Lennox International (LII) Operating Margin (2009 - 2026)
Lennox International (LII) reported Operating Margin of 19.85% for Q3 2026, down 3.20 percentage points from 23.04% a year earlier and down 3.13 percentage points from the prior quarter.
Lennox International (LII) Operating Margin (2009 - 2026) Analysis & Trends
Over the twelve months ended Sep 30, 2026, Lennox International's Operating Margin came in at 18.84%, down 1.66 percentage points year-over-year; for FY2025, it came in at 20.05%, up 0.57 percentage points from FY2024.
- Operating Margin has increased for three consecutive years, with a five-year change of +6.88 percentage points (FY2020 to FY2025).
- By year, Operating Margin came in at 19.48% in FY2024 (+3.59 pp), 15.89% in FY2023 (+1.98 pp), 13.91% in FY2022 (-0.17 pp) and 14.07% in FY2021 (+0.91 pp).
- Five-year quarterly Operating Margin spans a low of 10.12% in Q4 2021 and a high of 23.25% in Q2 2025.
- Year over year, Operating Margin has now declined in each of the last four quarters, with an average year-over-year change of -0.10 percentage points over the last eight quarters.
- The high point for year-over-year Operating Margin in five years was Q3 2024 (a gain of 6.57 percentage points); the low point was Q4 2021 (a drop of 5.09 percentage points).
- Per Business Quant data, the three quarters before Q3 2026 came in at 22.97% (Q2 2026), 14.40% (Q1 2026) and 16.38% (Q4 2025).
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | Operating Margin (Qtr) |
|---|---|---|---|---|---|
| 1 | Trane Technologies | 88.43 Bn | 83.04 Bn | 2.38 Bn | 19.87% |
| 2 | Johnson Controls International | 81.95 Bn | 79.68 Bn | 2.47 Bn | 14.92% |
| 3 | Carrier Global | 43.09 Bn | 37.47 Bn | 1.90 Bn | -36.29% |
| 4 | Comfort Systems Usa | 35.64 Bn | 29.60 Bn | 934.48 Mn | 16.58% |
| 5 | Otis Worldwide | 30.11 Bn | 26.50 Bn | 1.16 Bn | 15.84% |
| 6 | James Hardie Industries | 16.21 Bn | 15.14 Bn | 562.40 Mn | 18.44% |
| 7 | Masco | 16.11 Bn | 13.92 Bn | 720.00 Mn | 17.19% |
| 8 | Allegion | 15.72 Bn | 14.35 Bn | 548.20 Mn | 24.27% |
| 9 | Carlisle Companies | 14.80 Bn | 11.71 Bn | 494.90 Mn | 20.04% |
| 10 | Lennox International | 11.75 Bn | 11.57 Bn | 497.20 Mn | 19.85% |
Historic Data
| Date | Value |
|---|---|
| Sep 30, 2026 | 19.85% |
| Jun 30, 2026 | 22.97% |
| Mar 31, 2026 | 14.40% |
| Dec 31, 2025 | 16.38% |
| Sep 30, 2025 | 23.04% |
| Jun 30, 2025 | 23.25% |
| Mar 31, 2025 | 15.66% |
| Dec 31, 2024 | 18.60% |
| Sep 30, 2024 | 20.25% |
| Jun 30, 2024 | 22.06% |
| Mar 31, 2024 | 15.93% |
| Dec 31, 2023 | 16.17% |
| Sep 30, 2023 | 13.67% |
| Jun 30, 2023 | 19.75% |
| Mar 31, 2023 | 13.29% |
| Dec 31, 2022 | 12.03% |
| Sep 30, 2022 | 14.92% |
| Jun 30, 2022 | 16.61% |
| Mar 31, 2022 | 11.04% |
| Dec 31, 2021 | 10.12% |
Lennox International Operating Margin API
Pull this series into your own models, spreadsheets and apps with the Business Quant
Historical Metrics API. The request below matches the chart above — change the
frequency, period or values and it follows. Swap YOUR_API_KEY for your own key.
https://data.businessquant.com/historic?slug=operating-margin&ticker=LII&period=max&api_key=YOUR_API_KEY
import requests
url = "https://data.businessquant.com/historic"
params = {"slug": "operating-margin", "ticker": "LII", "period": "max", "api_key": "YOUR_API_KEY"}
data = requests.get(url, params=params).json()
const res = await fetch("https://data.businessquant.com/historic?slug=operating-margin&ticker=LII&period=max&api_key=YOUR_API_KEY");
const data = await res.json();