Lennox ML180 Commercial Gas Furnaces If you want greater flexibility in your commercial gas furnace, the Lennox® ML180 could be the system for your company. This multi-position furnace is created to fit nearly all applications. With a 33” design profile and capacity range of 44,000-132,000 Btuh, models are available in both upflow/horizontal or dedicated downflow designs. In addition, the equipment features a power-saving constant-torque motor and silicone nitride ignitor to ensure reliability and an 80% AFUE rating. Other product details include: Multi-speed, direct-drive slide-out blower Easy 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 Niagara Falls at 289-273-2229 to discover more benefits. We’re not just the experts for all your replacement HVAC system needs – we also will be right around the corner when it your routine maintenance visits come around. Remember, when you bring in the experts, you’ll always receive expert service, guaranteed.