Lennox ML180 Commercial Gas Furnaces Boasting more flexibility in your commercial gas furnace, the Lennox® ML180 may be your answer. This multi-position system is created to fit just about any application. With a 33” design profile and capacity range of 44,000-132,000 Btuh, models are sold 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 AFUE efficiency rating of 80%. More product details include: Multi-speed, direct-drive slide-out blower Simple 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 Service Experts Heating & Air Conditioning in Gainesville at 352-374-6602 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 just down the road when it the time comes for your scheduled maintenance and service tune-ups. Remember, when you work with us, you’ll always receive expert service, guaranteed.