• Earlier in 2026, AAON, Inc. lifted its 2026 revenue growth outlook to 40%–45% after reporting record quarterly sales and a more than doubled, US$2.13 billion backlog, largely fueled by BASX-branded data center cooling demand.
• The surge in BASX orders, with very large year-over-year backlog growth and strong data center exposure, has quickly turned this niche segment into a core driver of AAON’s overall business mix and revenue visibility.
• Next, we’ll examine how AAON’s raised 2026 revenue outlook and expanding BASX-backed backlog could reshape its existing investment narrative.

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AAON Investment Narrative Recap

To own AAON, you have to believe its premium HVAC and rapidly growing BASX data center cooling businesses can translate a record US$2.13 billion backlog into profitable, dependable growth. In the near term, the raised 2026 revenue outlook makes execution on that data center backlog an even more important catalyst, while also magnifying the key risk that any stumble in production efficiency, ERP rollout, or BASX demand could quickly pressure margins and cash flow.

Among recent announcements, the sharp lift in 2026 guidance to 40% to 45% revenue growth stands out as most connected to the BASX surge. It ties record BASX orders and expanded capacity directly to near term expectations for higher sales and mid to high 20s gross margins, reinforcing the backlog as a central support for AAON’s story while also raising the stakes if data center orders or new facilities do not perform as planned.

Yet behind the strong backlog and guidance, AAON’s heavy dependence on a concentrated set of data center customers is a risk investors should be aware of...

AAON's narrative projects $1.9 billion revenue and $283.0 million earnings by 2028. This requires 15.3% yearly revenue growth and a $160.9 million earnings increase from $122.1 million today.

Uncover how AAON's forecasts yield a $122.75 fair value, a 10% downside to its current price.

Exploring Other Perspectives

Some of the lowest analysts were already cautious, assuming around US$2.3 billion of revenue and US$354.4 million of earnings by 2029, and worry that today’s record data center driven backlog could still mask customer concentration risks that look more serious in a slowdown.

Explore 3 other fair value estimates on AAON - why the stock might be worth as much as $122.75!

Reach Your Own Conclusion

Disagree with existing narratives? Extraordinary investment returns rarely come from following the herd, so go with your instincts.

• A great starting point for your AAON research is our analysis highlighting 1 key reward and 5 important warning signs that could impact your investment decision.
• Our free AAON research report provides a comprehensive fundamental analysis summarized in a single visual - the Snowflake - making it easy to evaluate AAON's overall financial health at a glance.

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This article by Simply Wall St is general in nature. We provide commentary based on historical data and analyst forecasts only using an unbiased methodology and our articles are not intended to be financial advice. It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your financial situation. We aim to bring you long-term focused analysis driven by fundamental data. Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material. Simply Wall St has no position in any stocks mentioned.