Lennox International, Inc. engages in the design, manufacture, and marketing of products for heating, ventilation, air conditioning, and refrigeration. The company is headquartered in Richardson, Texas. The firm designs, manufactures and markets a range of products for the heating, ventilation, air conditioning and refrigeration markets. The firm's segments include Home Comfort Solutions and Building Climate Solutions. Its Home Comfort Solutions segment's products and services include furnaces, air conditioners, heat pumps, packaged heating and cooling systems, indoor air quality equipment, replacement parts and supplies. Its brands include Lennox, Ducane, AirEase, Concord, MagicPak, Supco, among others. Its Building Climate Solutions segment's products and services include unitary heating and air conditioning equipment, applied systems, controls, installation and service of commercial heating and cooling equipment. Its brands include Enlight, Xion, Energence, Prodigy, Duro Dyne, among others. The company sells its products and services through a combination of direct sales, distributors and Company-owned stores.