Lennox ML180 Commercial Gas Furnaces Boasting more flexibility in your commercial gas furnace, the Lennox® ML180 may be right for your company. This multi-position furnace is created 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 ensure reliability and an AFUE efficiency rating of 80%. Other product details include: Multi-speed, direct-drive slide-out blower Simple 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 Knochelmann Service Experts Heating & Air Conditioning in Sharonville at 859-905-0834 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 right around the corner when it the time comes for your scheduled maintenance and service tune-ups. Remember, when you work through us, you’ll always receive expert service, guaranteed.