Gas and Oil Furnaces MODEL XT80 Total warmth and comfort XT Single Stage Furnaces You know your Trane furnace is built to last. Winter after winter, the XT80 will warm your home while also keeping energy-efficiency high and your utility costs low. Your family and your wallet will thank you for it. MODEL XT80 features: Efficient performance The XT80 is rated with up to 80% AFUE, annual fuel utilization efficiency. Comfortable, even heating High efficiency blower motor provides a consistent flow of warm, comfortable air, while operating quietly and efficiently. Durable construction Materials for all components are tested again and again for long-lasting performance and reliability. Better indoor air Add a Trane air cleaner to your system to remove up to 99.98% of the airborne pollutants from the air filtered for a cleaner, healthier, more comfortable home.