Lennox air conditioners and furnaces

Who Makes Lennox Air Conditioners & Furnaces?

Lennox air conditioners and furnaces are made by Lennox International, a global provider of climate control products for the heating, ventilation, air conditioning, (HVAC), and refrigeration markets.

Where Are Lennox Air Conditioners & Furnaces Made?

Lennox manufactures most of its air conditioners and furnaces in Marshalltown, Iowa, USA, where Lennox was founded in 1895. Lennox HVAC systems are also produced in other locations across the United States, Canada, and Mexico.

Some of the major plants where Lennox products are manufactured include:

  • Marshalltown, Iowa: This is the largest Lennox plant, where most of the residential and commercial furnaces are produced. This plant also houses the Lennox Research and Development Laboratory, where new technologies and products are tested and developed.
  • Stuttgart, Arkansas: This plant makes residential and commercial gas and oil furnaces, as well as packaged units and rooftop units.
  • Grenada, Mississippi: This plant manufactures residential air conditioners, heat pumps, and air handlers, as well as some commercial products.
  • Carrollton, Texas: This plant produces commercial rooftop units, split systems, and air handlers. It also has a distribution center and a training facility.
  • Orangeburg, South Carolina: This plant makes residential and commercial air conditioners, heat pumps, and air handlers. It also has a distribution center and a training facility.
  • Saltillo, Mexico: This plant produces residential and commercial air conditioners, heat pumps, and air handlers. It also has a testing facility and a distribution center.

Note: Lennox also shares these production facilities with its lower-priced, economy brand, Ducane. See our other guide on who makes Ducane air conditioners and furnaces for more details on this brand.

Lennox Brand Overview

OwnerLennox International
FounderDave Lennox
HeadquartersRichardson, Texas, US

Lennox HVAC Owner History

The history of Lennox began in 1895 with Dave Lennox, who started the Lennox Furnace Company in Marshalltown, Iowa. Initially focusing on furnaces, the company established a reputation for innovation and quality, becoming a leading manufacturer in the early 20th century.

Here are some key milestones in Lennox’s ownership history:

  • 1895: Dave Lennox founds the Lennox Furnace Company.
  • 1955: Expands into air conditioning, introducing the first Lennox central air conditioner.
  • 1980s: Acquisitions and mergers propel growth, including acquiring the Armstrong International brand.
  • 1999: Goes public through an initial public offering (IPO).
  • Present: Remains a publicly traded company, operating as a global leader in the HVACR industry.

Throughout its history, Lennox has maintained its commitment to innovation and quality, becoming a trusted brand for residential and commercial comfort solutions.

What Kind of HVAC Systems Does Lennox Make?

Lennox caters to a broad spectrum of needs, offering residential and commercial HVAC systems for various applications:

  • Residential air conditioners: Split systems, package units, heat pumps, and geothermal systems.
  • Residential furnaces: Gas, electric, oil, and propane furnaces and boilers, including high-efficiency and modulating models.
  • Commercial HVAC systems: Rooftop units, chillers, air handlers, and custom-designed solutions.
  • Indoor air quality solutions: Air purifiers, humidifiers, and ventilation systems.

Lennox offers their air conditioners and furnaces categorized into three main series, each catering to different performance and budget levels:

  • Dave Lennox Signature Collection: This series represents the pinnacle of Lennox technology, offering the highest efficiency, advanced features, and quiet operation. They are ideal for homeowners who prioritize top-of-the-line comfort and performance and are willing to invest in premium quality.
  • Elite Series: This series delivers excellent performance and innovation at a slightly lower price point compared to the Signature Collection. They offer a balance of efficiency, features, and affordability, making them suitable for a wider range of homeowners.
  • Merit Series: This series focuses on providing reliable comfort at an affordable price. They offer basic features and good efficiency, making them ideal for budget-conscious homeowners who prioritize functionality over high-end features.

Is Lennox a Good Air Conditioning & Heating Brand?

There’s no denying that Lennox is a premium brand with a reputation for quality, innovation, and performance. However, determining if it’s a “good” brand for you depends on your individual needs and priorities.


  • Unmatched durability and reliability: Lennox systems are built to last, offering a valuable investment for homeowners and businesses.
  • Top-tier performance and efficiency: Delivering exceptional comfort and energy savings compared to some competitors.
  • Extensive product range: Catering to diverse needs with various system types, configurations, and features.
  • Innovation and cutting-edge technology: Constantly evolving with new features for improved comfort and control.
  • Excellent warranty and customer service: Offering comprehensive warranties and a reputation for responsive and helpful support. Each series of Lennox HVAC systems has a different warranty period, extending from 5 to 20 years.


  • Premium price point: Lennox systems are significantly more expensive than many competitors, making them cost-prohibitive for some budgets.
  • Not always readily available: While widely available through authorized dealers, they might not be present in all regions or smaller stores.
  • Potential overkill for basic needs: For simple cooling and heating requirements, a less expensive brand might suffice.
  • Installation complexity: Some advanced Lennox systems might require specialized installers, potentially increasing overall costs.

Lennox air conditioners and furnaces are high-quality and built to last. They’re an excellent choice for homeowners and businesses who prioritize top-tier performance, efficiency, and innovative features. However, their premium price and installation complexity necessitate careful consideration before purchase.

Remember, thorough research and understanding your specific needs are crucial before investing in any HVAC system, regardless of the brand. Consider factors like your climate, home size, budget, desired features, and warranty before making a decision. Consulting with qualified HVAC professionals can provide valuable insights into Lennox and help you choose the most suitable system for your requirements.

Explore More Air Conditioner & Furnace Manufacturers

Now that you know more about who makes Lennox air conditioners, furnaces, and boilers, where they are manufactured, the kind of HVAC units Lennox makes, and their quality, you may want to compare Lennox to other heating and cooling manufacturers.

Browse the HVAC maker guides to research popular brands and find information on a specific company.

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