KOSTAL Smart Warranty - free warranty activation for KOSTAL inverter

By registering your KOSTAL inverter, your 5 year warranty will be activated. This can only be done during the first 6 months after the purchase and requires a one-time creation of a user account in our Webshop.

5 steps to receiving KOSTAL Smart Warranty – it’s simple:

Step 1: Log in to your user account
Step 2: Select KOSTAL Smart Warranty
Step 3: Enter date of initial operation, serial number, system data and system location
Step 4: Confirm registration data
Step 5: The warranty certificate will be sent to you immediately by e-mail

Your statutory warranty is not affected by our product warranty. Our services covered by the warranty include a rapid exchange service to ensure that your PV system is quickly back in operation. We will organize the collection of your defective device and we will also cover the freight costs incurred for this.