AAON

Q1 2026

Date: 2026-05-07Rank: #57Forward Promise: bullish

AAON reported a record first quarter in 2026, with net sales surging 54% year-over-year to $496.9 million and diluted EPS growing 37% to $0.48. This growth was driven by a 72% increase in BasX branded sales fueled by data center demand and a 42% increase in AAON branded sales due to improved production throughput. The company achieved a book-to-bill ratio well above 1, pushing total backlog to $2.1 billion, more than double the prior year. While gross margin contracted 170 basis points to 25.1% due to temporary outsourcing and tariff pressures, management raised full-year guidance, now anticipating 40% to 45% sales growth and targeting roughly $1 billion in BasX revenue for the year.

Bullishness Score

88.25

μ Mean

93.91

σ Uncertainty

1.89

Forward Promise

7.8

Management Tone

Management exhibited a highly confident and assertive tone throughout the call, framing margin headwinds as deliberate, temporary trade-offs made from a position of strength to capture outsized market share. The transition between prepared remarks and Q&A was seamless, with executives maintaining their strategic narrative without wavering under analyst scrutiny. The overall demeanor conveyed strong conviction in the company's growth trajectory and operational execution.

Confidence: HIGH — Management provided specific, quantified metrics for backlog, capacity targets, and margin drivers, and directly addressed competitive and operational challenges without deflecting. Their willingness to explicitly quantify the temporary impacts on margins and outline the exact pricing actions already embedded in the backlog demonstrated high confidence.

Strategic Signals

Management is aggressively prioritizing market share capture over near-term margin maximization in the data center cooling segment. By intentionally utilizing outsourced components to accelerate volume, AAON is capitalizing on a hyper-growth market (growing ~30%) that it views as critical for long-term positioning. This strategy is backed by a record backlog of $2.1 billion, providing the visibility needed to make these confident operational trade-offs.

The company's capacity investments in Longview and Memphis are transitioning from a build phase to an execution phase, revealing significant upside potential. Management indicated that the initial investments in these facilities now support a revenue capacity exceeding $2 billion, well above the previous $1.5 billion target. This suggests the capital intensity required for future growth may moderate, potentially driving higher returns on invested capital as utilization scales.

AAON is successfully executing a share gain strategy in the traditional unitary HVAC market, even amid soft overall industry volumes. AAON branded sales grew 42% year-over-year, significantly outpacing the modest low-single-digit market growth. The 56% increase in Alpha-class fully electric heat pump configurations highlights a strong strategic alignment with electrification trends and premium product demand.

The introduction of a new Chief Financial Officer, Andy Cheung, signals a continued focus on operational efficiency and margin discipline during a rapid scaling phase. Cheung explicitly identified margin discipline and working capital management as top near-term priorities, indicating that while the CEO drives aggressive top-line growth, the finance function is being aligned to tighten cash conversion and structural profitability.

Key Metrics

Net Sales$496.9 million54% YoY

Diluted EPS$0.4837% YoY

Gross Margin25.1%-170 bps YoY

Non-GAAP Adjusted EBITDA$78 million44% YoY

Non-GAAP Adjusted EBITDA Margin15.7%-190 bps YoY

Total Backlog$2.1 billion>100% YoY

BasX Branded SalesImplied ~$135.4M (Segment)72% - 104% YoY

AAON Branded SalesImplied ~$244M (Segment)42% - 51% YoY

Cash Flow from Operations$34 millionPositive inflection YoY

Leverage Ratio1.71xImproved from 1.77x

Guidance

Full Year Sales Growth: 40% to 45%

Full Year Gross Margin: 27% to 28%

Full Year SG&A as % of Sales: 14% to 15%

Full Year Depreciation & Amortization: $95 million to $100 million

Full Year Capital Expenditures: $190 million

BasX Branded Revenue: Roughly $1 billion

Long-term BasX Capacity Potential: Above $2 billion

Bottom Line

Price Target: N/A

AAON is executing flawlessly at the intersection of two massive secular growth trends: AI-driven data center cooling and the electrification of commercial HVAC. The Q1 results and subsequent Q&A session demonstrated a company that is aggressively capturing market share, evidenced by a book-to-bill ratio over 2 for BasX and a total backlog that has more than doubled to $2.1 billion. While the 170 basis point gross margin contraction may concern short-term investors, management convincingly articulated that this is a deliberate, temporary trade-off to accelerate volume while internal capacity scales. The quantification of a $1 billion revenue target for BasX in 2026 and a long-term capacity ceiling above $2 billion provides highly visible, multi-year growth runway. The introduction of Andy Cheung as CFO, with his explicit focus on margin discipline and working capital, perfectly complements the CEO's aggressive growth posture. As the Memphis facility matures and outsourcing declines through late 2026, margin expansion will likely accelerate, driving significant operating leverage. For investors with a 12-18 month horizon, AAON offers a rare combination of hyper-growth revenue and a clear pathway to structural margin improvement, making it a compelling buy.

Forward Promise

Overall: 7.8 · bullish

Aggressive Growth Prioritization Backed by Exceptional Demand Visibility

Management delivered a highly confident Q&A, backing up their raised guidance with specific, quantifiable targets for both revenue and long-term capacity. The deliberate sacrifice of near-term margins for market share is a bold but well-supported strategy given the record backlog.

Red Flags

Gross margins contracted significantly, falling 170 basis points year-over-year to 25.1%, and the full-year guidance of 27-28% implies margins will remain structurally depressed compared to historical highs. While management attributes this to temporary outsourcing and tariffs, the heavy reliance on external manufacturing to meet demand introduces execution risk and could persist longer than anticipated if internal capacity ramps experience delays.

The Oklahoma segment's reported margins were heavily impacted by $9.8 million in overhead expenses related to the unutilized Memphis facility, resulting in a reported margin of 26.3% compared to an adjusted 29.6%. This highlights the ongoing drag of capacity investments on current profitability and suggests that the anticipated margin expansion is highly dependent on the successful, flawless execution of the Memphis ramp.

Despite record production, lead times for the AAON brand remain extended, and further progress is necessary to normalize operations. While improving, the inability to immediately clear backlog using internal capacity alone forces the company to rely on more expensive, outsourced components, which pressures short-term earnings and introduces potential quality control risks.

Macro Insights

Data Center Market: The data center thermal management market is growing at approximately 30%, providing a massive tailwind for AAON's BasX segment.

Commercial HVAC Market: The traditional unitary/rooftop HVAC market is showing signs of recovery, with low single-digit volume growth, which AAON is significantly outperforming to gain share.

Tariffs and Inflation: Tariff-related and general inflation pressures are creating near-term headwinds to gross margins, although management has already implemented pricing actions to offset these impacts.