Lennox ML180 Commercial Gas Furnaces If you’re looking for increased flexibility in your commercial gas furnace, the Lennox® ML180 may be your answer. This multi-position furnace is designed to fit just about any application. With a 33” design profile and capacity range of 44,000-132,000 Btuh, we carry models in both upflow/horizontal or dedicated downflow designs. Further, the equipment 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 Smooth 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 Peitz Service Experts Heating & Air Conditioning in Pierre at 605-223-0307 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 bring in the experts, you’ll always receive expert service, guaranteed.