Lennox ML180 Commercial Gas Furnaces If you want more flexibility in your commercial gas furnace, the Lennox® ML180 may be your answer. This multi-position system is designed to fit just about any application. With a 33” design profile and capacity range of 44,000-132,000 Btuh, models are available in both upflow/horizontal or dedicated downflow designs. In addition, the equipment features a power-saving constant-torque motor and silicone nitride ignitor to ensure reliability and an 80% AFUE rating. More product details include: Multi-speed, direct-drive slide-out blower Easy installation and toolless entry for quick maintenance Sealed blower compartment 10-Year Limited Warranty on the ML180 heat exchanger 1-Year Limited Warranty on covered components Call Gordon's Service Experts Heating & Air Conditioning in Oklahoma City at 405-432-2197 to learn more. We’re the experts for all your HVAC replacement needs, but our work doesn’t stop there. We also will be minutes away when it comes time for routine maintenance and service checks. Remember, when you bring in the experts, you’ll always receive expert service, guaranteed.