Lennox ML180 Commercial Gas Furnaces If you’re looking for increased flexibility in your commercial gas furnace, the Lennox® ML180 may be your answer. This multi-position equipment 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 deliver reliability and an AFUE rating of 80%. 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 Golden Seal Service Experts Heating & Air Conditioning in Saint Charles at 630-246-2698 to discover more benefits. We’re not just the experts for all your replacement HVAC system needs – we also will be just down the road when it the time comes for your scheduled maintenance and service tune-ups. Remember, when you work through us, you’ll always receive expert service, guaranteed.