AER vs. LII: AerCap vs. Lennox Stock Comparison

November 11, 2026

How do AerCap (AER) and Lennox (LII) stack up? This page sets them side by side across company profile, performance and risk, profitability, growth, financial strength, dividends, and valuation, with selected fundamentals also measured against each stock's industry-group peers.

Company Profile

AerCap (AER) and Lennox (LII) both fall under the Capital Goods industry group, but AER is classified in Trading Companies & Distributors while LII is classified in Building Products.

Company profile comparison for AerCap (AER) and Lennox (LII)
Profile Item	AER	LII
Name	AerCap Holdings N.V.	Lennox International Inc.
Country/Region	Ireland	United States
GICS Sector	Industrials	Industrials
GICS Industry Group	Capital Goods	Capital Goods
GICS Industry	Trading Companies & Distributors	Building Products
GICS Sub-Industry	Trading Companies & Distributors	Building Products
Market Capitalization	25.76 billion USD	11.70 billion USD
Currency	USD	USD
Exchange	NYSE	NYSE
Listing Date	November 21, 2006	July 29, 1999
Security Type	Common Stock	Common Stock

Price Performance

Cumulative Growth

AER

LII

GSPC

AerCap (AER) vs. Lennox (LII), with S&P 500 (GSPC) for reference: Growth of a $10,000 investment over the past five years. Adjusted for dividends and splits.

Trailing Returns

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Trailing total returns for AerCap (AER) and Lennox (LII). Returns over one year are annualized.

Calendar-Year Returns

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Calendar-year total returns for AerCap (AER) and Lennox (LII). Each bar is that year's total return, measured year-end to year-end.

Performance Metrics

Price performance metrics for AerCap (AER) and Lennox (LII)
Metric	AER	LII
Total Return (1Y)	32.17%	-27.83%
Total Return (3Y, Annualized)	39.43%	-2.32%
Total Return (5Y, Annualized)	21.06%	3.79%

Risk Profile

Drawdown History

AER

LII

GSPC

AerCap (AER) vs. Lennox (LII), with S&P 500 (GSPC) for reference: Drawdown from the running peak over the past five years. Each line shows the decline from its prior peak; 0% marks a new high.

Return Distribution

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Distribution of monthly total returns for AerCap (AER) and Lennox (LII). Each bar is the share of months whose return fell in that 5% bucket.

Risk Metrics

Risk profile metrics for AerCap (AER) and Lennox (LII)
Metric	AER	LII
Volatility (1Y, Annualized)	26.10%	41.59%
Beta (5Y)	0.95	1.18
Max Drawdown (5Y)	-44.81%	-49.95%
Avg. Volume (3M)	1.13M	563.34K

Risk-Adjusted Performance

Risk-Return Positioning

AER and LII are plotted by 1-year volatility (risk) and 1-year return. The dashed Capital Allocation Line runs from the risk-free rate through the shared industry median.

Risk-Adjusted Metrics

Risk-adjusted metrics for AerCap (AER) and Lennox (LII)
Metric	AER	LII
Sharpe Ratio (1Y)	1.07	-0.77
Sortino Ratio (1Y)	1.59	-0.96

Profitability

ROE (TTM)

Lennox (LII) at 62.82% clears its industry range for ROE, a sharper capital-efficiency signal than AerCap (AER) at 17.00%, which is closer to a typical peer reading.

AER

Capital Goods industry group

17.00%

Max: 40.55%
Q3: 19.29%
AER: 17.00%
Median: 12.12%
Q1: 4.08%
Min: -17.12%

LII

Capital Goods industry group

62.82%

LII: 62.82%
Max: 40.55%
Q3: 19.29%
Median: 12.12%
Q1: 4.08%
Min: -17.12%

AerCap (AER) vs. Lennox (LII): A comparison of their ROE against the Capital Goods industry group benchmark.

Net Margin (TTM)

AerCap (AER) at 34.47% keeps the most of each sales dollar — above its industry’s net margin range — and Lennox (LII) at 13.76% also retains a top-quartile share.

AER

Capital Goods industry group

34.47%

AER: 34.47%
Max: 27.47%
Q3: 12.10%
Median: 6.30%
Q1: 1.40%
Min: -12.89%

LII

Capital Goods industry group

13.76%

Max: 27.47%
LII: 13.76%
Q3: 12.10%
Median: 6.30%
Q1: 1.40%
Min: -12.89%

AerCap (AER) vs. Lennox (LII): A comparison of their net margin against the Capital Goods industry group benchmark.

Operating Margin (TTM)

AerCap (AER) at 62.55% shows unusually strong operating efficiency — above its industry’s operating margin range — and Lennox (LII) at 20.57% also operates in the top quartile.

AER

Capital Goods industry group

62.55%

AER: 62.55%
Max: 36.60%
Q3: 18.33%
Median: 11.12%
Q1: 5.14%
Min: -12.63%

LII

Capital Goods industry group

20.57%

Max: 36.60%
LII: 20.57%
Q3: 18.33%
Median: 11.12%
Q1: 5.14%
Min: -12.63%

AerCap (AER) vs. Lennox (LII): A comparison of their operating margin against the Capital Goods industry group benchmark.

Profitability Metrics

Profitability metrics for AerCap (AER) and Lennox (LII)
Metric	AER	LII
ROE (TTM)	17.00%	62.82%
ROA (TTM)	4.52%	15.93%
Net Margin (TTM)	34.47%	13.76%
Operating Margin (TTM)	62.55%	20.57%
Gross Margin (TTM)	63.02%	32.62%

Growth

Revenue Growth

AerCap (AER) at 6.50% is around its peer norm for revenue growth, while Lennox (LII) at -2.73% drops into the bottom quartile, signaling weaker demand or pricing momentum.

AerCap (AER) vs. Lennox (LII): A comparison of their Revenue Growth across different time periods.

EPS Growth

AerCap (AER) at 97.41% sits in the top EPS growth quartile, while Lennox (LII) at 1.11% is closer to the peer norm — faster per-share earnings growth for AER.

AerCap (AER) vs. Lennox (LII): A comparison of their EPS Growth across different time periods.

Growth Metrics

Growth metrics for AerCap (AER) and Lennox (LII)
Metric	AER	LII
Revenue Growth (YoY)	6.50%	-2.73%
Revenue Growth (3Y CAGR)	6.69%	3.26%
EPS Growth (YoY)	97.41%	1.11%
EPS Growth (3Y CAGR)	--	17.97%

Financial Strength

Current Ratio (MRQ)

AerCap (AER) at 1.45 keeps current ratio within its industry’s typical mid-range, while Lennox (LII) at 1.21 runs in the tighter-liquidity quartile — a thinner cushion against current liabilities for LII.

AER

Capital Goods industry group

1.45

Max: 5.22
Q3: 2.95
Median: 2.08
AER: 1.45
Q1: 1.43
Min: 0.36

LII

Capital Goods industry group

1.21

Max: 5.22
Q3: 2.95
Median: 2.08
Q1: 1.43
LII: 1.21
Min: 0.36

AerCap (AER) vs. Lennox (LII): A comparison of their current ratio against the Capital Goods industry group benchmark.

Debt / Equity (MRQ)

Both AerCap (AER) at 2.33 and Lennox (LII) at 1.58 lean more heavily on debt funding than most peers, landing in the higher-leverage quartile of their industries.

AER

Capital Goods industry group

2.33

AER: 2.33
Max: 2.33
Q3: 1.12
Median: 0.60
Q1: 0.29
Min: 0.00

LII

Capital Goods industry group

1.58

Max: 2.33
LII: 1.58
Q3: 1.12
Median: 0.60
Q1: 0.29
Min: 0.00

AerCap (AER) vs. Lennox (LII): A comparison of their debt-to-equity ratio against the Capital Goods industry group benchmark.

Financial Strength Metrics

Financial strength metrics for AerCap (AER) and Lennox (LII)
Metric	AER	LII
Current Ratio (MRQ)	1.45	1.21
Debt / Equity (MRQ)	2.33	1.58
Net Debt / EBITDA	7.77	1.73

Dividends

Dividend Yield (TTM)

Lennox (LII) at 1.53% delivers top-quartile income for its industry, while AerCap (AER) at 0.96% pays a more typical yield — both are credible income propositions, LII the richer one.

AER

Capital Goods industry group

0.96%

Max: 2.66%
Q3: 1.14%
AER: 0.96%
Median: 0.24%
Q1: 0.00%
Min: 0.00%

LII

Capital Goods industry group

1.53%

Max: 2.66%
LII: 1.53%
Q3: 1.14%
Median: 0.24%
Q1: 0.00%
Min: 0.00%

AerCap (AER) vs. Lennox (LII): A comparison of their dividend yield against the Capital Goods industry group benchmark.

Dividend Payout Ratio (TTM)

Both AerCap (AER) at 7.52% and Lennox (LII) at 24.68% keep payout ratio within their industries’ typical mid-ranges — dividend policies that share earnings without consuming too much of them.

AER

Capital Goods industry group

7.52%

Max: 67.39%
Q3: 28.02%
AER: 7.52%
Median: 6.86%
Q1: 0.00%
Min: 0.00%

LII

Capital Goods industry group

24.68%

Max: 67.39%
Q3: 28.02%
LII: 24.68%
Median: 6.86%
Q1: 0.00%
Min: 0.00%

AerCap (AER) vs. Lennox (LII): A comparison of their payout ratio against the Capital Goods industry group benchmark.

Dividend Metrics

Dividend metrics for AerCap (AER) and Lennox (LII)
Metric	AER	LII
Dividend Yield (TTM)	0.96%	1.53%
Dividend Payout Ratio (TTM)	7.52%	24.68%

Valuation

P/E Ratio (TTM)

Both AerCap (AER) at 8.67 and Lennox (LII) at 15.47 sit in the cheaper earnings-multiple quartile for P/E ratio, with the market paying less for a dollar of trailing earnings than it pays for typical peers.

AER

Capital Goods industry group

8.67

Max: 59.38
Q3: 35.92
Median: 25.41
Q1: 19.47
AER: 8.67
Min: 3.03

LII

Capital Goods industry group

15.47

Max: 59.38
Q3: 35.92
Median: 25.41
Q1: 19.47
LII: 15.47
Min: 3.03

AerCap (AER) vs. Lennox (LII): A comparison of their P/E ratio against the Capital Goods industry group benchmark.

P/S Ratio (TTM)

On P/S ratio, both AerCap (AER) at 2.84 and Lennox (LII) at 2.15 are priced roughly in line with their industries — neither looks cheap nor rich on a sales basis.

AER

Capital Goods industry group

2.84

Max: 7.54
Q3: 3.76
AER: 2.84
Median: 2.15
Q1: 1.03
Min: 0.03

LII

Capital Goods industry group

2.15

Max: 7.54
Q3: 3.76
Median: 2.15
LII: 2.15
Q1: 1.03
Min: 0.03

AerCap (AER) vs. Lennox (LII): A comparison of their P/S ratio against the Capital Goods industry group benchmark.

P/B Ratio (MRQ)

AerCap (AER) at 1.36 looks cheap against book in the lower P/B ratio quartile, while Lennox (LII) at 8.88 carries a premium in the upper quartile — a clear price-to-book gap.

AER

Capital Goods industry group

1.36

Max: 9.66
Q3: 5.00
Median: 3.12
Q1: 1.81
AER: 1.36
Min: -1.08

LII

Capital Goods industry group

8.88

Max: 9.66
LII: 8.88
Q3: 5.00
Median: 3.12
Q1: 1.81
Min: -1.08

AerCap (AER) vs. Lennox (LII): A comparison of their P/B ratio against the Capital Goods industry group benchmark.

Valuation Metrics

Valuation metrics for AerCap (AER) and Lennox (LII)
Metric	AER	LII
P/E Ratio (TTM)	8.67	15.47
P/S Ratio (TTM)	2.84	2.15
P/B Ratio (MRQ)	1.36	8.88
Free Cash Flow Yield (TTM)	-6.60%	3.14%