Accelsius LLC

Founded in 2022 and based in Texas, US, Accelsius LLC, operates as a provider of advanced two-phase, direct-to-chip liquid cooling solutions for data centers, offering scalable and energy-efficient technologies through its proprietary NeuCool platform. Founded in 2022 and based in Texas, US, Accelsius LLC, operates as a cooling solution provider company that develops thermal cooling technology to remove heat constraints in computing applications. In December 2025, Accelsius LLC raised USD 40 million in series B funding from new investor Legrand with participation from returning investor Johnson Controls, Inc. The round was part of a larger USD 65 million series B funding.

The company offers cooling solutions designed to accommodate the increasing heat densities associated with higher component power densities. The company’s cooling systems include servers, routers, switches, cell tower base stations, and other equipment used for advanced thermal management systems. Accelsius generates revenue primarily through the commercialization of its proprietary NeuCool two-phase, direct-to-chip liquid cooling systems for data centers and edge computing environments. In December 2025, Accelsius LLC raised USD 40 million in series B funding from Legrand and Johnson Controls, Inc..

The company will use the funding to advance sustainable, energy-efficient liquid cooling for AI-driven data centers, reducing costs, boosting performance and meeting rising power-density demands.