Lennox ML180 Commercial Gas Furnaces Boasting increased flexibility in your commercial gas furnace, the Lennox® ML180 may be right for your company. This multi-position equipment is designed to fit almost 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 system features a power-saving constant-torque motor and silicone nitride ignitor to deliver reliability and an AFUE efficiency rating of 80%. Additional product details include: Multi-speed, direct-drive slide-out blower Easy 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 Longmont at 303-647-5749 to learn more. We’re not just the experts for all your replacement HVAC system needs – we also will be just down the road when it your routine maintenance visits come around. Remember, when you bring in the experts, you’ll always receive expert service, guaranteed.