Lennox ML180 Commercial Gas Furnaces Boasting more flexibility in your commercial gas furnace, the Lennox® ML180 could be the system for your company. This multi-position furnace is designed to fit nearly all applications. 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 system features a power-saving constant-torque motor and silicone nitride ignitor to offer reliability and an AFUE rating of 80%. More product details include: Multi-speed, direct-drive slide-out blower Simple 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 West Palm Beach at 561-629-1826 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 just down the road when it your routine maintenance visits come around. Remember, when you work through us, you’ll always receive expert service, guaranteed.