• Up to 92% AFUE Performance • Multi-Position Installation ★★★★★ ★★★★★ 4.3 out of 5 stars. Read reviews. 4.3 3 Reviews 3 out of 3 (100%) reviewers recommend this product Outstanding Warranty Protection If the heat exchanger ever fails in this unit, the original registered owner will receive a new heat exchanger. This furnace also has a 10-Year Parts Warranty on all functional parts. For a full description of all warranties applicable to this product, please review the consumer brochure or product warranty by clicking on the links above. This gas furnace has an AFUE rating of up to 92%, which means that up to 96 cents of every $1.00 of heating energy expense warms your home. Additional Information Before purchasing this appliance, read important information about its estimated annual energy consumption, yearly operating cost, or energy efficiency rating that is available from your retailer.