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Lennox International Inc. (LII) Operating Margin: 19.52%

Is Lennox International Inc.’s operating margin high or low?

Lennox International Inc.'s operating margin of 19.52% is 22% above its 5-year average of 15.99%, near the high end of its 5-year range (13.17%–19.55%).

As of Sunday, June 14, 2026. 0.31% above its 12-month average of 19.46%.

LII Operating Margin Chart

LII Operating Margin
19.55%+0.93% 1Y
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LII Average Operating Margin Chart

LII Current vs Average Operating Margin Chart

LII Operating Margin Metrics

OPERATING MARGIN

19.52%

OPERATING MARGIN AVG TTM

19.46%

OPERATING MARGIN AVG 3Y

17.17%

OPERATING MARGIN AVG 5Y

15.99%

OPERATING MARGIN AVG 10Y

14.53%

OPERATING MARGIN AVG 15Y

12.40%

OPERATING MARGIN AVG 20Y

10.75%

CURRENT VS TTM AVG

+0.31%

CURRENT VS 3Y AVG

+13.67%

CURRENT VS 5Y AVG

+22.09%

CURRENT VS 10Y AVG

+34.38%

CURRENT VS 15Y AVG

+57.44%

CURRENT VS 20Y AVG

+81.54%

LII Competitors' Operating Margin

NAMEMARKET CAPOPERATING MARGINTTM3Y5Y
Lennox International Inc. (LII)$17.82B19.52%19.46%17.17%15.99%
Fortive Corporation (FTV)$18.33B17.73%18.27%18.13%17.06%
Generac Holdings Inc. (GNRC)$15.44B7.46%9.68%10.34%13.33%
Advanced Energy Industries, Inc. (AEIS)$13.48B11.33%6.66%8.21%9.28%
CNH Industrial N.V. (CNH)$13.14B14.65%17.41%18.34%17.12%
Stanley Black & Decker, Inc. (SWK)$13.00B7.79%7.62%7.39%8.22%
Pentair plc (PNR)$11.93B20.57%20.11%18.17%17.48%
Powell Industries, Inc. (POWL)$10.74B19.76%18.70%11.92%8.65%
Hubbell Incorporated (HUBB)$25.20B20.77%20.11%18.47%16.67%
Planet Labs PBC (PL)$10.37B-31.94%-39.21%-61.80%-70.34%

Operating Efficiency

Gross Margin

33.1%

Operating Margin

19.5%

Lennox International Inc. Operating Margin Formula & Definition

Operating Margin = Operating Income / Revenue

Operating margin is the percentage of revenue remaining after operating expenses, reflecting operating efficiency.

Expanded definitions: Investopedia, Wikipedia, Corporate Finance Institute

Lennox International Inc. Operating Margin FAQ

What is the operating margin for Lennox International Inc. (LII)?
The operating margin for LII stock is 19.52%.
Is Lennox International Inc.'s operating margin high or low?
Lennox International Inc.'s operating margin of 19.52% is 22% above its 5-year average of 15.99%, near the high end of its 5-year range (13.17%–19.55%).
What is the TTM average operating margin for Lennox International Inc. (LII)?
The TTM average operating margin for LII stock is 19.46%.
What is the 3Y average operating margin for Lennox International Inc. (LII)?
The 3Y average operating margin for LII stock is 17.17%.
What is the 5Y average operating margin for Lennox International Inc. (LII)?
The 5Y average operating margin for LII stock is 15.99%.
What is the 10Y average operating margin for Lennox International Inc. (LII)?
The 10Y average operating margin for LII stock is 14.53%.
What is the 15Y average operating margin for Lennox International Inc. (LII)?
The 15Y average operating margin for LII stock is 12.40%.
What is the 20Y average operating margin for Lennox International Inc. (LII)?
The 20Y average operating margin for LII stock is 10.75%.

Lennox International Inc. Operating Margin History

DATEOPERATING MARGIN
2025-12-3119.55%
2024-12-3119.37%
2023-12-3115.86%
2022-12-3113.91%
2021-12-3114.07%
2020-12-3113.17%
2019-12-3117.25%
2018-12-3113.13%
2017-12-3112.88%
2016-12-3111.79%
2015-12-318.81%
2014-12-319.94%
2013-12-319.03%
2012-12-317.43%
2011-12-315.58%
2010-12-316.60%
2009-12-313.83%
2008-12-316.28%
2007-12-317.11%
2006-12-314.60%
2005-12-315.61%
2004-12-31-1.23%
2003-12-315.11%
2002-12-313.35%
2001-12-31-0.02%
2000-12-314.88%
1999-12-316.61%
1998-12-315.86%

About Lennox International Inc.

Lennox International Inc. is a global manufacturer and distributor specializing in heating, ventilation, air conditioning (HVAC), and refrigeration solutions. The company operates across three divisions: Residential Heating & Cooling, Commercial Heating & Cooling, and Refrigeration. Its Residential Heating & Cooling division supplies homeowners with systems like furnaces, air conditioners, and heat pumps, along with indoor air quality products, comfort controls, and replacement components, catering to both new construction and existing residential upgrades. The Commercial Heating & Cooling division serves the light commercial sector, providing unitary HVAC equipment, advanced applied systems, control technologies, and comprehensive installation and maintenance services, including variable refrigerant flow solutions. Lastly, the Refrigeration division delivers essential components such as condensing units, unit coolers, and industrial chillers. These are crucial for food preservation in retail, hospitality, and logistics (e.g., supermarkets, restaurants, warehouses), as well as for specialized cooling needs in data centers, machine tooling, and other industrial applications. The company distributes its offerings through direct sales, a network of distributors, and its proprietary parts and supplies retail locations. Established in 1895, Lennox International Inc. maintains its headquarters in Richardson, Texas.

Richardson, TX
5,400 employees
Industrials / Construction
Sector
Industrials
Industry
Construction
CEO
Alok Maskara