Iceotope develops and supplies liquid-cooling systems for data-center servers, including chassis-based precision liquid cooling and liquid immersion cooling.
Iceotope sits between immersion and direct-to-chip, which is both its technical argument and its commercial problem. Its precision liquid cooling delivers coolant across all server components, direct-to-everything, covering CPUs, GPUs, memory, networking and power rather than only the hot chips, in a sealed chassis-level design. Claimed results are energy use down up to 40 percent and water use down up to 96 percent, near-silent from eliminating server fans, sealed for harsh environments. Products are KUL AI for rack-scale and KUL BOX for edge servers. It has surpassed 200 granted and pending patents. On 2026-05-14 it raised a USD 26 million Series B led by Two Seas Capital and Barclays Climate Ventures, with Edinv, ABC Impact, Northern Gritstone and the British Business Bank participating. The reason it stays KEEP-WATCH despite a current round is scale: USD 26 million in year twenty-one, against ZutaCore at roughly USD 200 million and Corintis at USD 58 million in under a year, and no disclosed customer, deployment count or revenue. Its framing that both air and direct-to-chip cannot sustain 1 MW racks is the bet, and nothing found shows an operator agreeing at scale. Revisit trigger: a named production deployment or a disclosed revenue figure.
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Traction: deployment, production, commercials, progress. Capability: technology, positioning, firepower, leverage.
Iceotope develops and supplies liquid-cooling systems for data-center servers, including chassis-based precision liquid cooling and liquid immersion cooling. Iceotope sits between immersion and direct-to-chip, which is both its technical argument and its commercial problem. Its precision liquid cooling delivers coolant across all server components, direct-to-everything, covering CPUs, GPUs, memory, networking and power rather than only the hot chips, in a sealed chassis-level design. Claimed results are energy use down up to 40 percent and water use do
Iceotope is on the AI Core watchlist list of Frontier Tech Intelligence with a score of 56 out of 100, below the Top 100.
Iceotope is based in Sheffield, England, United Kingdom.
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