For ovens purchased after May 1st, 2020, Ciao Bella Pizza Ovens offers a full year warranty on the ovens against manufacturer defects. This will also cover the dome of the cooking chamber. We stand by the quality & durability of our product, and we will continue to do so after the sale. Should you ever have a problem with your oven within the warranty period, please let us know using our contact page. We will work to resolve any issue(s) that are a result of manufacturing defect.