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Lennox International Inc. (LII) Stock Fundamental Analysis & AI Rating 2026

LII NYSE Air-Cond & Warm Air Heatg Equip & Comm & Indl Refrig Equip DE CIK: 0001069202
Recently Updated • Analysis: Apr 12, 2026 • SEC Data: 2025-12-31
📅 Next earnings: Apr 29, 2026 (in 13 days) • Pre-market ET • EPS est. $3.16 (vs $3.37 prior year) • All earnings →
Combined AI Rating
BUY
73% Confidence
AGREEMENT
HOLD
72% Conf
BUY
74% Conf

📊 LII Key Takeaways

Revenue: $5.2B
Net Margin: 15.5%
Free Cash Flow: $638.8M
Current Ratio: 1.60x
Debt/Equity: 0.98x
EPS: $22.79
AI Rating: HOLD with 72% confidence
Lennox International Inc. (LII) receives a BUY rating with 73% confidence from our AI fundamental analysis based on SEC 10-K filings. With revenue of $5.2B, net profit margin of 15.5%, and return on equity (ROE) of 69.3%, Lennox International Inc. demonstrates strong fundamentals in the Market sector. Below is our complete LII stock analysis for 2026.

Is Lennox International Inc. (LII) a Good Investment?

Claude

Lennox demonstrates exceptional profitability with 33.4% gross margins and 69.3% ROE, generating robust free cash flow of $638.8M. However, revenue contraction of 2.7% YoY combined with weak liquidity (34.2M cash, 0.63x quick ratio) and moderate leverage (0.98x D/E) creates balance sheet risk in a capital-intensive business.

ChatGPT

Lennox delivers exceptional profitability and cash generation despite a slight revenue decline, evidenced by a 20% operating margin and a 12% FCF margin. Strong ROE/ROA and high interest coverage suggest durable competitive positioning and disciplined capital use. Near-term growth softness appears cyclical; maintaining margins and cash conversion would support continued fundamental strength.

Why Buy Lennox International Inc. Stock? LII Key Strengths

Claude
  • + Exceptional return on equity (69.3%) and ROA (19.7%) demonstrate superior capital efficiency
  • + Strong profitability with 20% operating margin and 15.5% net margin across all profitability tiers
  • + Robust free cash flow generation ($638.8M FCF, 12.3% FCF margin) with excellent operating cash flow ($757.6M)
  • + Fortress interest coverage of 25.5x eliminates debt servicing risk
  • + Adequate current ratio of 1.60x supports operational liquidity needs
ChatGPT
  • + Industry-leading operating margin and net margin
  • + Strong free cash flow conversion and double-digit FCF margin
  • + High ROE/ROA with robust interest coverage

LII Stock Risks: Lennox International Inc. Investment Risks

Claude
  • ! Revenue declining 2.7% YoY signals demand weakness or market share loss in HVAC/refrigeration sector
  • ! Critical liquidity gap: only 34.2M cash against 1.1B long-term debt and 0.63x quick ratio indicates minimal financial flexibility
  • ! Moderate-to-high leverage (0.98x D/E) combined with declining revenue creates vulnerability to economic downturns or credit tightening
  • ! Capital-intensive business model (118.8M annual CapEx) while managing revenue contraction could pressure future margins
  • ! Total liabilities of 2.9B nearly match total assets of 4.1B, leaving limited equity cushion
ChatGPT
  • ! Cyclical exposure to housing/HVAC replacement driving revenue softness
  • ! Low quick ratio and minimal cash balance increase liquidity sensitivity
  • ! Input cost and regulatory changes could pressure margins

Key Metrics to Watch

Claude
  • * Revenue growth trajectory and stabilization - monitor if -2.7% decline continues or reverses
  • * Operating cash flow trend - ensure 757.6M level is sustainable as revenues shift
  • * Debt reduction progress and cash balance improvement - track if company prioritizes balance sheet de-leveraging
  • * Gross margin stability - watch for pricing pressure or input cost inflation given declining topline
ChatGPT
  • * YoY revenue growth
  • * Gross margin

Lennox International Inc. (LII) Financial Metrics & Key Ratios

Revenue
$5.2B
Net Income
$805.8M
EPS (Diluted)
$22.79
Free Cash Flow
$638.8M
Total Assets
$4.1B
Cash Position
$34.2M

💡 AI Analyst Insight

Lennox International Inc. presents a mixed fundamental picture. Review the detailed metrics above to form your own investment thesis.

LII Profit Margin, ROE & Profitability Analysis

Gross Margin 33.4%
Operating Margin 20.0%
Net Margin 15.5%
ROE 69.3%
ROA 19.7%
FCF Margin 12.3%

LII vs Market Sector: How Lennox International Inc. Compares

How Lennox International Inc. compares to Market sector averages

Net Margin
LII 15.5%
vs
Sector Avg 12.0%
LII Sector
ROE
LII 69.3%
vs
Sector Avg 15.0%
LII Sector
Current Ratio
LII 1.6x
vs
Sector Avg 1.8x
LII Sector
Debt/Equity
LII 1.0x
vs
Sector Avg 0.7x
LII Sector

Sector benchmarks are approximate industry averages. Actual sector performance may vary.

Is Lennox International Inc. Stock Overvalued? LII Valuation Analysis 2026

Based on fundamental analysis, Lennox International Inc. has mixed fundamental signals relative to the Market sector in 2026.

Return on Equity
69.3%
Sector avg: 15%
Net Profit Margin
15.5%
Sector avg: 12%
Revenue Growth
N/A
Year-over-year
Debt/Equity
0.98x
Sector avg: 0.7x

Note: This is a fundamental analysis based on SEC filings. For P/E ratio, price targets, and market-based valuation, consult financial data providers. This is not investment advice.

Lennox International Inc. Balance Sheet: LII Debt, Cash & Liquidity

Current Ratio
1.60x
Quick Ratio
0.63x
Debt/Equity
0.98x
Debt/Assets
71.5%
Interest Coverage
25.46x
Long-term Debt
$1.1B

LII Revenue & Earnings Growth: 5-Year Financial Trend

LII 5-year financial data: Year 2021: Revenue $4.2B, Net Income $408.7M, EPS $10.38. Year 2022: Revenue $4.7B, Net Income $356.3M, EPS $9.24. Year 2023: Revenue $5.0B, Net Income $464.0M, EPS $12.39. Year 2024: Revenue $5.3B, Net Income $497.1M, EPS $13.88. Year 2025: Revenue $5.3B, Net Income $591.2M, EPS $16.58.
Revenue
Net Income
EPS (right axis)

5-Year Trend Summary: Lennox International Inc.'s revenue has grown significantly by 27% over the 5-year period, indicating strong business expansion. The most recent EPS of $16.58 reflects profitable operations.

LII Revenue Growth, EPS Growth & YoY Performance

Revenue Growth
N/A
Year-over-year
Net Income Growth
N/A
Year-over-year
EPS Growth
N/A
Earnings per share
FCF Margin
12.3%
Free cash flow / Revenue

LII Quarterly Earnings & Performance

Quarterly financial performance data for Lennox International Inc. including revenue, net income, and earnings per share.
Quarter Revenue Net Income EPS
Q3 2025 $1.4B $239.0M $6.68
Q2 2025 $1.5B $245.9M $6.87
Q1 2025 $1.0B $120.3M $3.37
Q3 2024 $1.4B $130.4M $3.65
Q2 2024 $1.4B $217.2M $6.10
Q1 2024 $1.0B $98.0M $2.75
Q3 2023 $1.2B $130.4M $3.65
Q2 2023 $1.4B $177.2M $4.96

Data sourced from SEC EDGAR 10-Q quarterly filings. Figures may represent quarterly or cumulative values.

Lennox International Inc. Dividends, Buybacks & Capital Allocation

Operating Cash Flow
$757.6M
Cash generated from operations
Stock Buybacks
$482.3M
Shares repurchased (TTM)
Capital Expenditures
$118.8M
Investment in assets
Dividends Paid
$173.0M
Returned to shareholders

LII SEC Filings: Latest 10-K & 10-Q Analysis

Access official SEC EDGAR filings for Lennox International Inc. (CIK: 0001069202)

📋 Recent SEC Filings

Date Form Document Action
Apr 13, 2026 4 xslF345X06/wk-form4_1776106701.xml View →
Apr 8, 2026 DEF 14A lii-20260406.htm View →
Mar 16, 2026 4 xslF345X05/wk-form4_1773673816.xml View →
Mar 16, 2026 4 xslF345X05/wk-form4_1773673765.xml View →
Mar 16, 2026 4 xslF345X05/wk-form4_1773673731.xml View →

Frequently Asked Questions about LII

What is the AI rating for LII?

Lennox International Inc. (LII) has a Combined AI Rating of BUY from Claude (HOLD) and ChatGPT (BUY) with 73% combined confidence, based on fundamental analysis of SEC EDGAR filings.

What are LII's key strengths?

Claude: Exceptional return on equity (69.3%) and ROA (19.7%) demonstrate superior capital efficiency. Strong profitability with 20% operating margin and 15.5% net margin across all profitability tiers. ChatGPT: Industry-leading operating margin and net margin. Strong free cash flow conversion and double-digit FCF margin.

What are the risks of investing in LII?

Claude: Revenue declining 2.7% YoY signals demand weakness or market share loss in HVAC/refrigeration sector. Critical liquidity gap: only 34.2M cash against 1.1B long-term debt and 0.63x quick ratio indicates minimal financial flexibility. ChatGPT: Cyclical exposure to housing/HVAC replacement driving revenue softness. Low quick ratio and minimal cash balance increase liquidity sensitivity.

What is LII's revenue and growth?

Lennox International Inc. reported revenue of $5.2B.

Does LII pay dividends?

Lennox International Inc. pays dividends, with $173.0M distributed to shareholders in the trailing twelve months.

Where can I find LII SEC filings?

Official SEC filings for Lennox International Inc. (CIK: 0001069202) including 10-K, 10-Q, and 8-K reports are available on SEC EDGAR.

What is LII's EPS?

Lennox International Inc. has a diluted EPS of $22.79.

How is the AI analysis conducted?

Two independent AI systems — Claude (Anthropic) and ChatGPT (OpenAI) — analyze SEC EDGAR filings including 10-K annual reports and 10-Q quarterly reports. Each AI evaluates financial health, profitability ratios, balance sheet strength, and growth metrics. The combined rating reflects both perspectives for balanced insights.

Is LII a good stock to buy right now?

Based on our AI fundamental analysis in April 2026, Lennox International Inc. has a BUY rating with 73% confidence. The AI analysis suggests favorable fundamentals based on SEC filings. This is not investment advice.

Is LII stock overvalued or undervalued?

Valuation metrics for LII: ROE of 69.3% (sector avg: 15%), net margin of 15.5% (sector avg: 12%). Higher ROE suggests strong returns relative to peers.

Should I buy LII stock in 2026?

Our dual AI analysis gives Lennox International Inc. a combined BUY rating for 2026. Revenue is data pending, with profitability above sector average. Always conduct your own research.

What is LII's free cash flow?

Lennox International Inc.'s operating cash flow is $757.6M, with capital expenditures of $118.8M. FCF margin is 12.3%.

How does LII compare to other Market stocks?

Vs Default sector averages: Net margin 15.5% (avg: 12%), ROE 69.3% (avg: 15%), current ratio 1.60 (avg: 1.8).

Why is LII's return on equity (ROE) so high?

Lennox International Inc. has a return on equity of 69.3%, significantly above the Market sector average of 15%. A high ROE indicates the company is efficient at generating profits from shareholder equity. This is supported by a 15.5% net margin.

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Disclaimer: This analysis is generated by Claude AI (Anthropic) and ChatGPT (OpenAI) based on publicly available SEC EDGAR filings. It does not include stock price data and should not be considered financial advice. All fundamental data is sourced from SEC public domain filings. Always conduct your own research and consult with a qualified financial advisor before making investment decisions.
Data Source: SEC EDGAR | Analysis Date: Apr 12, 2026 | Data as of: 2025-12-31 | Powered by Claude AI