The Ultimate Comfort System™ for perfect air. It combines the best of the Dave Lennox Signature® Collection to create an unprecedented whole-home comfort system that seamlessly and intelligently works together to stay finely tuned to your home and deliver consistently clean, perfect air. From heating and cooling to air purification and effortless controls, every component of the Ultimate Comfort System works seamlessly together to deliver nothing short of perfect air. This is Seamless Precision. From heating and cooling to air purification and effortless controls, every component of the Ultimate Comfort System works seamlessly together to deliver nothing short of perfect air. https://www.lennox.com/products/systems/ultimate-comfort-system