The Good Housekeeping Seal is the most recognized and trusted product symbol in the American marketplace. It has served as a warranty against product failure for nearly 100 years. The Good Housekeeping Seal has been awarded to all new Lennox furnaces, air conditioners and heat pumps. Specifically, it is a two year limited warranty. 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. Good Housekeeping is not responsible for installation or labor. The Good Housekeeping Seal is an acknowledgment of Lennox product quality. As an owner of a quality Lennox product, you will have "One Less Thing To Worry About!"