Is AOS or PNR cheaper?

On trailing earnings, PNR is cheaper: AOS trades at a 15.66 P/E and PNR at 15.23.

Which has grown faster, AOS or PNR?

Over the past five years, PNR grew revenue faster — AOS at a 4.72% CAGR versus PNR at 5.78%.

Does AOS or PNR pay a bigger dividend?

AOS yields 2.41% and PNR yields 1.67% based on trailing dividends and the latest price.

Is AOS or PNR more profitable?

PNR runs the higher net margin — AOS at 13.84% versus PNR at 15.97%.

Which has been the better investment, AOS or PNR?

Over the past 10-year, PNR delivered the higher annualized total return — AOS at 4.39% versus PNR at 5.63%. Past performance doesn't predict future results.

A. O. Smith Corporation (AOS) vs Pentair plc (PNR)

PNR leads on 9 of 17 compared metrics.

A side-by-side comparison of A. O. Smith Corporation and Pentair plc across valuation, profitability, dividends, and growth — built entirely from reported fundamentals, as of July 20, 2026. The ● marks the stronger figure on each row (cheaper multiple, higher margin/return).

AOS

A. O. Smith Corporation

$8.23B

$58.88IndustrialsDelayed quote: Jul 20, 2026, 4:00 PM EDT

PNR

Pentair plc

$10.04B

$62.12IndustrialsDelayed quote: Jul 20, 2026, 4:00 PM EDT

Total return — AOS vs PNR

growth of $100 · dividends reinvested · last 30y

AOS +3915.3%PNR +1075.8%AOS compounded faster

AOS PNR

AOS vs PNR: by the numbers

•PNR is the larger company ($10.04B vs $8.23B market cap).
•PNR trades at the lower earnings multiple (15.23 vs 15.66 P/E).
•PNR converts more revenue to profit (15.97% vs 13.84% net margin).
•PNR grew revenue faster over the past five years (5.78% vs 4.72% CAGR).
•AOS pays the higher dividend yield (2.41% vs 1.67%).

Which is better, AOS or PNR?

Metric tally: AOS 8 · PNR 9

It depends on what you're optimizing for:

ValuePNR(lower P/E)

GrowthPNR(faster 5Y revenue CAGR)

IncomeAOS(higher dividend yield)

QualityAOS(higher ROIC)

Metrics side by side

Valuation

Metric	AOS	PNR
P/E ratio	15.66	15.23●
Forward P/E	15.65	12.67●
P/S ratio	2.15●	2.42
P/B ratio	4.36	2.67●
PEG ratio	3.01●	4.70
EV / EBITDA	10.90●	12.25
FCF yield	7.90%●	7.04%

Profitability

Metric	AOS	PNR
Gross margin	38.77%	40.94%●
Operating margin	18.55%	20.57%●
Net margin	13.84%	15.97%●
ROE	28.10%●	17.62%
ROIC	23.94%●	12.46%

Dividends

Metric	AOS	PNR
Dividend yield	2.41%●	1.67%
Payout ratio	36.79%	26.07%

Growth (annualized)

Metric	AOS	PNR
Revenue CAGR (5Y)	4.72%	5.78%●
EPS CAGR (5Y)	12.52%	13.17%●
FCF CAGR (5Y)	3.27%●	1.63%
Total return CAGR (5Y)	-1.68%	-0.95%●

Frequently asked

Which is better, AOS or PNR?: It depends on your goal. value: PNR (lower P/E); growth: PNR (faster 5Y revenue CAGR); income: AOS (higher dividend yield); quality: AOS (higher ROIC). Across all compared metrics, PNR leads 9 to 8.
Is AOS or PNR cheaper?: On trailing earnings, PNR is cheaper: AOS trades at a 15.66 P/E and PNR at 15.23.
Which has grown faster, AOS or PNR?: Over the past five years, PNR grew revenue faster — AOS at a 4.72% CAGR versus PNR at 5.78%.
Does AOS or PNR pay a bigger dividend?: AOS yields 2.41% and PNR yields 1.67% based on trailing dividends and the latest price.
Is AOS or PNR more profitable?: PNR runs the higher net margin — AOS at 13.84% versus PNR at 15.97%.
Which has been the better investment, AOS or PNR?: Over the past 10-year, PNR delivered the higher annualized total return — AOS at 4.39% versus PNR at 5.63%. Past performance doesn't predict future results.

Go deeper

Full AOS analysis Full PNR analysis Interactive comparison tool

Dig into the metrics

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

A. O. Smith & Pentair appear in these rankings

Highest Dividend Yield Stocks Dividend Aristocrats Highest ROE Stocks Highest ROIC 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 July 20, 2026.