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. Further, the unit features a power-saving constant-torque motor and silicone nitride ignitor to offer reliability and an AFUE rating of 80%. Other product details include: Multi-speed, direct-drive slide-out blower Simple installation and toolless entry for speedy maintenance Sealed blower compartment 10-Year Limited Warranty on the ML180 heat exchanger 1-Year Limited Warranty on covered components Call All American Air Service Experts Heating & Air Conditioning in Daytona Beach at 386-310-2061 for more information. We’re not just the experts for all your replacement HVAC system needs – 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.