Lennox EL180E Gas Furnaces in Knoxville Constant-torque Power Saver technology helps produce an 80% AFUE rating for the Lennox® EL180E commercial gas furnace. A sealed blower compartment helps reduce the unit’s operating noises, but it also saves energy by trapping heat inside. Combined, these two features alone contribute to a more comfortable indoor environment, especially during the coldest months of the year. The EL180E is also simple to install and maintain thanks to numerous features like the direct-drive slide-out blowers and inshot burners. 44,000-132,000 Btuh 33” design profile Upflow/horizontal and dedicated downflow models Toolless entry for quick maintenance When you purchase an EL180E commercial gas furnace, your offices will stay heated when it’s most critical. And R & M Climate Control Service Experts Heating & Air Conditioning in Knoxville is always available to help whether issues come up unexpectedly or you just need to call to check on some details. Our experts will install the equipment and get your EL180E up and running, and we will check in when it’s time for routine maintenance. Contact us at 865-229-6176 to learn more and set up a free appointment.