Lennox ML180 Commercial Gas Furnaces If you want greater flexibility in your commercial gas furnace, the Lennox® ML180 may be your answer. This multi-position system 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 80% AFUE rating. Other product details include: Multi-speed, direct-drive slide-out blower Easy 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 Salt Lake City at 801-871-8425 for more information. Not only are we experts on HVAC system replacements, but we also will be minutes away when it the time comes for your scheduled maintenance and service tune-ups. Remember, when you work with us, you’ll always receive expert service, guaranteed.