Lennox International Inc (LII) Net Margin (2009 - 2026)
Lennox International's Net Margin was 17.41% in Q2 2026, down 0.84 percentage points from 18.25% a year earlier but up 7.08 percentage points from the prior quarter.
Lennox International Inc (LII) Net Margin (2009 - 2026) Analysis & Trends
On a trailing twelve-month basis, Lennox International's Net Margin was 14.87% through Jun 30, 2026, down 0.72 percentage points year-over-year; for FY2025, it was 15.51%, up 0.32 percentage points from FY2024.
- Net Margin has now increased for three consecutive years, with a five-year change of +5.71 percentage points (FY2020 to FY2025).
- In earlier years, Net Margin was 15.19% in FY2024 (+3.32 pp), 11.87% in FY2023 (+1.33 pp), 10.54% in FY2022 (-0.53 pp) and 11.06% in FY2021 (+1.26 pp).
- Quarterly Net Margin has moved between 8.25% (Q1 2022) and 18.25% (Q2 2025) over five years.
- Compared with a year earlier, Net Margin has declined for three straight quarters, with an average year-over-year change of +0.86 percentage points over the last eight quarters.
- The best year-over-year quarter for Net Margin over five years was Q3 2024 (a gain of 6.41 percentage points); the worst was Q4 2021 (a drop of 3.56 percentage points).
- Per Business Quant data, LII's Net Margin in the three quarters before Q2 2026 was 10.33% (Q1 2026), 11.92% (Q4 2025) and 18.22% (Q3 2025).
Peer Comparison
Historic Data
| Date | Value |
|---|---|
| Jun 30, 2026 | 17.41% |
| Mar 31, 2026 | 10.33% |
| Dec 31, 2025 | 11.92% |
| Sep 30, 2025 | 18.22% |
| Jun 30, 2025 | 18.25% |
| Mar 31, 2025 | 12.08% |
| Dec 31, 2024 | 15.01% |
| Sep 30, 2024 | 15.95% |
| Jun 30, 2024 | 16.95% |
| Mar 31, 2024 | 11.87% |
| Dec 31, 2023 | 12.61% |
| Sep 30, 2023 | 9.54% |
| Jun 30, 2023 | 15.39% |
| Mar 31, 2023 | 9.34% |
| Dec 31, 2022 | 8.63% |
| Sep 30, 2022 | 11.40% |
| Jun 30, 2022 | 12.97% |
| Mar 31, 2022 | 8.25% |
| Dec 31, 2021 | 8.67% |
| Sep 30, 2021 | 11.92% |
Lennox International Inc Net 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=net-margin&ticker=LII&period=max&api_key=YOUR_API_KEY
import requests
url = "https://data.businessquant.com/historic"
params = {"slug": "net-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=net-margin&ticker=LII&period=max&api_key=YOUR_API_KEY");
const data = await res.json();