In addition to covering the heat exchanger with a Lifetime Limited Warranty to the original, registered homeowner, we will replace the entire unit at no cost if the heat exchanger fails during the first 10 years of ownership. This furnace also has a 10-Year Parts Limited Warranty on all other functional parts. For a full description of all warranties applicable to this product, please see your local Amana dealer or click on the consumer brochure and product warranty links above.
The Distinctions® GMH8 and GDH8 gas furnaces have an AFUE rating of 80%, which means that 80 cents of every $1.00 of heating energy expense warms your home.
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.