The Ducane 5T Gas Furnace, the solution for efficient and reliable home heating. With an impressive 97% AFUE efficiency rating, it ensures energy savings even in the coldest winter months. ENERGY STAR certification opens the door to potential money-saving rebates, making it a smart choice for your budget. The variable-speed motor starts up slowly, quietly accelerating to maintain perfect temperature and humidity levels while minimizing energy costs. Its robust aluminized steel heat exchanger, crimped for durability, ensures safe and dependable performance.