Lennox ML180 Commercial Gas Furnaces If you’re looking for more flexibility in your commercial gas furnace, the Lennox® ML180 may be your answer. This multi-position furnace is built to fit almost 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. In addition, the unit features a power-saving constant-torque motor and silicone nitride ignitor to ensure reliability and an AFUE rating of 80%. More 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 R & M Climate Control Service Experts Heating & Air Conditioning in Knoxville at 865-229-6176 for more information. 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 work through us, you’ll always receive expert service, guaranteed.