LENNOX INTERNATIONAL INC

Overview

Lennox International Inc. is a climate-control company serving the heating, ventilation, air-conditioning and refrigeration (HVACR) markets. It designs, manufactures and markets residential and commercial heating and cooling equipment, indoor-air-quality products, controls, parts and supplies, as well as commercial refrigeration solutions. Its two principal business segments are Home Comfort Solutions and Building Climate Solutions.[1][2]

The company’s stated purpose is “providing perfect air through innovative and sustainable climate control solutions.” Its reported geographic markets include the United States and Canada, with sales outside the United States accounting for 7% of net sales in 2025.[3]+2 For the year ended December 31, 2025, net sales were $5.1953 billion. Lennox reported approximately 14,200 employees globally as of December 31, 2024.[6][7] [1]+8

Products & services

Lennox International’s Home Comfort Solutions portfolio includes residential furnaces, air conditioners, heat pumps, packaged heating and cooling systems, indoor-air-quality equipment, comfort controls, parts and supplies, and water heaters. Its product brands and lines include Lennox, Dave Lennox Signature Collection, Armstrong Air, Ducane, AirEase, Concord, MagicPak, ADP, Healthy Climate, iComfort and ComfortSense. Products serve replacement and new-construction markets and are sold through independent installing dealers and distributors.[8]+2

Building Climate Solutions offers light-commercial and applied HVAC equipment, controls, commercial variable refrigerant flow systems, and commercial refrigeration products—including condensing units, unit and fluid coolers, air-cooled condensers, air handlers, process chillers and compressorized racks. Heatcraft Worldwide Refrigeration serves food retail, food service, cold-storage and other refrigeration applications. The company also provides commercial HVAC installation, service and preventive maintenance for national accounts in the U.S. and Canada, as well as HVAC recycling and salvage and multifamily HVAC replacement services.[8][11]

Specific product capabilities include Lennox’s Model L packaged rooftop units, rated from 3 to 25 tons, with ratings up to 21.2 SEER2, 23.1 IEER and 14.3 EER2; and the residential SL28XCV variable-capacity air conditioner, rated up to 28 SEER.[12][13] In 2026, equipment accounted for 84% of Building Climate Solutions revenue in Q2 and 83% in the first half, with service comprising the remainder; Home Comfort Solutions direct sales accounted for 73% of revenue in both periods, with the balance sold to independent distributors.[11][9] [8]+5

Geographic presence

Lennox International’s reported sales are concentrated in the United States and Canada. In FY2025, U.S. sales were $4,821.9 million (92.8% of consolidated sales) and Canadian sales were $373.4 million (7.2%). Both reportable segments identify the United States and Canada as geographic areas served.[14][15]

Its physical footprint also includes substantial operations in Mexico. At June 30, 2026, net property, plant and equipment was $655.7 million in the United States (70.2%), $269.1 million in Mexico (28.8%), $3.9 million in Canada (0.4%) and $5.5 million in other international locations (0.6%). At year-end 2025, Lennox employed approximately 12,900 people, including about 8,500 in the U.S. and 3,200 in Mexico.[16][17]

The company lists manufacturing, distribution and office facilities in the U.S., Mexico and Canada, as well as an R&D and office location in Chennai, India. Examples include manufacturing and distribution in Saltillo, Mexico; U.S. facilities in Marshalltown, Iowa, Orangeburg, South Carolina, and Grenada, Mississippi; and Canadian distribution locations in Brampton and Calgary. Its corporate headquarters is in Richardson, Texas.[18]+2 [14]+8

Business segments

Lennox International reports two business segments. **Home Comfort Solutions** focuses on residential heating, cooling, indoor-air-quality and comfort-control products, serving residential replacement and new-construction markets. Its 2025 net sales were $3,343.4 million, approximately 64.4% of consolidated net sales of $5,195.3 million.[21]+2 [21]+3

Company history

Dave Lennox founded the business in Marshalltown, Iowa, in 1895, after developing a riveted-steel coal-fired furnace. In 1904, investors led by D.W. Norris acquired the furnace business and named it Lennox Furnace Company.[22]

The company reincorporated in Delaware in 1991 and completed its initial public offering in 1999.[22] In April 2012, it sold its Hearth business to Comvest Investment Partners IV.[23] Alok Maskara joined as CEO in May 2022.[24] In 2023, Lennox announced the acquisition of substantially all assets of AES Industries and AES Mechanical Service Group, and sold its European commercial HVAC and refrigeration operations to Syntagma Capital Partners, completing the sale on December 29.[25][26] [22]+4

Sources

• LENNOX INTERNATIONAL INC — Full financial report (2025 Y)
  13 citations

  [1][2][4][5][6][10][14][17][18][19][20][21][24]
• www.lennox.com[3]
• www.lennox.com[7]
• LENNOX INTERNATIONAL INC — Full financial report (2026 Q 2)
  5 citations

  [8][9][11][15][16]
• www.lennox.com[12]
• www.lennox.com[13]
• LENNOX INTERNATIONAL INC — Full financial report (2010 Y)[22]
• LENNOX INTERNATIONAL INC — Full financial report (2012 Y)[23]
• LENNOX INTERNATIONAL INC — Full financial report (2023 Y)[25][26]