 RICHARDSON, Texas, April 27, 2021 PRNewswire -- Lennox Industries, a trusted brand for over 125 years, unveiled updates to a whole-home heating and cooling system that is already recognized as the best in the industry. The Ultimate Comfort SystemTM 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. 