Lennox ML180 Commercial Gas Furnaces If you’re looking for greater flexibility in your commercial gas furnace, the Lennox® ML180 may be right for your company. This multi-position equipment is designed to fit nearly all applications. 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. In addition, the unit features a power-saving constant-torque motor and silicone nitride ignitor to offer reliability and an 80% AFUE rating. Additional 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 Miami at 305-440-1505 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 your routine maintenance visits come around. Remember, when you work through us, you’ll always receive expert service, guaranteed.