Record Basics branded sales growth of 143% was driven by the rapid expansion of the AI data center market and the company's ability to deliver custom liquid cooling solutions.

AAON branded sales outperformed a 16% industry volume decline by falling only 8%, while branded bookings grew 12% driven by an 86% increase in national accounts seeking total cost of ownership advantages.

The 25% expansion of manufacturing footprint over the last 18 months provides the structural foundation to convert a record $1.3 billion Basics backlog into revenue.

Fourth quarter margin compression was primarily attributed to lower production volumes in Tulsa caused by seasonal trends and temporary supply chain constraints.

The Memphis facility achieved its first profitable quarter, signaling a transition from a startup headwind to a future driver of operating leverage.

Strategic prioritization of cold climate heat pumps allowed AAON to become the first to commercialize units up to 40 tons capable of operating at negative 20 degrees Fahrenheit.

Management implemented a revised ERP rollout strategy that prioritizes operational stability and throughput over immediate system implementation to protect customer delivery timelines.

Full-year 2026 sales growth of 18% to 20% assumes a flattish commercial HVAC market, with outperformance driven by market share gains in heat pumps and data centers.

Gross margin guidance of 29% to 31% reflects expected improvements in manufacturing velocity and the abatement of 2025's supply chain and refrigerant transition noise.

Management expects 2026 margin progression to be uneven across quarters as production capacity ramps and the product mix normalizes across different facilities.

Operating cash flow is projected to improve significantly in 2026 through higher earnings, improved working capital efficiency, and the conversion of contract assets.

The company plans $190 million in capital expenditures for 2026, focusing on unlocking additional capacity within existing footprints beyond the previously stated $1.5 billion target.

The decision to delay ERP go-lives in Redmond (2026) and Tulsa (2027) was a deliberate choice to minimize complexity during a period of record production demand.

A five-day year-end closure at the Longview facility for wall-to-wall inventory temporarily offset margin gains from high-throughput liquid cooling sales.

Debt levels are expected to remain elevated through most of 2026 to support the working capital requirements of the expanding backlog.

Supply chain reliability is identified as a critical dependency for achieving 2026 production targets, following disruptions that pressured 2025 throughput.

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The miss was largely due to Tulsa volume constraints; however, production in January and February has already accelerated toward record levels.

Management expects Tulsa to drive margin improvement in Q1 2026, though this will be partially offset by a shifting product mix at the Longview site.

The 2026 revenue guide assumes roughly 25% growth for Basics, which is lower than the total backlog due to the long-duration, multi-phase nature of data center projects.

Management noted that the gating factor for revenue is the responsible ramp rate of production rather than physical square footage constraints.

Lead times for high-volume lines are currently in the mid-20 week range, which is longer than management's target.

Despite running at near-record volumes, the backlog continues to grow because order intake is currently exceeding the increased production capacity.

AAON is avoiding 'high-volume, lower-margin' liquid cooling orders in favor of high-performance, custom-engineered solutions for specific customer platforms.

This consultative approach differentiates the brand from competitors who may be chasing broader, less specialized data center cooling segments.

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