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Home owners

Fronius Warranty

Up to 10-Year Warranty on Registration

It’s as simple as this: With our inverters, you can reliably enjoy 24 hours of sun in your home and get up to 10 years’ peace of mind with the Fronius warranty.

Simply register on Fronius Solar.web to receive your free warranty extension. This gives you all the advantages of a full 10-year warranty: A 5-year Fronius Warranty Plus followed by a 5-year Fronius Warranty. The free warranty extension is available for all new Fronius inverters up to and including 12.5 kW that are commissioned after 09/01/2023.*

Fronius Warranty

The Fronius Warranty offers warranty protection for the material over the entire service life.

Fronius Warranty Plus

In addition to material costs, the Fronius Warranty Plus also covers servicing and transport costs in the event of a warranty claim. 

Up to 10-year Fronius Warranty — Here’s How It Works:

Following a quick and free registration process at, owners of a Fronius product can select an attractive warranty model, depending on their region, that perfectly matches their individual requirements.
The free product registration couldn’t be easier for owners of PV systems:
  • Open the following page:
  • Don't have a Solar.web account yet? Click “Login” then “Register now” to create a new Solar.web account
  • Fill in the required fields and follow the subsequent steps to complete account setup.
  • Already have an account? Log in to your Solar.web account
  • Open the “Product registration” menu item
  • Enter your serial number
  • Choose the commissioning date, your country and the relevant installer
  • Select the desired warranty model
  • The warranty certificate will then be available for download.

If you still have questions or are unsure of anything, you can find more detailed information on the registration process in our instructions or simply by watching our registration video.

Everything under Control with Fronius Solar.web

Our monitoring tool allows you to keep an eye on your PV system at all times and keep your energy revolution on track, with convenient access via your cell phone or desktop.

Registering your inverter in Fronius Solar.web brings the following benefits:

  • Warranty coverage of up to 10 years for registered products 
  • Free overview of the current performance data of your PV system in Fronius Solar.web
  • Regular information on new functions, solutions and updates.  

Get started right away: click here to go to Fronius Solar.web 

Accessing Your Warranty Certificate

To view your warranty certificate and find out when your warranty period ends, please follow these steps:

  • Log in to Fronius Solar.web with your login details. 
  • Select the "Product registration" tab in the top right.
  • Find your inverter under “Registered Products”.
  • Click on the “Warranty Certificate” button to download your certificate as a PDF file.

Adjusting the Start of the Warranty Period

Our inverters come with a standard warranty period of 30 months, which starts when the devices are delivered from our factory. If this date differs significantly from the installation date, please contact your installer.  



* Warranty conditions and services may vary depending on the country and region. Fronius accessories are excluded from product registration. For further requirements or limitations of the warranty, please refer to the warranty conditions for your country.

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