Lennox ML180 Commercial Gas Furnaces Boasting more flexibility in your commercial gas furnace, the Lennox® ML180 may be right for your company. This multi-position furnace is designed 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. Further, the unit features a power-saving constant-torque motor and silicone nitride ignitor to ensure reliability and an AFUE efficiency rating of 80%. 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 Service Experts Heating & Air Conditioning in Provo at 801-396-0637 to discover more benefits. 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 the time comes for your scheduled maintenance and service tune-ups. Remember, when you work through us, you’ll always receive expert service, guaranteed.