Lennox ML180 Commercial Gas Furnaces Boasting increased flexibility in your commercial gas furnace, the Lennox® ML180 may be right for your company. This multi-position furnace is built 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. Further, the system features a power-saving constant-torque motor and silicone nitride ignitor to offer reliability and an 80% AFUE rating. More product details include: Multi-speed, direct-drive slide-out blower Easy installation and toolless entry for fast maintenance Sealed blower compartment 10-Year Limited Warranty on the ML180 heat exchanger 1-Year Limited Warranty on covered components Call Service Experts Heating & Air Conditioning in Kingston at 613-817-1591 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.