:

  1. Go to Solar.web to login. If you are new to Solar.web, visit to and select register now to get a login.
  2. Click product registration
  3. Continue going through the prompts to register your product

This brief video will help too how to register your Fronius inverter:

More Warranty Extensions Available | For customers who would like to extend their warranty beyond 12 years, the newly launched Webshop on Fronius Solar.web, offers customers the option to add annual warranty extensions to a maximum of 20 years coverage.

All inverters installed from March 1, 2024, are eligible for the purchase of annual warranty extensions in the Webshop.

“The online shop makes the purchase of warranty extensions much easier and quicker for customers,” said Baldinger. “In addition, system owners don’t have to decide upfront if they would like to extend their warranty but can do so as long as they have warranty coverage.”

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