Lennox is a publicly traded climate control company (NYSE: LII) headquartered in Richardson, Texas, with roots stretching back to 1895. The company employs approximately 14,200 people across North America and Asia, and operates across the residential, commercial, and refrigeration segments of the HVACR industry.
The company's portfolio spans eight brands serving both residential and commercial markets. These include Lennox Residential and Lennox Commercial as its primary consumer-facing lines, alongside Allied Air, Armstrong Air, Ducane, and Magic-Pak for broader market coverage, and Heatcraft and Friga-Bohn in the refrigeration space. Its technical focus covers heating, ventilation, air conditioning, refrigeration, energy efficiency, and indoor air quality.
Lennox has a documented history of product innovation in HVACR, including introducing the first riveted-steel furnace and developing high-efficiency gas furnaces and air conditioners with high SEER ratings. The company describes its culture as grounded in three core values - Integrity, Respect, and Excellence - with a stated commitment to energy efficiency and sustainable climate control solutions.