Ecolab Inc. announced a $4.75 billion all‑cash acquisition of CoolIT Systems, a high‑growth liquid‑cooling technology provider for next‑generation AI data centers. The transaction is being financed with new debt and is expected to close in the third quarter of 2026, with CoolIT’s current sales projected at approximately $550 million over the next 12 months.
The purchase expands Ecolab’s Global High‑Tech portfolio and positions the company in the rapidly growing AI data‑center market. CoolIT’s direct‑liquid‑cooling solutions are already deployed by hyperscale and colocation operators, and the acquisition is expected to double Ecolab’s Global High‑Tech market opportunity from $5 billion to $10 billion. The deal also complements Ecolab’s existing water‑management and digital‑platform capabilities, creating a comprehensive cooling solution that can improve performance, reliability, and water and energy use for AI workloads.
Ecolab’s guidance for the first quarter of 2026 shows adjusted diluted earnings per share in the $1.69 to $1.71 range, and the full‑year 2026 guidance (excluding CoolIT) is $8.43 to $8.63. Management expects the transaction to be accretive to adjusted diluted earnings per share beginning in 2028, and to accelerate the Global Water segment’s organic sales growth rate by 2% and the company’s total organic sales growth rate by 1%.
Christophe Beck, Ecolab’s chairman and chief executive officer, said: “AI is transforming the demands on data centers, and liquid cooling is one of the critical technologies that makes advanced computing possible. By bringing together CoolIT's engineered cooling technologies with Ecolab's expertise in water, chemistry and digital service, we can provide our customers a complete cooling solution that improves performance and reliability while reducing water and energy use. This acquisition expands our role in serving the AI ecosystem—semiconductor fabs that manufacture chips, power plants that fuel the chips, and data centers that utilize the chips—and positions Ecolab as the partner that the world's largest technology companies rely on to grow responsibly and sustainably.”
The acquisition is expected to enhance Ecolab’s margin profile, as CoolIT’s high‑margin business will lift overall profitability. Integration plans will focus on combining CoolIT’s technology with Ecolab’s water and chemical expertise, leveraging existing customer relationships and digital platforms to accelerate deployment in AI data centers. The deal also signals Ecolab’s strategic pivot toward high‑growth, high‑margin technology markets, reinforcing its long‑term growth trajectory and competitive positioning in the AI infrastructure space.
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