AAON, INC. 10-Q Summary: Quarter Ended June 30, 2025
Business Context and Reporting Period
This report covers the quarterly period ended June 30, 2025. 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 (standard and custom HVAC), AAON Coil Products (coils and components), and BASX (data center and cleanroom solutions).
Key Financial Metrics
| Metric (in thousands) | Q2 2025 | Q2 2024 | YTD 2025 | YTD 2024 |
|---|---|---|---|---|
| Net Sales | $311,567 | $313,566 | $633,621 | $575,665 |
| Gross Profit | $82,729 | $113,094 | $169,093 | $205,336 |
| Gross Margin | 26.6% | 36.1% | 26.7% | 35.7% |
| Operating Income | $23,582 | $67,199 | $58,693 | $114,169 |
| Net Income | $15,487 | $52,228 | $44,779 | $91,244 |
| Diluted EPS | $0.19 | $0.62 | $0.54 | $1.09 |
| Operating Cash Flow (YTD) | ($31,040) | $127,912 | — | — |
| Capital Expenditures (YTD) | ($82,515) | ($65,381) | — | — |
| Total Debt Outstanding | $317,277 | $94,424 | — | — |
| Available Liquidity (Revolver) | $182,069 | $123,233 | — | — |
Note: Debt figures reflect the consolidation of the Term Loan into the Revolver in May 2025. Operating cash flow for YTD 2025 was negative due to significant working capital increases.
Material Changes vs. Prior Period
- Revenue Mix Shift: While total Q2 net sales were flat (-0.6%), the composition shifted significantly. BASX sales grew 20.4% QoQ and 59.4% YTD, driven by hyperscale data center demand. Conversely, AAON Oklahoma sales declined 18.0% QoQ and 20.4% YTD due to a softer rooftop market and supply chain constraints.
- Margin Compression: Gross margin declined from 36.1% in Q2 2024 to 26.6% in Q2 2025. This was driven by lower volume absorption of overhead in the AAON Oklahoma segment, costs associated with a new Memphis facility, and disruptions from an ERP implementation at the Longview, Texas facility.
- Working Capital Surge: Operating cash flow turned negative ($31.0M outflow YTD) compared to a $127.9M inflow in the prior year. This was primarily due to a $98.0M increase in contract assets and a $47.8M increase in inventories, reflecting strategic stockpiling and upfront funding for large BASX data center projects.
- Debt Restructuring: In May 2025, the company amended its credit facility, rolling the remaining Term Loan balance (~$72M) into the Revolver and increasing total capacity to $500M. Outstanding revolver borrowings increased to $317.3M to fund working capital needs.
Guidance, Outlook, and Risks
- Backlog: Total backlog reached $995.3 million as of June 30, 2025, a 53.1% increase year-over-year. BASX backlog grew 27.0%, while AAON Products backlog grew significantly, indicating strong future revenue visibility.
- Capital Expenditures: The company estimates 2025 capital expenditures to be approximately $220.0 million, up from $180M in 2024, to support expansion in Redmond, Longview, Parkville, and Memphis.
- Tax Legislation: The "One Big Beautiful Bill Act" (OBBBA), signed July 4, 2025, reinstates 100% bonus depreciation and repeals mandatory R&D capitalization. Management expects this to increase the income tax receivable and decrease deferred tax assets by approximately $14.7 million in the third quarter.
- Risks:
- Macroeconomic/Tariffs: New U.S. tariffs enacted in January 2025 and reciprocal foreign tariffs may increase material costs and disrupt supply chains.
- ERP Implementation: Ongoing disruptions from the new ERP system at the Longview facility continue to impact production efficiency and margins.
- Labor Market: Tight labor markets necessitate wage increases (4.0% awarded in March 2025) to retain skilled production staff.
Investor Verification Checklist
- Working Capital Recovery: Verify the timeline for converting the $98M increase in contract assets into cash collections, given the negative operating cash flow.
- ERP Stabilization: Monitor Q3 results for evidence that production disruptions at the Longview facility have resolved and margins are stabilizing.
- Debt Utilization: Track the utilization of the $500M revolver; current utilization is high (~63%) to fund inventory and backlog execution.
- Tax Impact: Confirm the Q3 2025 financial statement adjustments related to the OBBBA tax legislation.
- Segment Performance: Assess whether the decline in AAON Oklahoma sales is a temporary cyclical dip or a structural shift in the commercial construction market.