AAONNasdaqAir-Cond & Warm Air Heatg Equip & Comm & Indl Refrig EquipUS GAAP · USD

AAON, Inc

AAON, Inc. designs and manufactures semi-custom and custom HVAC and liquid cooling equipment used in commercial buildings, industrial facilities, hyperscale data centers, and controlled-environment cleanrooms. The company operates through three manufacturing-centric segments—AAON Oklahoma, AAON Coil Products, and BASX—each serving different product needs and end markets. Its model emphasizes “mass semi-customization,” using flexible, computer-aided manufacturing to deliver configurable equipment without fully bespoke economics. AAON also supports installed equipment through controls solutions and aftermarket parts sold via retail parts stores and online channels.

Revenue1,442m USD
Operating profit (EBIT)146m USD
−30.1 %y/y
EBIT margin10.1%
Net income108m USD
−36.2 %y/y

Fiscal year 2025 · change from previous year

Development 2020–2025

05001,0001,500m USD2020: EBIT 102 m USD20202021: EBIT 69 m USD20212022: EBIT 127 m USD20222023: EBIT 227 m USD20232024: EBIT 209 m USD20242025: 1,442 m USD2025: EBIT 146 m USD20251,442146
RevenueOperating profit (EBIT)

Business

Share of revenue
Commercial HVAC equipment (AAON Oklahoma)60 %

Semi-custom and custom HVAC systems such as rooftop units, air handlers, makeup air, ERVs, heat pumps, and packaged mechanical rooms.

Data center & liquid cooling solutions (BASX)25 %

Custom high-performance cooling and modular air handling solutions for hyperscale and high-density compute data centers.

Coils & coil-based HVAC subassemblies (AAON Coil Products)10 %

Heating and cooling coils and semi-custom/custom HVAC systems, supplying both internal segments and external demand.

Controls and aftermarket parts5 %

Controls solutions plus replacement parts sold through retail parts stores and online to support the installed base.

Products

Reported · share of revenue
62.0%38.0%FY2025100 %
  • AAON Products62.0 %
  • BASX Products38.0 %

Source: 10-K FY2025, revenue the company reports per product line (SEC XBRL). Shares are of the lines shown and add up to 100 %.

Customers

AAON sells primarily into non-residential HVAC channels and project-driven end markets, with demand tied to new construction, retrofits, and capacity expansions. A large portion of volume flows through an extensive network of independent representatives and channel partners that support specification, bidding, and service for commercial projects. BASX’s customer set is more concentrated and program-based, serving hyperscale data center operators and their ecosystem, where order timing can shift and cancellations/re-issuances occur. The company also serves cleanroom environments in biopharmaceutical, semiconductor, medical, and agricultural applications where filtration, humidity control, and reliability are critical. AAON discloses that a small number of customers can represent 10%+ of revenue in a given year, while the remainder is spread across thousands of transactions.

Commercial HVAC channel partners (independent reps/portfolio groups)

Buy semi-custom rooftop units, air handlers, makeup air and related systems to specify and deliver HVAC solutions for non-residential buildings; value configurability, lead times, and lifecycle performance.

Hyperscale data center customers and ecosystem

Buy BASX custom cooling and modular air handling solutions for high-density compute and AI workloads; prioritize reliability, scalability, and integration with facility designs.

Cleanroom and controlled-environment facilities

Buy ventilation/air handling solutions with advanced filtration, humidity/dehumidification, and controls for biopharmaceutical, semiconductor, medical, and agricultural environments.

Aftermarket parts and controls buyers

Purchase replacement parts and controls upgrades via retail locations and online to maintain uptime and extend the life of installed AAON equipment.

Strategy

AAON’s strategy centers on mass semi-customization—using flexible, computer-aided manufacturing to deliver configurable equipment that fits project requirements while retaining scale economics. The company is investing in capacity and capabilities to support growth in adjacent end markets, particularly data centers and cleanroom applications, while maintaining its commercial HVAC base. Operationally, management is modernizing systems and processes, including an ERP rollout at the Longview, Texas facility, to improve planning, execution, and scalability (despite near-term disruption). AAON also emphasizes engineering differentiation through its Tulsa-based innovation and testing infrastructure (NAIC) to validate performance under extreme conditions and support premium positioning. Capital expenditures remain a key lever to expand throughput and support new product and program requirements.

Stabilize ERP-driven operations at Longview (AAON Coil Products)Short term

Process changes disrupted coil output and impacted both coil and upstream HVAC production; normalization supports margins and delivery performance.

Invest in capacity and organizational build-out for growthMedium term

Higher capex and added headcount aim to support future demand in data centers, cleanrooms, and broader commercial HVAC.

Deepen presence in hyperscale data center cooling programsMedium term

Data center demand can be large and program-based, offering growth but requiring execution, customization, and schedule flexibility.

Geography

AAON’s manufacturing footprint is U.S.-based, with major operations in Tulsa, Oklahoma; Memphis, Tennessee; Parkville, Missouri; Longview, Texas; and Redmond, Oregon. The company sells across all 50 U.S. states and into certain Canadian provinces, reflecting a North America-focused go-to-market model. Reported foreign sales are relatively small versus total sales (e.g., $11.3 million in Q1 2025), implying limited direct exposure to international demand cycles but some cross-border logistics and compliance needs. The distributed plant network supports different product lines (coils, commercial HVAC, and BASX custom solutions) and influences cost absorption and segment margins when volumes shift. Geographic reach matters operationally because project demand (especially data centers) can be regionally clustered and can create uneven capacity utilization across plants.

Risks

AAON’s results are exposed to construction and capex cycles in commercial buildings and data centers; weaker macro conditions can reduce project starts and retrofit activity. Customer concentration is a recurring risk, as a small number of customers can represent 10%+ of revenue and accounts receivable, increasing sensitivity to program timing and credit dynamics. The BASX data center business carries higher backlog volatility, with timing shifts, cancellations, and re-issuances that can create production inefficiencies and margin variability. Operational execution risks include ERP and new facility ramp impacts that can disrupt throughput and overhead absorption, as seen in recent periods. Like other HVAC manufacturers, AAON is also exposed to raw material price volatility (e.g., copper, steel, aluminum), supply chain disruptions, and cybersecurity threats to manufacturing and business systems.

Sorted by severity
LowMediumHighLowMediumHighImpact →Likelihood →Customer concentration in revenue and accounts receivable1Cybersecurity threats to systems and operations3Public health pandemic disruption4
Impact is the risk’s severity and likelihood how probable it is over the next few years, both assessed from the company’s reports. Numbers match the list.
  1. Customer concentration in revenue and accounts receivableImpact: HighLikelihood: Medium

    A small number of customers have represented 10%+ of revenue and AR, making results sensitive to their purchasing patterns and credit exposure.

  2. Data center order timing shifts, cancellations, and re-issuancesImpact: High

    Management notes higher cancellation/timing risk in data center backlog versus historically firm commercial HVAC orders, which can disrupt production planning.

  3. Cybersecurity threats to systems and operationsImpact: MediumLikelihood: Low

    The company integrates cybersecurity into enterprise risk management and uses third parties for testing/forensics, indicating ongoing threat exposure.

  4. Public health pandemic disruptionImpact: MediumLikelihood: Low

    Pandemics can impair employees, suppliers, and partners, disrupting operations and supply chains and affecting raw material pricing.

Accounting

Judgemental items
Goodwill and indefinite-lived intangible asset impairment

Annual (and interim) impairment testing is sensitive to forecasts and market assumptions; impairments can be material and non-cash.

Impact: Can create step-changes in operating income via impairment charges

Share-based compensation valuation (options, PSUs, key employee awards)

Fair value depends on model-based assumptions (volatility, term, rates) and probability assessments for certain awards.

Impact: Affects SG&A and comparability across periods

Loss contingencies and legal proceedings

Accrual/disclosure depends on management judgment and legal developments.

Impact: Can introduce discrete charges and cash outflows

Publicly listed companies with a comparable business focus.

Last updated: 24/09/2026