Water heating and treatment solutions company A.O. Smith (NYSE: AOS) fell short of the market’s revenue expectations in Q1 CY2026, with sales falling 1.9% year on year to $945.6 million. On the other hand, the company’s outlook for the full year was close to analysts’ estimates with revenue guided to $3.95 billion at the midpoint. Its GAAP profit of $0.85 per share was 10.5% below analysts’ consensus estimates.
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A. O. Smith (AOS) Q1 CY2026 Highlights:
- Revenue: $945.6 million vs analyst estimates of $979.5 million (1.9% year-on-year decline, 3.5% miss)
- EPS (GAAP): $0.85 vs analyst expectations of $0.95 (10.5% miss)
- Adjusted EBITDA: $185.7 million vs analyst estimates of $204.9 million (19.6% margin, 9.4% miss)
- The company reconfirmed its revenue guidance for the full year of $3.95 billion at the midpoint
- EPS (GAAP) guidance for the full year is $3.75 at the midpoint, missing analyst estimates by 6%
- Operating Margin: 17.1%, down from 19% in the same quarter last year
- Free Cash Flow Margin: 12.6%, up from 1.8% in the same quarter last year
- Market Capitalization: $8.80 billion
Company Overview
Credited with the invention of the glass-lined water heater, A.O. Smith (NYSE: AOS) manufactures water heating and treatment products for various industries.
Revenue Growth
A company’s long-term performance is an indicator of its overall quality. Any business can have short-term success, but a top-tier one grows for years. Unfortunately, A. O. Smith’s 4.7% annualized revenue growth over the last five years was tepid. This was below our standard for the industrials sector and is a tough starting point for our analysis.
We at StockStory place the most emphasis on long-term growth, but within industrials, a half-decade historical view may miss cycles, industry trends, or a company capitalizing on catalysts such as a new contract win or a successful product line. A. O. Smith’s recent performance shows its demand has slowed as its revenue was flat over the last two years. 
This quarter, A. O. Smith missed Wall Street’s estimates and reported a rather uninspiring 1.9% year-on-year revenue decline, generating $945.6 million of revenue.
Looking ahead, sell-side analysts expect revenue to grow 4.9% over the next 12 months. While this projection suggests its newer products and services will catalyze better top-line performance, it is still below average for the sector.
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Operating Margin
A. O. Smith has been a well-oiled machine over the last five years. It demonstrated elite profitability for an industrials business, boasting an average operating margin of 18.3%. This result isn’t surprising as its high gross margin gives it a favorable starting point.
Analyzing the trend in its profitability, A. O. Smith’s operating margin rose by 1.2 percentage points over the last five years, as its sales growth gave it operating leverage.
In Q1, A. O. Smith generated an operating margin profit margin of 17.1%, down 1.9 percentage points year on year. Since A. O. Smith’s operating margin decreased more than its gross margin, we can assume it was less efficient because expenses such as marketing, R&D, and administrative overhead increased.
Earnings Per Share
We track the long-term change in earnings per share (EPS) for the same reason as long-term revenue growth. Compared to revenue, however, EPS highlights whether a company’s growth is profitable.
A. O. Smith’s EPS grew at 9.3% compounded annual growth rate over the last five years, higher than its 4.7% annualized revenue growth. This tells us the company became more profitable on a per-share basis as it expanded.
Diving into A. O. Smith’s quality of earnings can give us a better understanding of its performance. As we mentioned earlier, A. O. Smith’s operating margin declined this quarter but expanded by 1.2 percentage points over the last five years. Its share count also shrank by 14.5%, and these factors together are positive signs for shareholders because improving profitability and share buybacks turbocharge EPS growth relative to revenue growth. 
Like with revenue, we analyze EPS over a shorter period to see if we are missing a change in the business.
For A. O. Smith, its two-year annual EPS declines of 1.2% mark a reversal from its five-year trend. We hope A. O. Smith can return to earnings growth in the future.
In Q1, A. O. Smith reported EPS of $0.85, down from $0.95 in the same quarter last year. This print missed analysts’ estimates, but we care more about long-term EPS growth than short-term movements. Over the next 12 months, Wall Street expects A. O. Smith’s full-year EPS of $3.75 to grow 9.6%.
Key Takeaways from A. O. Smith’s Q1 Results
We struggled to find many positives in these results. Its full-year EPS guidance missed and its revenue fell short of Wall Street’s estimates. Overall, this quarter could have been better. The stock traded down 1.8% to $62.55 immediately after reporting.
A. O. Smith’s latest earnings report disappointed. One quarter doesn’t define a company’s quality, so let’s explore whether the stock is a buy at the current price. We think that the latest quarter is only one piece of the longer-term business quality puzzle. Quality, when combined with valuation, can help determine if the stock is a buy. We cover that in our actionable full research report which you can read here (it’s free).
