© Michigan Stove Worx 2012 Design By Promitech  Sales and Service for Heat Innovations Outdoor Wood Stoves Heat Innovations warrants Homesteader and Coalman outdoor furnaces, to the original owner, to be free of defect in material and workmanship for a period of twenty one (21) years from the date of purchase. This warranty does not include the electrical components ( aquastats, high limits, damper operators),gaskets and cast iron ash grates. All these components are guaranteed for a period of one (1) year. Electrical component warranties are carried by their own manufactures and are subject to their requirements. Read More in the Warranty Doc. 21 Year Blackjack Warranty