AAON, INC. 10-Q Filing Summary
Business Context and Reporting Period
This report covers the quarterly period ended March 31, 2026. AAON, Inc. is a leading manufacturer of premium heating, ventilation, and air conditioning (HVAC) equipment, including rooftop units, data center cooling solutions, and cleanroom systems. The company operates through three reportable segments: AAON Oklahoma, AAON Coil Products, and BASX. The filing reflects a period of significant growth driven by demand for data center cooling solutions.
Key Financial Metrics
| Metric | Q1 2026 | Q1 2025 |
|---|---|---|
| Net Sales | $496.9 million | $322.1 million |
| Gross Profit | $125.0 million | $86.4 million |
| Gross Margin | 25.1% | 26.8% |
| Income from Operations | $57.1 million | $35.1 million |
| Operating Margin | 11.5% | 10.9% |
| Net Income | $39.8 million | $29.3 million |
| Diluted EPS | $0.48 | $0.35 |
| Operating Cash Flow | $34.0 million | ($9.2 million) |
| Capital Expenditures | ($45.1 million) | ($46.7 million) |
| Total Debt (Long-term) | $425.2 million | $398.3 million |
| Available Liquidity (Revolver) | $173.5 million | $201.0 million |
| Backlog | $2,129.5 million | $1,026.9 million |
Material Changes vs. Prior Period
- Revenue Growth: Net sales increased 54.3% year-over-year, primarily driven by a 104.5% surge in BASX segment sales due to hyperscale data center demand. AAON Oklahoma sales grew 50.7%.
- Profitability: Operating income rose 62.5% to $57.1 million. While gross margin percentage decreased slightly to 25.1% (from 26.8%), operating margin improved to 11.5% due to volume leverage and improved execution.
- Cash Flow: Operating cash flow turned positive at $34.0 million compared to a $9.2 million outflow in Q1 2025. This improvement was driven by better collections (accounts receivable decreased) and higher net income, partially offset by significant inventory build-up ($52.8 million outflow) and increased contract assets ($51.3 million outflow) to support data center orders.
- Debt & Liquidity: The company increased its revolving credit facility capacity to $600 million. Outstanding revolver borrowings increased to $425.2 million to fund working capital needs. The leverage ratio stands at 1.71x, well within the 3.0x covenant limit.
- Backlog: Total backlog increased 107.4% to $2.13 billion, with BASX backlog growing 160% to $1.62 billion.
Guidance, Outlook, and Risks
- Outlook: Management expects continued strength in the data center market driven by AI and high-performance computing. The company anticipates a stabilization in commercial/industrial new construction markets but notes mixed economic signals.
- Capital Expenditures: The 2026 capital expenditure program is estimated at approximately $190 million, focused on expanding capacity in Memphis, Tennessee, and maintaining Tulsa facilities.
- Tax Law Changes: The "One Big Beautiful Bill Act" (OBBBA) enacted in July 2025 impacted the effective tax rate. The estimated annual 2026 effective tax rate, excluding discrete events, is approximately 25.0%.
- Risks:
- Raw Material Volatility: Prices for copper (+7.1%) and aluminum (+18.8%) increased, while steel prices decreased. The company utilizes contracts to mitigate risk but may pass costs to customers.
- Tariffs: Ongoing tariff uncertainty and reciprocal trade restrictions could impact component costs and supply chain availability.
- Working Capital: Significant cash is tied up in inventory and contract assets due to the upfront funding requirements of large data center projects.
Investor Verification Checklist
- Backlog Conversion: Verify the rate at which the record $2.13 billion backlog converts to revenue, particularly the BASX portion, to ensure future growth sustainability.
- Working Capital Efficiency: Monitor the trend of contract assets and inventory levels relative to sales growth to assess cash flow strain from funding large data center projects.
- Margin Pressure: Track gross margin trends as raw material costs (specifically aluminum and copper) fluctuate and as the company scales production capacity.
- Debt Utilization: Observe the utilization of the $600 million revolver and the company's ability to reduce debt as backlog converts to cash.
- Tax Rate Stability: Confirm the impact of the OBBBA tax law changes on the effective tax rate remains consistent with the 25.0% estimate.