ENERGY STARВ® qualified-meets or exceeds EPA guidelines for energy efficiency.Efficiency rating of up to 98.2% AFUE -can save you money each year*, compared to standard older furnaces.Fully insulated cabinet-patented noise-reducing construction further minimizes operating sound to an industry-leading low level.Variable-speed blower motor-provides a quiet, consistent flow of air for enhanced comfort, efficiency and humidity control.SilentComfortв„ў technology combines advanced engineering with sound-absorbing materials to deliver the ultimate in quiet performance.The quietest high-efficiency furnace you can buy! AirFlexв„ў technology-offers custom settings which can be selected to meet each homeвЂ™s specific year-round comfort requirements Zoning-compatible design-works with LennoxвЂ™ iHarmonyВ® zoning system to deliver the right amount of comfort for up to four zones Variable-capacity operation-goes beyond typical low and high two-stage operation, varying output from 35% to 100%.Precise Comfortв„ў technology-automatically adjusts fan speed, heat and airflow capacity in increments as small as 1% for the ultimate in temperature control.Direct-readout diagnostics for simple, quick troubleshooting SureLight control board (icomfortв„ў compatiable)-controls all furnace operations to ensure high reliability and efficiency.SureLightВ® igniter-silicone nitride construction ensures long product life and reliable operation.Duralok Plusв„ў heat exchanger-made of patented ArmorTufв„ў steel to ensure high reliability and efficiency.

Lennox furnace parts dealers