This Goodman GMSS92 series high efficiency gas furnace provides excellent heating performance and economical operation for your home. The 92% efficient rating means that 92 cents of every dollar spent on heating energy goes toward warming your home. With a great warranty, this 60,000 BTU/H furnace will offer maximum comfort for years to come. Features 10 year warranty on parts Lifetime warranty on heat exchanger Designed for vertical upflow and horizontal installations Convertible for use with LP (propane) gas Multi-speed blower motor Heavy duty aluminized steel tubular heat exchanger Stainless steel secondary heat exchanger Self diagnostic control board Single speed induced draft blower Durable silicon nitride igniter Complies with California low NOx emission standards Dimensions Height: 34 1/2" Width: 17 1/2" Depth: 28 3/4" Manufacturer Documents Specification Sheets Consumer Brochure Model # GMSS920603BN