TTM
19.5%
YoY change
+0.17pp
Trough year (2004)
-1.2%
Peak year (2025)
19.5%
Latest annual
19.5%
Operating Margin history chart for Lennox International (LII) from 1998 to 2025
Latest: 19.5%
Operating Margin change chart for Lennox International (LII) from 1998 to 2025
Latest: +0.17pp
Operating Margin history table for Lennox International (LII) from 1998 to 2025
| 2025 | 19.5% | +0.17pp | ||
| 2024 | 19.4% | +3.51pp | ||
| 2023 | 15.9% | +1.95pp | ||
| 2022 | 13.9% | -0.17pp | ||
| 2021 | 14.1% | +0.91pp | ||
| 2020 | 13.2% | -4.09pp | ||
| 2019 | 17.3% | +4.13pp | ||
| 2018 | 13.1% | +0.25pp | ||
| 2017 | 12.9% | +1.09pp | ||
| 2016 | 11.8% | +2.98pp | ||
| 2015 | 8.8% | -1.13pp | ||
| 2014 | 9.9% | +0.91pp | ||
| 2013 | 9.0% | +1.61pp | ||
| 2012 | 7.4% | +1.85pp | ||
| 2011 | 5.6% | -1.02pp | ||
| 2010 | 6.6% | +2.77pp | ||
| 2009 | 3.8% | -2.44pp | ||
| 2008 | 6.3% | -0.83pp | ||
| 2007 | 7.1% | +2.51pp | ||
| 2006 | 4.6% | -1.02pp | ||
| 2005 | 5.6% | +6.84pp | ||
| 2004 | -1.2% | -6.34pp | ||
| 2003 | 5.1% | +1.77pp | ||
| 2002 | 3.3% | +3.37pp | ||
| 2001 | -0.0% | -4.91pp | ||
| 2000 | 4.9% | -1.72pp | ||
| 1999 | 6.6% | +0.75pp | ||
| 1998 | 5.9% | — |
- 202519.5%+0.17pp
- 202419.4%+3.51pp
- 202315.9%+1.95pp
- 202213.9%-0.17pp
- 202114.1%+0.91pp
- 202013.2%-4.09pp
- 201917.3%+4.13pp
- 201813.1%+0.25pp
- 201712.9%+1.09pp
- 201611.8%+2.98pp
- 20158.8%-1.13pp
- 20149.9%+0.91pp
- 20139.0%+1.61pp
- 20127.4%+1.85pp
- 20115.6%-1.02pp
- 20106.6%+2.77pp
- 20093.8%-2.44pp
- 20086.3%-0.83pp
- 20077.1%+2.51pp
- 20064.6%-1.02pp
- 20055.6%+6.84pp
- 2004-1.2%-6.34pp
- 20035.1%+1.77pp
- 20023.3%+3.37pp
- 2001-0.0%-4.91pp
- 20004.9%-1.72pp
- 19996.6%+0.75pp
- 19985.9%—
Operating Margin values are taken from Lennox International's reported income statements (quarterly 10-Q and annual 10-K filings with the U.S. Securities and Exchange Commission). Each row shows the period end date and the filing date. YoY compares each figure to the same period one year earlier. Amounts are in USD as filed.
About Operating Margin at Lennox International (LII)
According to Lennox International's latest reported financial statements, the company's latest reported operating margin is 19.5%. Operating margin is operating income divided by revenue — the share of each sales dollar left after cost of goods sold and operating expenses (SG&A, R&D), but before interest and taxes. It isolates how profitable the core business is before financing and tax decisions, so it is comparable across companies with different capital structures.
Headline figure above is from the reporting period ending (reported ). Chart and table below cover the full reported history back to .
As of the 2025 fiscal year, Lennox International (LII) reported operating margin of 19.55% – expanded 0.2 percentage points year-over-year.
2025 marks the peak operating margin at 19.55%, with the historical low of -1.23% recorded in 2004.
Lennox International Operating Margin by Year
Lennox International Operating Margin 2025: 19.5%
2025's operating margin for Lennox International came in at 19.55%, expanded 0.2 percentage points from 2024. This figure represents the highest annual value in the available history.
Lennox International Operating Margin 2024: 19.4%
Lennox International posted operating margin of 19.37% in 2024, expanded 3.5 percentage points from 2023.
Lennox International Operating Margin 2023: 15.9%
In 2023, Lennox International reported operating margin of 15.86%, expanded 2.0 percentage points from 2022.
Lennox International Operating Margin 2022: 13.9%
Lennox International operating margin in 2022 was 13.91%, contracted 0.2 percentage points from 2021.
Lennox International Operating Margin 2021: 14.1%
Lennox International operating margin in 2021 was 14.07%.
See more financial history for Lennox International (LII).
Sector peers by Operating Margin
Industrials peers of Lennox International (LII), ranked by their latest operating margin
| 40.1% | |
| 18.5% | |
| 18.1% | |
| 17.9% | |
| 16.6% | |
| 14.9% | |
| 10.9% | |
| -5.9% |
- 40.1%
- 18.5%
- 17.9%
- 16.6%
- 10.9%
- -5.9%
Frequently asked questions
Lennox International (LII) Key Financials
Charts, filings, and peer comparison for every metric
Explore more
Deep-dives across the income statement, cash flow, capital return, and valuation