Lennox ML180 Commercial Gas Furnaces If you want more flexibility in your commercial gas furnace, the Lennox® ML180 may be your answer. This multi-position system is built to fit nearly all applications. 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. In addition, the equipment features a power-saving constant-torque motor and silicone nitride ignitor to offer reliability and an 80% AFUE rating. Other product details include: Multi-speed, direct-drive slide-out blower Smooth 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 Service Experts Heating & Air Conditioning in Naples at 239-643-3000 to learn more. Not only are we experts on HVAC system replacements, but we also will be minutes away when it your routine maintenance visits come around. Remember, when you work through us, you’ll always receive expert service, guaranteed.