We are so confident you will find that a PlexiDor Performance Pet Door is a superior product of the highest quality, and the best value in a pet door we offer a guarantee. PlexiDor pet doors come with a 10 Year Warranty. Our Electronic pet doors feature a 5 Year Warranty. All PlexiDor pet door products include a 90 Day Money Back Guarantee. While under warranty, any defective part will be repaired or replaced free-of-charge, including standard shipping service. (Labor is not covered.) If for any reason you are not completely satisfied with your PlexiDor purchase, simply return it within 90 days of purchase and we will reimburse the full purchase price. Shipping charges are not refundable.