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Side-by-side financial comparison of A. O. Smith (AOS) and Fusion Fuel Green PLC (HTOO). Click either name above to swap in a different company.

A. O. Smith Corporation is an American manufacturer of both residential and commercial water heaters and boilers, and the largest manufacturer and marketer of water heaters in North America. It also supplies water treatment and purification products in the Asian market. The company has 27 locations worldwide, including five manufacturing facilities in North America, as well as plants in Bengaluru in India, Nanjing in China and Veldhoven in The Netherlands.

Pulsar Fusion is a UK-based start-up that has demonstrated two designs of prototype rocket engine. It is headquartered in Bletchley, United Kingdom.

8-Quarter Revenue & Profit Trend

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

Revenue
AOS
AOS
HTOO
HTOO
Q4 25
$912.5M
Q3 25
$942.5M
Q2 25
$1.0B
Q1 25
$963.9M
Q4 24
$912.4M
Q3 24
$902.6M
Q2 24
$1.0B
Q1 24
$978.8M
Net Profit
AOS
AOS
HTOO
HTOO
Q4 25
$125.4M
Q3 25
$132.0M
Q2 25
$152.2M
Q1 25
$136.6M
Q4 24
$109.7M
Q3 24
$120.1M
Q2 24
$156.2M
Q1 24
$147.6M
Gross Margin
AOS
AOS
HTOO
HTOO
Q4 25
38.4%
Q3 25
38.7%
Q2 25
39.3%
Q1 25
38.9%
Q4 24
37.1%
Q3 24
37.4%
Q2 24
38.7%
Q1 24
39.3%
Operating Margin
AOS
AOS
HTOO
HTOO
Q4 25
17.9%
Q3 25
18.6%
Q2 25
20.4%
Q1 25
19.1%
Q4 24
10.1%
Q3 24
19.5%
Q2 24
21.9%
Q1 24
22.0%
Net Margin
AOS
AOS
HTOO
HTOO
Q4 25
13.7%
Q3 25
14.0%
Q2 25
15.0%
Q1 25
14.2%
Q4 24
12.0%
Q3 24
13.3%
Q2 24
15.2%
Q1 24
15.1%
EPS (diluted)
AOS
AOS
HTOO
HTOO
Q4 25
$0.89
Q3 25
$0.94
Q2 25
$1.07
Q1 25
$0.95
Q4 24
$0.75
Q3 24
$0.82
Q2 24
$1.06
Q1 24
$1.00

Financial Flow Comparison

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

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