Lennox EL280 Commercial Gas Furnaces in San Antonio Consistency is fundamental for the Lennox® EL280 gas furnace, and the system’s 2-stage heating makes it possible, while also refining comfort control. Energy efficiency in this commercial gas furnace is rated at 80% AFUE, earned with help from its sealed blower compartment, which also minimizes operating sounds. The EL280 is built with a silicone nitride-constructed SureLight® ignitor that enables a long product life and reliable performance long into the future. That means more peace of mind for you and greater comfort for the employees at your company. 66,000-132,000 Btuh Upflow/horizontal and dedicated downflow models 33” design profile Direct-drive slide-out blower Toolless entry for simple maintenance San Antonio Air Service Experts Heating & Air Conditioning in San Antonio has highly trained service technicians who will not only provide an expert installation, but they’ll also be just minutes away for your routine maintenance checks. And, should any service issues pop up, you’ll know to call in the experts. Schedule your free appointment today or call 210-570-9705 for more information.