Lennox International Inc. (LII) Revenue History
Annual and quarterly revenue from 2014 to 2025
Compound Annual Growth Rate (CAGR)
Loading revenue history...
LII Revenue Growth
Revenue Breakdown (FY 2025)
LII's revenue distribution by segment and geography for fiscal year 2025
By Product/Segment
By Geography
LII Revenue Analysis (2014–2025)
As of May 8, 2026, Lennox International Inc. (LII) generated trailing twelve-month (TTM) revenue of $5.26 billion, reflecting solid growth of +5.8% year-over-year. The most recent quarter (Q1 2026) recorded $1.14 billion in revenue, down 5.0% sequentially.
Looking at the longer-term picture, LII's 5-year compound annual growth rate (CAGR) stands at +7.4%, indicating steady revenue expansion. The company achieved its highest annual revenue of $5.34 billion in 2024.
Revenue diversification analysis shows LII's business is primarily driven by Residential Heating and Cooling (64%), and Commercial Heating and Cooling (36%). With over half of revenue concentrated in Residential Heating and Cooling, the company maintains significant focus in this area while developing other growth vectors.
When compared to Industrials sector peers including CARR (-1.9% YoY), TT (+6.4% YoY), and JCI (+5.1% YoY), LII has underperformed the peer group in terms of revenue growth. Compare LII vs CARR →
LII Revenue vs Peers
Revenue metrics vs comparable public companies
| Company | TTM Revenue | YoY Growth | 5Y CAGR | Op. Margin | Compare |
|---|---|---|---|---|---|
| LIICurrent | $5.3B | +5.8% | +7.4% | 19.5% | |
 CARR | $21.7B | -1.9% | +4.5% | 9.9% | |
 TT | $21.3B | +6.4% | +11.4% | 18.6% | |
 JCI | $23.6B | +5.1% | +1.1% | 12.0% | |
 ALLE | $4.1B | +8.9% | +8.4% | 21.1% | |
 AAON | $1.4B | +28.3% | +22.9% | 10.1% |
LII Historical Revenue Data (2014–2025)
| Year | Revenue | YoY % | Gross Profit | Gross Margin | Op. Income | Op. Margin |
|---|---|---|---|---|---|---|
| 2025 | $5.20B | -2.7% | $1.72B | 33.0% | $1.02B | 19.5% |
| 2024 | $5.34B | +7.2% | $1.77B | 33.2% | $1.03B | 19.4% |
| 2023 | $4.98B | +5.6% | $1.55B | 31.1% | $790.1M | 15.9% |
| 2022 | $4.72B | +12.5% | $1.28B | 27.2% | $656.2M | 13.9% |
| 2021 | $4.19B | +15.4% | $1.19B | 28.3% | $590.3M | 14.1% |
| 2020 | $3.63B | -4.5% | $1.04B | 28.6% | $478.5M | 13.2% |
| 2019 | $3.81B | -2.0% | $1.08B | 28.4% | $656.9M | 17.3% |
| 2018 | $3.88B | +1.2% | $1.11B | 28.6% | $509.9M | 13.1% |
| 2017 | $3.84B | +5.4% | $1.13B | 29.3% | $494.5M | 12.9% |
| 2016 | $3.64B | +5.0% | $1.08B | 29.6% | $429.4M | 11.8% |
Full LII Stock Analysis
Analyst consensus, bull case, AI-generated risk factors, and peer comparison — all in one place.
See LII's True Return
Price is only half the story. See total return with reinvested dividends.
Launch CalculatorIs LII Undervalued?
DCF intrinsic value, peer multiples, and analyst estimates — see what the stock is really worth.
View ValuationCompare LII vs SPIR
Side-by-side business, growth, and profitability comparison vs Spire Global, Inc..
Start ComparisonLII — Frequently Asked Questions
Quick answers to the most common questions about buying LII stock.
Is LII's revenue growth accelerating or slowing?
LII maintains +5.8% revenue growth, in line with its 5-year CAGR of +7.4%. TTM revenue stands at $5.3B. Growth rate remains consistent with historical average.
What is LII's long-term revenue growth rate?
Lennox International Inc.'s 5-year revenue CAGR of +7.4% reflects the sustained expansion pattern. Current YoY growth of +5.8% is near this long-term average.
How is LII's revenue distributed by segment?
LII reports revenue by product line and geographic region. Annual and quarterly breakdowns from 2014-2025 are available for download. Segment mix reveals concentration and diversification trends.