Lennox ML180 Commercial Gas Furnaces If you want increased flexibility in your commercial gas furnace, the Lennox® ML180 may be right for your company. This multi-position system is built to fit just about any application. 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 ensure reliability and an AFUE rating of 80%. Other product details include: Multi-speed, direct-drive slide-out blower Simple 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 Rob's Albertan Service Experts Heating & Air Conditioning in Edmonton at 780-800-9047 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 work through us, you’ll always receive expert service, guaranteed.