The RainPro gutter system has been tested by the Good Housekeeping Institute, and carries the Good Housekeeping Seal and warranty. Enjoy the confidence that comes from knowing that not only do we believe in our product, so does Good Housekeeping. They have backed up this confidence in RainPro with a two-year limited warranty which states: If a product bearing the Seal proves to be defective within two years of purchase, Good Housekeeping will replace the product or refund the purchase price. Read Good Housekeeping’s letter to its readers about RainPro.