Which has the lower trailing P/E, AAON or AOS?

AOS has the lower trailing P/E: AAON trades at 46.33 and AOS at 16.41. P/E is one valuation measure and does not by itself establish which business is cheaper.

Which has grown faster, AAON or AOS?

Over the past five years, AAON grew revenue faster — AAON at a 30.47% CAGR versus AOS at 3.37%.

Does AAON or AOS pay a bigger dividend?

AAON yields 0.50% and AOS yields 2.51% based on trailing dividends and the latest price.

Is AAON or AOS more profitable?

AOS runs the higher net margin — AAON at 8.24% versus AOS at 13.15%.

How have AAON and AOS total returns compared?

Over the past 10 years, AAON delivered 16.83% and AOS delivered 4.10% annualized total return. Past performance doesn't predict future results.

AAON, Inc. (AAON) vs A. O. Smith Corporation (AOS)

A side-by-side comparison of AAON, Inc. and A. O. Smith Corporation across valuation, profitability, dividends, and growth — built entirely from reported fundamentals, as of September 13, 2026. Differences are shown without an overall score or investment verdict.

AAON

AAON, Inc.

$7.25B

$88.48IndustrialsDelayed quote: Sep 25, 2026, 12:30 PM EDT

AOS

A. O. Smith Corporation

$8.16B

$58.90IndustrialsDelayed quote: Sep 25, 2026, 12:30 PM EDT

Total return — AAON vs AOS

growth of $100 · dividends reinvested · last 10y

AAON +349.1% (+16.2%/yr)AOS +46.2% (+3.9%/yr)AAON compounded faster over this window

AAON AOS

AAON vs AOS: by the numbers

•AOS is the larger company ($8.16B vs $7.25B market cap).
•AOS trades at the lower trailing earnings multiple (16.41 vs 46.33 P/E), one valuation lens rather than an overall verdict.
•AOS converts more revenue to profit (13.15% vs 8.24% net margin).
•AAON grew revenue faster over the past five years (30.47% vs 3.37% CAGR).
•AOS pays the higher dividend yield (2.51% vs 0.50%).

Metrics side by side

Valuation

Metric	AAON	AOS
P/E ratio	46.33	16.41
Forward P/E	37.48	15.76
P/S ratio	3.75	2.15
P/B ratio	7.17	4.43
EV / EBITDA	24.12	11.37
FCF yield	N/A	7.83%

Profitability

Metric	AAON	AOS
Gross margin	25.57%	38.59%
Operating margin	11.05%	17.57%
Net margin	8.24%	13.15%
ROE	15.76%	27.16%
ROIC	11.51%	18.44%

Dividends

Metric	AAON	AOS
Dividend yield	0.50%	2.51%
Payout ratio	20.94%	40.11%

Growth (annualized)

Metric	AAON	AOS
Revenue CAGR (5Y)	30.47%	3.37%
EPS CAGR (5Y)	5.50%	12.52%
FCF CAGR (5Y)	-57.58%	4.38%
Total return CAGR (5Y)	13.53%	-2.11%

Frequently asked

Which has the lower trailing P/E, AAON or AOS?: AOS has the lower trailing P/E: AAON trades at 46.33 and AOS at 16.41. P/E is one valuation measure and does not by itself establish which business is cheaper.
Which has grown faster, AAON or AOS?: Over the past five years, AAON grew revenue faster — AAON at a 30.47% CAGR versus AOS at 3.37%.
Does AAON or AOS pay a bigger dividend?: AAON yields 0.50% and AOS yields 2.51% based on trailing dividends and the latest price.
Is AAON or AOS more profitable?: AOS runs the higher net margin — AAON at 8.24% versus AOS at 13.15%.
How have AAON and AOS total returns compared?: Over the past 10 years, AAON delivered 16.83% and AOS delivered 4.10% annualized total return. Past performance doesn't predict future results.

Go deeper

Full AAON analysis Full AOS analysis Interactive comparison tool

Dig into the metrics

AAON P/E ratio A. O. Smith P/E ratio AAON dividend yield A. O. Smith dividend yield AAON ROE A. O. Smith ROE AAON operating margin A. O. Smith operating margin AAON revenue growth A. O. Smith revenue growth AAON free cash flow A. O. Smith free cash flow

AAON & A. O. Smith appear in these rankings

Highest Dividend Yield Stocks 25+ Year Dividend Growers Fastest Revenue Growth Stocks Highest ROE Stocks

Figures are sourced from reported fundamentals and the latest end-of-day price. This comparison is informational only and is not investment advice. Past performance does not predict future results. See our methodology. Compiled by TGMCharts Research · data verified September 13, 2026.