Report a Problem to Window World Twin Cities

Please fill out the support request form, and we will be happy to assist you. Be sure to include the product serial number with your request. The serial number is on a large white sticker as shown below.

If you need help finding the serial number sticker:

  • Double Hung Windows: Top of the upper sash
  • Slider Windows: Open the right sash – located on the sash or in the top of the frame
  • Casement/Crank Out Windows – Upper right-hand side in the frame
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