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Warranty Models

Fronius inverters

a woman sitting in a house, looking in the direction of mountains and thinking about the new Fronius warranty

Your added peace of mind: 10-year warranty included

Look to the future with confidence, thanks to a free* warranty extension of up to 10 years for your Fronius inverter. All you need to do is register your inverter on Fronius Solar.web. The Fronius Warranty is our promise of long-lasting quality, reliable performance, and uncompromising safety. 

Three steps to a free warranty extension
Step 1
Log in to Fronius Solar.web or create a new account.
To Solar.web
Step 2
Enter the requisite information under “Register product”.
Step 3
Submit the form and you will start enjoying the benefits of the extended warranty right away.
Step 1
Log in to Fronius Solar.web or create a new account.
To Solar.web
Step 2
Enter the requisite information under “Register product”.
Step 3
Submit the form and you will start enjoying the benefits of the extended warranty right away.

Warranty model for inverters < 50 kW

Register to secure 10 years of free and reliable warranty cover.

Warranty plan for inverters ≥ 50 kW

Register to benefit from 5 years of free, reliable warranty cover.

Fronius Warranty

The Fronius Warranty covers the cost of materials.

Acquire a further warranty extension: Peace of mind for up to 15 years

Are reliability, safety, and a long service life important to you? If so, we have good news for you: You can extend the warranty to up to 15 years subject to a fee.

FAQ & downloads

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    * Warranty conditions and services may vary depending on country and region. Fronius accessories are excluded from product registration. To qualify for the free warranty extension, new Fronius inverters commissioned on or after June 1, 2026 must be registered in Fronius Solar.web. For further warranty requirements or limitations, please refer to the warranty conditions for your country.