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For informational purposes only. Not investment advice.

AAON Inc.

AAON

FAVORABLE

May 27, 2026

Research Conclusion

At $132.28 per share, AAON Inc. is a cautiously bullish, price-sensitive thesis for patient investors with a 3–5 year horizon. The company is in the deepest capital cycle trough in its history — earnings compressed, free cash flow deeply negative, and a new CEO installed just one year ago. But the strategic premise is fundamentally sound: AAON's BASX segment is converting hyperscale AI data center spending into a $1.32B backlog, and the Oklahoma commercial HVAC core is recovering from a regulatory headwind that is now largely behind it. The base case implies ~$100–130 intrinsic value per share on FY2028–FY2029 normalized earnings, suggesting the stock is approximately fairly valued with limited upside unless BASX delivers its full bull scenario. The optimal risk/reward entry is at $85–100 (on any execution stumble or macro-driven multiple compression), not at current price. The thesis is intact, the stock is not cheap.

Company Overview & Moat Assessment

AAON, Inc. (NASDAQ: AAON) is a Tulsa, Oklahoma-based manufacturer of semi-custom and custom HVAC equipment for commercial buildings and, since its ~2023 acquisition of BASX Solutions, a fast-growing supplier of liquid cooling infrastructure to hyperscale AI data centers. The company operates three segments: AAON Oklahoma (commercial rooftop units, ~$820M FY2025 rev, mature), AAON Coil Products (coils and thermal components, vertically integrated), and BASX (data center custom cooling, ~$460M FY2025 rev est., growing ~90% YoY in Q3 2025). AAON's direct-to-market model, domestic manufacturing footprint, and proprietary coil manufacturing provide a narrow structural moat in HVAC; BASX is an early-stage competitive position in a structurally large and growing market. Revenue was $1.44B in FY2025 (+20%), but earnings and FCF are at cycle trough due to $190–196M/year peak capex. Backlog is at a record $1.32B.

▲ Bull Case

  • ◆BASX multi-year franchise: Hyperscale AI data center capex cycle sustains through 2027–2028+, BASX wins 3–4 large customer relationships beyond current dominant customer, and revenue reaches $1.5B+ by FY2029 with gross margin recovery to 34–35%. FY2029E EPS of $7+. At 30x multiple = $210/share (+60% from current).
  • ◆Manufacturing operating leverage triggers earlier than modeled: BASX Longview TX crosses 70%+ utilization in Q3 2026, fixed-cost absorption delivers 300–500bp gross margin step-up, FY2026 EPS surprises above $2.50. Multiple expansion on beat plus recovery narrative drives stock toward $160–180.
  • ◆Oklahoma re-acceleration underpriced: A2L transition completes cleanly, nonresidential construction re-accelerates with further rate normalization, and AAON Oklahoma returns to 6–8% growth through 2026–2027. Adds $50–80M revenue at 31–34% gross margin—material EPS contribution currently not priced into consensus.

▼ Bear Case

  • ◆BASX margin recovery structurally impaired: Competitive pricing pressure from Vertiv/Modine keeps BASX gross margins at 15–18% through 2028. Consolidated gross margin capped at 27–28%, EPS recovery stalls at $1.50–2.00. Stock de-rates from growth multiple (40–50x EV/EBITDA) to industrial multiple (15–20x). Downside: $35–55/share.
  • ◆Data center capex cycle pauses in 2026–2027: Hyperscaler AI capex decelerates due to LLM commoditization, budget reallocation, or macroeconomic recession. BASX order intake falls, backlog shrinks below $800M. The $2B BASX investment bet is revealed as prematurely stranded. EPS remains depressed, ROIC below WACC for years. Downside: $30–50/share.
  • ◆CEO transition and customer concentration crystallize simultaneously: Matt Tobolski faces strategic pivot decision in Year 1 under demand slowdown scenario. If BASX's dominant hyperscaler customer internalizes cooling design, BASX loses 40–50%+ of revenue. With no established management track record, investor confidence in recovery narrative collapses. Multiple compresses to 15x on trough earnings. Downside: $20–35/share.
Primary Debate on Wall Street

“The central question the market is actively debating: Is BASX's gross margin compression temporary and operational, or structural and competitive? Bull reading: BASX margins are low because the Longview TX and Memphis TN facilities are ~40–50% utilized. Once volume fills capacity—which the $1.32B backlog should drive through 2026—manufacturing operating leverage kicks in at 50–60% fixed/variable split. The hockey stick is coming; the market is paying for FY2028 earnings, not FY2025. Bear reading: BASX competes against Vertiv ($35B market cap, dominant in data center thermal) and Modine (growing rapidly) on custom contracts priced competitively. Even at full utilization, BASX's margins may settle at 18–22% rather than 28–32%—structurally lower than AAON Oklahoma because of the hyperscaler buyer power dynamic (large, sophisticated buyers extract concessions). If true, the recovery narrative is overpriced at $132. Resolution: The Q2–Q3 2026 gross margin reports are the deciding data points. If FY2026 full-year consolidated gross margin exceeds 30%, the bull case is valid. If it comes in at 27–28.5% again, the structural bear case gets traction.”

Top Catalysts
  • ◆Q2 2026 earnings (Aug/Sep 2026): First clean quarter with BASX Longview at full ramp. Gross margin above 29.5% = strong bull signal; below 27.5% = bear signal.
  • ◆FCF turn positive: Q2/Q3 2026 quarterly FCF turns positive with AR collection confirmed, validating investment cycle hypothesis and enabling reinvestment thesis.
  • ◆New BASX customer announcement: 8-K or press release disclosing new hyperscale relationship beyond dominant customer. Reduces concentration risk, re-rates growth multiple upward.
Top Risks
  • ◆BASX margin recovery slower than guided (stays <28% in FY2026)—Medium-High probability, High impact
  • ◆Data center hyperscale capex cycle softens 2026–2027—Medium probability, Very High impact
  • ◆Customer concentration: dominant BASX customer reduces orders or internalizes cooling design—Medium probability, High impact
  • ◆CEO transition execution risk (Tobolski Year 1–2) with no track record—Low-Medium probability, Medium-High impact
  • ◆Oklahoma construction cycle remains weak despite A2L tailwind—Medium probability, Medium impact
  • ◆Capex overrun from additional greenfield announcement—Low-Medium probability, Medium impact

Full Memo Continues

5 more sections, locked

  • ●
    Valuation Range & DCF
    Base/bull/bear fair-value range, WACC, terminal growth, sensitivity to revenue + margin assumptions.
  • ●
    Risk/Reward Assessment
    Position-sizing framework with explicit upside/downside skew and entry conditions.
  • ●
    Management & Capital Allocation
    Multi-year capital-allocation track record, incentive alignment, and management readout.
  • ●
    Monitoring Framework
    What to watch each quarter — leading indicators and inflection signals tracked by the analyst.
  • ●
    Unresolved Questions
    Open analyst questions and follow-up research items — the depth signal.

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Margin of Insight

For informational purposes only. Not investment advice.