The Elite Series Lennox EL196DFE is a high efficiency, single stage gas furnace featuring Lennox Power Saver™ technology. The Power Saver™ constant torque motor in the EL196E adjusts airspeed based on demand to operate more efficiently than a standard motor. Designed to be quiet the EL196E operates at very low sound levels and its Power Saver constant torque motor ensures that you won’t ever hear loud startup sounds. The EL196E offers an efficiency of up to 96% AFUE and has dual-fuel capabilities and a sealed blower compartment. That means homeowners can feel comfortable all winter long without having to worry about high energy bills.