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Side-by-side financial comparison of Air Products (APD) and WATTS WATER TECHNOLOGIES INC (WTS). Click either name above to swap in a different company.

Air Products is the larger business by last-quarter revenue ($3.1B vs $625.1M, roughly 5.0× WATTS WATER TECHNOLOGIES INC). Air Products runs the higher net margin — 21.9% vs 13.4%, a 8.5% gap on every dollar of revenue. On growth, WATTS WATER TECHNOLOGIES INC posted the faster year-over-year revenue change (15.7% vs 5.8%). WATTS WATER TECHNOLOGIES INC produced more free cash flow last quarter ($140.3M vs $-350.5M). Over the past eight quarters, WATTS WATER TECHNOLOGIES INC's revenue compounded faster (4.6% CAGR vs 2.9%).

Air Products and Chemicals, Inc. provides atmospheric gases, process and specialty gases, equipment, and services worldwide. The company produces atmospheric gases, including oxygen, nitrogen, and argon; process gases, such as hydrogen, helium, carbon dioxide, carbon monoxide, syngas; specialty gases; and equipment for the production or processing of gases comprising air separation units and non-cryogenic generators for customers in various industries, including refining, chemical, gasificati...

AERCO International, Inc. is a manufacturer and supplier of commercial condensing boilers, high efficiency water heating equipment and energy recovery systems in the HVAC/plumbing industry across a variety of markets including education, lodging, government, office buildings, healthcare, industrial and multifamily housing. In 1949, AERCO introduced the industry's first semi-instantaneous, tankless steam-to-water water heater. In 1988, AERCO introduced the first condensing and fully modulating...

APD vs WTS — Head-to-Head

Bigger by revenue
APD
APD
5.0× larger
APD
$3.1B
$625.1M
WTS
Growing faster (revenue YoY)
WTS
WTS
+9.8% gap
WTS
15.7%
5.8%
APD
Higher net margin
APD
APD
8.5% more per $
APD
21.9%
13.4%
WTS
More free cash flow
WTS
WTS
$490.8M more FCF
WTS
$140.3M
$-350.5M
APD
Faster 2-yr revenue CAGR
WTS
WTS
Annualised
WTS
4.6%
2.9%
APD

Income Statement — Q1 2026 vs Q4 2025

Metric
APD
APD
WTS
WTS
Revenue
$3.1B
$625.1M
Net Profit
$678.2M
$83.7M
Gross Margin
32.1%
49.5%
Operating Margin
23.7%
18.2%
Net Margin
21.9%
13.4%
Revenue YoY
5.8%
15.7%
Net Profit YoY
9.8%
24.0%
EPS (diluted)
$3.04
$2.50

Green = leading value per metric. Periods may differ when fiscal calendars don't align.

8-Quarter Revenue & Profit Trend

Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.

Revenue
APD
APD
WTS
WTS
Q4 25
$3.1B
$625.1M
Q3 25
$3.2B
$611.7M
Q2 25
$3.0B
$643.7M
Q1 25
$2.9B
$558.0M
Q4 24
$2.9B
$540.4M
Q3 24
$3.2B
$543.6M
Q2 24
$3.0B
$597.3M
Q1 24
$2.9B
$570.9M
Net Profit
APD
APD
WTS
WTS
Q4 25
$678.2M
$83.7M
Q3 25
$4.9M
$82.2M
Q2 25
$713.8M
$100.9M
Q1 25
$-1.7B
$74.0M
Q4 24
$617.4M
$67.5M
Q3 24
$1.9B
$69.1M
Q2 24
$696.6M
$82.0M
Q1 24
$572.4M
$72.6M
Gross Margin
APD
APD
WTS
WTS
Q4 25
32.1%
49.5%
Q3 25
32.3%
48.8%
Q2 25
32.5%
50.6%
Q1 25
29.6%
48.8%
Q4 24
31.2%
46.7%
Q3 24
34.0%
47.3%
Q2 24
32.8%
47.7%
Q1 24
32.0%
46.9%
Operating Margin
APD
APD
WTS
WTS
Q4 25
23.7%
18.2%
Q3 25
0.5%
18.2%
Q2 25
26.2%
21.0%
Q1 25
-79.8%
15.7%
Q4 24
22.0%
16.5%
Q3 24
76.1%
17.1%
Q2 24
24.7%
18.7%
Q1 24
21.7%
16.9%
Net Margin
APD
APD
WTS
WTS
Q4 25
21.9%
13.4%
Q3 25
0.2%
13.4%
Q2 25
23.6%
15.7%
Q1 25
-59.3%
13.3%
Q4 24
21.1%
12.5%
Q3 24
61.2%
12.7%
Q2 24
23.3%
13.7%
Q1 24
19.5%
12.7%
EPS (diluted)
APD
APD
WTS
WTS
Q4 25
$3.04
$2.50
Q3 25
$0.03
$2.45
Q2 25
$3.20
$3.01
Q1 25
$-7.77
$2.21
Q4 24
$2.77
$2.02
Q3 24
$8.75
$2.06
Q2 24
$3.13
$2.44
Q1 24
$2.57
$2.17

Balance Sheet & Financial Strength

Snapshot of each company's liquidity, leverage and book value from the latest quarter.

Metric
APD
APD
WTS
WTS
Cash + ST InvestmentsLiquidity on hand
$1.0B
$405.5M
Total DebtLower is stronger
Stockholders' EquityBook value
$15.4B
$2.0B
Total Assets
$41.2B
$2.9B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
APD
APD
WTS
WTS
Q4 25
$1.0B
$405.5M
Q3 25
$1.9B
$457.7M
Q2 25
$2.3B
$369.3M
Q1 25
$1.6B
$336.8M
Q4 24
$2.0B
$386.9M
Q3 24
$3.0B
$303.9M
Q2 24
$2.4B
$279.4M
Q1 24
$2.6B
$237.1M
Stockholders' Equity
APD
APD
WTS
WTS
Q4 25
$15.4B
$2.0B
Q3 25
$15.0B
$2.0B
Q2 25
$15.5B
$1.9B
Q1 25
$14.7B
$1.8B
Q4 24
$16.7B
$1.7B
Q3 24
$17.0B
$1.7B
Q2 24
$15.1B
$1.6B
Q1 24
$14.9B
$1.6B
Total Assets
APD
APD
WTS
WTS
Q4 25
$41.2B
$2.9B
Q3 25
$41.1B
$2.7B
Q2 25
$41.7B
$2.6B
Q1 25
$38.9B
$2.5B
Q4 24
$40.0B
$2.4B
Q3 24
$39.6B
$2.4B
Q2 24
$37.0B
$2.4B
Q1 24
$35.9B
$2.3B

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
APD
APD
WTS
WTS
Operating Cash FlowLast quarter
$900.7M
$154.7M
Free Cash FlowOCF − Capex
$-350.5M
$140.3M
FCF MarginFCF / Revenue
-11.3%
22.4%
Capex IntensityCapex / Revenue
40.3%
2.3%
Cash ConversionOCF / Net Profit
1.33×
1.85×
TTM Free Cash FlowTrailing 4 quarters
$356.3M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
APD
APD
WTS
WTS
Q4 25
$900.7M
$154.7M
Q3 25
$122.4M
Q2 25
$855.8M
$69.7M
Q1 25
$328.1M
$55.2M
Q4 24
$811.7M
$139.5M
Q3 24
$90.7M
Q2 24
$1.3B
$85.3M
Q1 24
$801.7M
$45.6M
Free Cash Flow
APD
APD
WTS
WTS
Q4 25
$-350.5M
$140.3M
Q3 25
$110.9M
Q2 25
$-640.0M
$59.5M
Q1 25
$-1.6B
$45.6M
Q4 24
$-1.3B
$127.5M
Q3 24
$84.3M
Q2 24
$-345.2M
$78.5M
Q1 24
$-867.7M
$35.5M
FCF Margin
APD
APD
WTS
WTS
Q4 25
-11.3%
22.4%
Q3 25
18.1%
Q2 25
-21.2%
9.2%
Q1 25
-53.6%
8.2%
Q4 24
-44.5%
23.6%
Q3 24
15.5%
Q2 24
-11.6%
13.1%
Q1 24
-29.6%
6.2%
Capex Intensity
APD
APD
WTS
WTS
Q4 25
40.3%
2.3%
Q3 25
47.9%
1.9%
Q2 25
49.5%
1.6%
Q1 25
64.9%
1.7%
Q4 24
72.2%
2.2%
Q3 24
65.1%
1.2%
Q2 24
53.8%
1.1%
Q1 24
57.0%
1.8%
Cash Conversion
APD
APD
WTS
WTS
Q4 25
1.33×
1.85×
Q3 25
1.49×
Q2 25
1.20×
0.69×
Q1 25
0.75×
Q4 24
1.31×
2.07×
Q3 24
1.31×
Q2 24
1.81×
1.04×
Q1 24
1.40×
0.63×

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

Revenue Breakdown by Segment

APD
APD

Other$1.6B53%
Onsite$783.9M25%
Merchant$557.8M18%
Saleof Equipment$117.0M4%

WTS
WTS

Segment breakdown not available.

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