Lennox ML180 Commercial Gas Furnaces Boasting greater flexibility in your commercial gas furnace, the Lennox® ML180 may be right for your company. This multi-position furnace is created 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 system 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 Smooth 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 Raleigh at 919-578-4329 to learn more. Not only are we experts on HVAC system replacements, but we also will be just down the road when it comes time for routine maintenance and service checks. Remember, when you work with us, you’ll always receive expert service, guaranteed.