Lennox International Inc. is a leading global provider of climate control solutions, specializing in heating, ventilation, air conditioning, and refrigeration (HVACR) systems. Founded in 1895 by Dave Lennox in Marshalltown, Iowa, the company began with the invention of the world's first riveted-steel furnace. Over the years, Lennox has expanded its product offerings and global reach, establishing itself as a key player in the HVACR industry. Headquartered in Richardson, Texas, Lennox International operates through three main segments: Home Comfort Solutions, Building Climate Solutions, and Refrigeration.
Lennox's product portfolio includes a wide range of residential and commercial HVAC systems, such as furnaces, air conditioners, heat pumps, air handlers, and indoor air quality products. The company is known for its commitment to innovation, having introduced several industry firsts, including the first high-efficiency gas furnace and the first air conditioner to achieve a 15 SEER efficiency rating. Lennox also offers smart thermostats and zoning systems to enhance comfort and energy efficiency in homes and businesses.
In addition to its product offerings, Lennox provides comprehensive support to HVAC professionals through its LennoxPros platform, which offers access to a wide range of products, parts, and training resources. The company also emphasizes sustainability and energy efficiency in its operations and product development, aiming to reduce environmental impact and promote healthier indoor environments.
As of 2025, Lennox International continues to be a prominent player in the HVACR industry, with a strong presence in North America and a growing footprint in international markets. The company's dedication to innovation, quality, and customer satisfaction has solidified its reputation as a trusted provider of climate control solutions. With a focus on developing advanced technologies and sustainable practices, Lennox is well-positioned to meet the evolving needs of its customers and the challenges of a changing global climate.