Lennox International Inc. is a provider of climate control solutions. The Company designs, manufactures and markets a range of products for the heating, ventilation, air conditioning and refrigeration (HVACR) markets. The Company operates through three segments: Residential Heating & Cooling, Commercial Heating & Cooling and Refrigeration. Residential Heating & Cooling segment manufactures and markets a range of furnaces, air conditioners, heat pumps, packaged heating and cooling systems, indoor air quality equipment, comfort control products, replacement parts and supplies and related products. Commercial Heating & Cooling segment manufactures and sells unitary heating and cooling equipment used in light commercial applications, such as low-rise office buildings, restaurants, retail centers, churches and schools. Refrigeration segment manufactures and markets equipment for the global commercial refrigeration markets under the Heatcraft Worldwide Refrigeration name.