LII vs AOS Stock Comparison

Lennox International and Smith A O Prices as of Oct 26, 2026 Peers: Industry group
AOS Smith A O Corp
$61.92 +5.6% 1M -10.1% 1Y
Market cap
$8.51B
P/E
17.0x
Revenue (TTM)
$3.80B
Div. yield
0.02%
HVAC Industrials
6 wins

Head to Head

12 decided of 12

Lennox International leads on 6 of the 12 questions below (Lennox International 6, Smith A O 6). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionLIIAOSLeader
Larger companyMarket capitalisation $12.90B $8.51B LII
Cheaper on earningsLower P/E, profitable companies only 16.4x 17.0x LII
Cheaper on forward earningsLower price / next fiscal year consensus EPS 16.1x 17.2x LII
Faster revenue growthRevenue growth, trailing twelve months -2.1% +0.4% AOS
More profitableNet margin, trailing twelve months 14.9% 13.1% LII
Better return on capitalReturn on invested capital 29.8% 20.9% LII
Less leveragedLower net debt / EBITDA 1.3x 0.6x AOS
Higher dividend yieldTrailing dividend yield 0.01% 0.02% AOS
Better 1-year returnPrice return, last 12 months -26.3% -10.1% AOS
Better 5-year returnAnnualised price return, 5 years +4.3%/yr -0.7%/yr LII
Less volatileAnnualised volatility, 1 year 41.2% 27.4% AOS
Higher overall scoreMean of the five percentile scores vs peers 60/100 66/100 AOS

Percentile Scorecard

LIIAOS

Each axis is the mean percentile of its metrics against the company's industry group. 100 is the best in the group, 50 the middle.

Scores by Axis

AxisLIIAOS
Valuation 47 #30 of 56 67 #19 of 56
Growth 45 #29 of 52 39 #32 of 52
Profitability 96 #3 of 51 100 #1 of 51
Financial Health 40 #35 of 58 75 #15 of 58
Shareholder Returns 70 #13 of 41 48 #22 of 41
Overall 60 66
  • LII ranked among 60 companies in Construction Products
  • AOS ranked among 60 companies in Construction Products

Price Performance

Price return, split-adjusted, before dividends. Click a name to hide or show it.

Returns

PeriodLIIAOSSPY
1 month -2.2%+5.6% -0.8%
3 months -33.2%-0.9% +3.5%
6 months -27.2%-4.3% +7.0%
Year to date -24.7%-7.4% +12.2%
1 year -26.3%-10.1% +13.0%
3 years +1.9%-8.7% +86.3%
3 years, per year +0.6%-3.0% +23.1%
5 years +23.1%-3.6% +68.6%
5 years, per year +4.3%-0.7% +11.0%
10 years +151.1%+36.4% +258.0%
10 years, per year +9.6%+3.2% +13.6%

Risk

MeasureLIIAOSSPY
Volatility, 1Y 41.2%27.4% 12.7%
Downside volatility, 1Y 46.0%26.5% 12.7%
Beta vs S&P 500, 1Y 1.330.71 1.00
Return / volatility, 1Y -0.64-0.37 1.02
Max drawdown, 5Y -48.6%-43.4% -25.4%
From 52-week high -36.2%-23.1% -1.8%
52-week high $572.95$80.47 $779.14
52-week low $348.85$55.34 $631.97

Valuation History

Weekly multiples on trailing twelve-month fundamentals. Negative or extreme readings (a loss year, a collapsed denominator) are left out so the chart stays readable.

MultipleLIIAOS
P/E now vs peer median 16.1xmedian 19.4x 17.0xmedian 19.4x
P/S now vs peer median 2.4xmedian 1.5x 2.2xmedian 1.5x
EV/EBITDA now vs peer median 12.2xmedian 12.1x 11.7xmedian 12.1x
P/FCF now vs peer median 17.1xmedian 16.1x 13.2xmedian 16.1x
P/B now vs peer median 9.7xmedian 2.9x 4.6xmedian 2.9x
PEG now vs peer median 1.19median 0.93 0.65median 0.93

Financial History

Reported figures by fiscal period, placed on the calendar year (or quarter) each period ended in, so companies with different fiscal years line up.

Trailing twelve monthsLIIAOS
Revenue $5.30B $3.80B
Gross profit $1.77B $1.47B
Operating income $1.04B $668.70M
Net income $788.60M $500.30M
Free cash flow $738.70M $639.40M
EPS (diluted) $22.66 $3.63
Cash & equivalents $51.50M $181.30M
Total debt $1.58B $637.50M
Shares (diluted) 34.80M 137.86M
Enterprise value $12.71B $7.76B

All Metrics

58 metrics · best in bold

Bold marks the best reading: the lowest positive value for multiples, leverage and payout, the highest for everything else. The bar under each value is its percentile against that company's own peers. Hover a value for its rank and the peer median.

Valuation

12 metrics
MetricLIIAOS
P/E 16.1x 17.0x
P/FCF 17.1x 13.2x
P/Operating cash flow 14.1x 12.2x
P/S 2.4x 2.2x
P/B 9.7x 4.6x
P/Tangible book 12.3x 6.7x
EV/EBITDA 12.2x 11.7x
EV/EBIT 13.6x 13.3x
EV/Revenue 2.7x 2.3x
EV/FCF 19.2x 13.9x
EV/Operating cash flow 15.8x 12.8x
PEG (3Y EPS CAGR) 1.19 0.65

Growth

14 metrics
MetricLIIAOS
Revenue growth (1Y) -2.1% 0.4%
Revenue CAGR (3Y) 3.4% 0.6%
Gross profit growth (1Y) -2.2% 1.4%
Gross profit CAGR (3Y) 8.5% 1.3%
Operating income growth (1Y) -2.6% -5.2%
Operating income CAGR (3Y) 12.3% -2.5%
Net income growth (1Y) -6.6% -3.5%
Net income CAGR (3Y) 12.7% 22.3%
EPS growth (1Y) -4.7% -0.3%
EPS CAGR (3Y) 13.5% 26.2%
Operating cash flow growth (1Y) 7.1% 16.1%
Operating cash flow CAGR (3Y) 28.7% 5.0%
Free cash flow growth (1Y) 8.6% 29.3%
Free cash flow CAGR (3Y) 38.2% 6.2%

Profitability

14 metrics
MetricLIIAOS
Gross margin 33.3% 38.6%
EBITDA margin 22.0% 20.0%
Operating margin 19.7% 17.6%
Pretax margin 18.5% 17.0%
Net margin 14.9% 13.1%
FCF margin 13.9% 16.8%
Operating cash flow margin 16.9% 18.2%
Return on equity 62.8% 26.9%
Return on assets 17.8% 13.7%
Return on invested capital 29.8% 20.9%
Return on capital employed 35.0% 24.1%
Asset turnover 1.2x 1.0x
Cash conversion (OCF / net income) 1.1x 1.4x
Stock comp / revenue 0.5% 0.4%

Financial Health

11 metrics
MetricLIIAOS
Debt / assets 34.8% 17.5%
Debt / equity 1.2x 0.3x
Net debt / EBITDA 1.3x 0.6x
Debt / FCF 2.1x 1.0x
Liabilities / assets 71.5% 49.5%
Equity / assets 28.5% 50.5%
Interest coverage 18.5x 31.5x
Current ratio 1.6x 1.6x
Quick ratio 0.7x 1.0x
Cash ratio 0.0x 0.2x
Altman Z-score 6.07 6.19

Shareholder Returns

7 metrics
MetricLIIAOS
Dividend yield 1.5% 2.3%
Net buyback yield 2.6% 3.7%
Shareholder yield 4.1% 6.0%
Payout ratio (earnings) 23.1% 39.6%
Payout ratio (FCF) 24.6% 31.0%
Dividend growth (1Y) 11.1% 2.2%
Dividend CAGR (3Y) 6.5% 3.2%

Analyst Estimates

Solid lines are reported fiscal-year results; dashed lines are the consensus for the years ahead. Hover a year for the analysts' high and low, and how each result compared with its estimate.

ConsensusLIIAOS
Forward P/E 16.1xFY2026 17.2xFY2026
EPS, next fiscal year $22.65FY2026 $3.60FY2026
EPS growth, next FY -2.2%FY2026 -6.5%FY2026
EPS growth, the year after +7.9% +15.0%
Revenue, next fiscal year $5.75BFY2026 $3.73BFY2026
Revenue growth, next FY +10.5%FY2026 -2.6%FY2026
Revenue growth, the year after +7.7% +3.9%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersLIIAOS
Held by institutions 77.3% 91.9%
Institutions holding 655 614
Change in shares held, QoQ +1.8% +7.1%
Institutions buying 315 315
Institutions selling 236 226
Buyers to sellers 1.33 1.39

Return Correlation

Daily returns, last 12 months

1.00 means two stocks move in lockstep, 0 that they move independently. Pairs below about 0.5 diversify each other.

LIIAOS
LII 1.00 0.61
AOS 0.61 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, LII and AOS?

Lennox International (LII) is the largest by market capitalisation: Lennox International (LII) $12.90B, Smith A O (AOS) $8.51B.

Which stock is cheaper, LII and AOS?

Lennox International (LII) trades on the lowest price-to-earnings ratio (Lennox International (LII) 16.4x, Smith A O (AOS) 17.0x). On next year's consensus earnings, Lennox International (LII) is cheapest (Lennox International (LII) 16.1x, Smith A O (AOS) 17.2x). A lower multiple can reflect slower expected growth, so read it next to the growth figures.

Which company is growing faster?

Smith A O (AOS) grew revenue fastest over the trailing twelve months: Lennox International (LII) -2.1%, Smith A O (AOS) +0.4%.

Which company is more profitable?

Lennox International (LII) has the highest net margin (Lennox International (LII) 14.9%, Smith A O (AOS) 13.1%). On return on invested capital, Lennox International (LII) leads (Lennox International (LII) 29.8%, Smith A O (AOS) 20.9%).

Which stock has performed better?

Over the past year Smith A O (AOS) returned the most: Lennox International (LII) -26.3%, Smith A O (AOS) -10.1%. Over five years, Lennox International (LII) compounded fastest (Lennox International (LII) +4.3%/yr, Smith A O (AOS) -0.7%/yr). Returns are price only, before dividends.

Which pays a higher dividend?

Smith A O (AOS) has the highest dividend yield: Lennox International (LII) 0.01%, Smith A O (AOS) 0.02%.

Which stock is riskier?

By one-year price volatility, Smith A O (AOS) has been the steadiest (Lennox International (LII) 41.2%, Smith A O (AOS) 27.4%). Volatility measures how widely the price swings, not the risk of the business.

Do LII and AOS move together?

Their daily returns over the past year have a correlation of 0.61, a moderate positive relationship. Holding both diversifies more than two closely linked stocks would.

Which is the better stock, LII and AOS?

There is no single answer; it depends on what you are buying for. On the 12 head-to-head measures on this page, Lennox International (LII) leads on 6. Business Quant does not give investment advice; use the comparison as a starting point for your own research.

Data from SEC filings, exchange prices and consensus estimates, via Business Quant. Percentile scores compare each company with its own peer group, so two companies' scores are each relative to different peers unless you rank against the whole market. Price returns exclude dividends. Nothing on this page is investment advice.