Aaon delivered strong Q4 2025 results with net sales increasing 42.5% year-over-year, driven by robust demand for data center equipment under the BASX brand. While gross margins were slightly pressured by capacity expansion costs in Memphis, the company achieved a record total backlog of $1.83 billion, positioning it for continued growth in 2026.
Net sales grew 42.5% to $424.2 million in Q4 2025 compared to $297.7 million in Q4 2024.
Total backlog reached a record $1.83 billion, up 110.9% year-over-year, driven by a 141.3% increase in BASX-branded products.
GAAP diluted EPS increased 30% to $0.39 for the quarter.
The BASX segment saw a 109.1% increase in net sales and significant margin expansion to 27.1%.
The company introduced a positive 2026 outlook based on record backlog and expanded manufacturing capacity.
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