Lennox ML180 Commercial Gas Furnaces If you want increased flexibility in your commercial gas furnace, the Lennox® ML180 may be your answer. 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. Moreover, the unit features a power-saving constant-torque motor and silicone nitride ignitor to ensure reliability and an AFUE rating of 80%. Other product details include: Multi-speed, direct-drive slide-out blower Smooth installation and toolless entry for speedy maintenance Sealed blower compartment 10-Year Limited Warranty on the ML180 heat exchanger 1-Year Limited Warranty on covered components Call A-PLUS Service Experts Heating & Air Conditioning in Waldorf at 301-747-3140 for more information. 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 your routine maintenance visits come around. Remember, when you bring in the experts, you’ll always receive expert service, guaranteed.