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 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 deliver reliability and an 80% AFUE rating. Other 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 Norrell Service Experts Heating & Air Conditioning in Birmingham at 205-267-0023 to learn more. 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 comes time for routine maintenance and service checks. Remember, when you bring in the experts, you’ll always receive expert service, guaranteed.