CoolIT Systems

Direct liquid cooling specialist making cold plates, rack manifolds and CDUs from in-rack units up to the 3 MW CHx3000. Ecolab completed its acquisition of CoolIT on 2 July 2026.

CDU, Cold plate, Liquid-to-air CDU, Manifolds HQ Calgary, Alberta, Canada Owned by Ecolab Checked 9 Nov 2026

Smallest CDU: 80 kW CoolIT CHx80 in-rack CDU, 9 Nov 2026
Largest CDU: 3,000 kW CoolIT CDU product page, 9 Nov 2026

Rating conditions

CHx3000: 3,000 kW @ 3°C ATD (vendor page). CHx2000: 2 MW, launched April 2025 (DCD). CHx80: 80 kW per unit, in-rack, facility water up to and above 45°C. AHx180: 180 kW @ 15°C ATD, liquid-to-air, 270 LPM.

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Ownership change

Jul 2026

Acquired by Ecolab. Ecolab agreed to buy CoolIT Systems for $4.75 billion on 20 March 2026 and closed the deal on 2 July 2026. CoolIT’s cold plates, manifolds and CDUs now sit inside Ecolab. Source

Datasheet

Source on every value

Technologies Liquid cooling product types the vendor sells today. 'Liquid-to-air CDU' is a sidecar unit or heat dissipation unit that needs no facility water. 'Two-phase cold plate' boils a refrigerant or dielectric on the chip.: CDU, Cold plate, Liquid-to-air CDU, Manifolds 1
Smallest CDU kW Rated cooling capacity of the smallest shipping CDU in the line, as the vendor publishes it. Rating conditions (approach temperature, fluid) are in the spec notes. Blank when not published.: 80 4
Largest CDU kW Rated cooling capacity of the largest shipping CDU, as the vendor publishes it. Prototypes and announced-only units are left out and named in the spec notes. Blank when not published.: 3,000 1
GPU platforms (vendor-stated) GPU or rack platforms the vendor itself names as supported, certified or targeted, such as NVIDIA GB200 NVL72 or Vera Rubin. Vendor statements only, each with a source. Blank when the vendor names none.: NVIDIA Vera Rubin (CHx3000); AMD Helios (CHx3000); NVIDIA GB200 NVL72 (CHx2000: up to twelve 120 kW racks) 1
Level Where the products sit: in the server, in the rack, in the row, or at facility scale (skid or facility distribution unit).: Server, In-rack, In-row, Facility 1
Coolant Coolant on the IT side: water-glycol (PG25 and similar), single-phase dielectric (oils, GTL, synthetic hydrocarbons) or two-phase dielectric or refrigerant.: Water-glycol 1
Max per rack kW Highest rack density the vendor publishes for its own system (immersion tank, in-rack CDU, rear door or OEM rack). Filled only when the vendor states a per-rack figure.: Not published
Rear door max kW Highest published heat removal of the vendor's rear-door heat exchanger, per rack.: Not published
Vendor type Liquid cooling specialist, thermal and HVAC major, power and data center infrastructure major, server OEM, component maker (cold plates, connectors, CDUs sold to OEMs) or fluid supplier.: Specialist 1
Parent company Owner or controlling shareholder when the vendor sits inside a larger group, such as CoolIT under Ecolab or Motivair under Schneider Electric.: Ecolab 3
HQ region Region of the vendor's (or brand owner's) headquarters.: North America 1
HQ country Country of the vendor's (or brand owner's) headquarters.: Canada 1
Headquarters Headquarters city and country as the vendor states it.: Calgary, Alberta, Canada 1
Manufacturing Regions or sites where the vendor says it builds liquid cooling products. Blank when not published.: Not published
Key products Main product lines and model names for data center liquid cooling.: CHx3000, CHx2000 (row), CHx200 and CHx80 (in-rack), AHx240 and AHx180 (liquid-to-air), coldplates, coldplate loops, rack manifolds 1
Spec notes Rating conditions behind the numbers (approach temperature, water temperature, fluid), conflicting figures, and prototypes left out of the ranges.: CHx3000: 3,000 kW @ 3°C ATD (vendor page). CHx2000: 2 MW, launched April 2025 (DCD). CHx80: 80 kW per unit, in-rack, facility water up to and above 45°C. AHx180: 180 kW @ 15°C ATD, liquid-to-air, 270 LPM. 1

Sources

CoolIT CDU product page accessed 2026-11-09
DCD: CoolIT 2 MW CDU (CHx2000) accessed 2026-11-09
Ecolab Form 10-Q Q3 2026 (CoolIT acquisition closed 2 July 2026) accessed 2026-11-09
CoolIT CHx80 in-rack CDU accessed 2026-11-09
CoolIT AHx180 liquid-to-air CDU accessed 2026-11-09

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