CoolIT Systems

CoolIT Systems is a leading direct liquid cooling (DLC) technology provider for data centers, supercomputers, and high-performance computing environments, headquartered in Calgary, Alberta. Founded in 2001, CoolIT designs and manufactures coolant distribution units (CDUs), coldplates, and server-integrated liquid cooling systems that deliver cooling fluid directly to CPUs, GPUs, and other high-heat components, dramatically increasing data center density and energy efficiency. Its solutions are deployed by major hyperscalers and OEMs to meet the thermal demands of AI and HPC workloads. The company was acquired by Ecolab for $4.75 billion in 2026.