Lennox ML180 Commercial Gas Furnaces If you want increased flexibility in your commercial gas furnace, the Lennox® ML180 could be the system for your company. This multi-position system is designed to fit almost 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 ensure reliability and an AFUE efficiency rating of 80%. Additional 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 Roy Inch & Sons Service Experts Heating & Air Conditioning in London at 226-270-1164 to discover more benefits. 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 work through us, you’ll always receive expert service, guaranteed.