# Liquid Cooling Vendors

> Data center liquid cooling comes in four product families: coolant distribution units (CDUs), direct-to-chip cold plates, immersion tanks and rear-door heat exchangers. This table tracks 46 vendors. Shipping CDUs run from 13 kW (GRC ICEraQ NANO) to 8,150 kW (DCX FDU V2AT2), and CoolIT, Vertiv, Motivair and Boyd each ship units of 2.3 MW or more. Every rating links to the vendor’s datasheet or release, checked 9 Nov 2026.

Data center liquid cooling, read off the datasheet: every CDU rating, cold plate and tank, sourced and dated. 46 vendors, each field linked to its public source, last verified 2026-11-09.
When citing, link the canonical HTML page.

## Data
- [Data center liquid cooling vendors, spec by spec](https://liquidcoolingvendors.com/): the full comparison table
- [Coolant distribution units (CDUs) for data centers](https://liquidcoolingvendors.com/cdu/): Every data center CDU vendor by rated kW: in-rack, in-row and facility coolant distribution units from 13 kW to 8.15 MW, each rating linked to its datasheet.
- [Direct-to-chip cooling vendors](https://liquidcoolingvendors.com/direct-to-chip/): Direct-to-chip liquid cooling vendors compared: single-phase and two-phase cold plates, the CDUs that feed them and the GPU platforms each vendor names.
- [Immersion cooling companies](https://liquidcoolingvendors.com/immersion-cooling/): Immersion cooling companies for data centers: single-phase tanks, two-phase fluids and published kW per tank, each figure linked to the vendor’s own source.
- [Rear door heat exchangers (RDHx)](https://liquidcoolingvendors.com/rear-door-heat-exchangers/): Rear door heat exchanger (RDHx) vendors compared on published kW per rack, from 75 kW to 200 kW, with passive and active doors and the source for every rating.
- [Methodology](https://liquidcoolingvendors.com/methodology/): what each field means and how it is verified

## Vendors
- [Accelsius](https://liquidcoolingvendors.com/accelsius/): Austin maker of NeuCool two-phase direct-to-chip cooling, rated up to 4,500 W per socket. The row-based MR250 CDU delivers 250 kW, and the IR150 puts a 150 kW two-phase CDU inside an 800 mm rack.
- [Airedale by Modine](https://liquidcoolingvendors.com/airedale-modine/): Modine's UK cooling brand sells in-row CDUs of about 1 MW and a skid CDU of about 2.1 MW, sized at 1.5 l/min per kW.
- [Asperitas](https://liquidcoolingvendors.com/asperitas/): Amsterdam single-phase immersion company, founded in 2014. Its PNC tank moves dielectric fluid by natural convection with no pumps, and the DFCX1 forced-convection tank takes 60 kW per 12U. It raised a round led by Stecon Group with Invest-NL in September 2025.
- [AVC (Asia Vital Components)](https://liquidcoolingvendors.com/avc/): Taiwanese thermal maker named by TrendForce as a leading GB200 cold plate supplier, with NVIDIA certification for its cold plates and manifolds. It showed an in-row CDU at the OCP Global Summit.
- [Boyd Thermal (Eaton)](https://liquidcoolingvendors.com/boyd-thermal/): Thermal maker of cold plates, cooling loops, in-rack manifolds and CDUs from small liquid-to-air units to the 2.3 MW ROL2300. Eaton closed its $9.5 billion purchase of Boyd Thermal on 12 March 2026, so the line now sells as part of Eaton.
- [Carrier](https://liquidcoolingvendors.com/carrier/): HVAC major whose QuantumLeap CDUs come in sizes from 1.3 to 5 MW for direct-to-chip loops, with heat-exchanger approach temperatures down to 2°C.
- [Castrol](https://liquidcoolingvendors.com/castrol/): Castrol ON sells single-phase dielectric immersion coolants (DC 15 and DC 20) and a ready-to-use PG25 coolant for direct-to-chip loops, co-engineered with immersion partners Submer and Iceotope.
- [CEJN](https://liquidcoolingvendors.com/cejn/): Swedish coupling maker that co-develops OCP liquid cooling couplings: UQD hand-mate, UQDB and BMQC blind-mate, and LQC high-flow screw-to-connect couplings for CDUs, plus non-drip flat-face couplings for immersion tanks.
- [Chemours (Opteon)](https://liquidcoolingvendors.com/chemours/): Maker of Opteon 2P50, a low-GWP HFO dielectric fluid for two-phase immersion that boils at 49°C. It was still labelled developmental and entered a full-scale trial with NTT DATA in 2025.
- [Chilldyne](https://liquidcoolingvendors.com/chilldyne/): Direct-to-chip vendor whose patented negative-pressure loop pulls coolant away from electronics if a line leaks. It sells cold plates, rack manifolds and CDUs up to the 1,500 kW CDU 1500.
- [Cooler Master](https://liquidcoolingvendors.com/cooler-master/): Taiwanese thermal maker, named by TrendForce as a leading GB200 cold plate and manifold supplier. It sells CDUs from a 25 kW liquid-to-air unit to a 2.5 MW in-row liquid-to-liquid CDU.
- [CoolIT Systems](https://liquidcoolingvendors.com/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.
- [CPC (Colder Products Company)](https://liquidcoolingvendors.com/cpc/): Dover-owned connector maker with Everis blind-mate quick disconnects (BLQ2, BLQ4, BLQ6, LQ8) for rack manifolds and server liquid cooling.
- [Danfoss Power Solutions (Hansen couplings)](https://liquidcoolingvendors.com/danfoss/): Quick-disconnect couplings for liquid cooling loops: the full-flow FD83 in 1-inch and 2-inch sizes for facility and row piping, and UQD couplings for in-rack lines.
- [DCX Liquid Cooling Systems](https://liquidcoolingvendors.com/dcx/): Warsaw-based maker of facility-scale CDUs (FDUs) up to 8.15 MW, eCDUs from 0.6 to 2.6 MW, in-rack CDUs and immersion enclosures. Its 8 MW FDU targets 45°C warm water for NVIDIA GB200/GB300 NVL72 and Vera Rubin, and LITEON is taking a 25% stake.
- [Dell Technologies (PowerCool)](https://liquidcoolingvendors.com/dell/): Server OEM whose IR7000 ORv3 rack takes up to 504 kW with direct liquid cooling. PowerCool pairs rack-mount CDUs with enclosed rear-door heat exchangers, and third-party cooling is an option.
- [Delta Electronics](https://liquidcoolingvendors.com/delta-electronics/): Taiwanese power and thermal maker with the GoCool range of liquid-to-liquid CDUs up to 1.5 MW, a 250 kW cooled NVIDIA MGX GB200/GB300 rack, and 2.4 MW and 3 MW in-row CDUs shown with NVIDIA.
- [Dow](https://liquidcoolingvendors.com/dow/): Chemical major supplying DOWSIL silicone single-phase immersion fluids, led by the R&D 100-winning DOWSIL ICL-1000, and DOWFROST LC 25, a pre-diluted 25% inhibited propylene glycol coolant dyed yellow for leak detection in direct-to-chip loops.
- [EAS Companies (Environmental Air Systems)](https://liquidcoolingvendors.com/eas-companies/): North Carolina builder of factory-tested, pre-commissioned facility CDUs from 5 MW to 20 MW+ for direct-to-chip cooling, sold alongside modular central utility plants and modular data centers. Part of Comfort Systems USA.
- [Engineered Fluids](https://liquidcoolingvendors.com/engineered-fluids/): Maker of single-phase dielectric immersion coolants for servers, GPUs and batteries, blended at its own plant in Tyler, Texas. It also builds immersion tanks and cooling systems.
- [Envicool](https://liquidcoolingvendors.com/envicool/): Shenzhen-listed (SZSE: 002837) thermal company with the Coolinside liquid cooling line: cold plates, quick couplings, manifolds, CDUs and an immersion option. It reports over 1.2 GW of liquid cooling projects delivered.
- [GIGABYTE (Giga Computing)](https://liquidcoolingvendors.com/gigabyte/): GIGABYTE's server arm, Giga Computing, ships direct-liquid-cooled NVIDIA rack-scale systems, including a liquid-cooled Vera Rubin NVL72 with liquid-cooled NVLink switch trays and integrated leak detection.
- [GRC (Green Revolution Cooling)](https://liquidcoolingvendors.com/grc/): Single-phase immersion specialist. ICEraQ tanks with integrated CDUs run from a 13 kW 10U unit to systems whose CDU handles up to 368 kW with 13°C water, using its ElectroSafe coolants.
- [HPE (Hewlett Packard Enterprise)](https://liquidcoolingvendors.com/hpe/): Server OEM behind the Cray EX lineage and a 100% fanless direct liquid cooling architecture that covers eight elements, from blade and network fabric to rack and CDU. HPE says it cuts cooling power per blade by 37% against hybrid DLC.
- [Hypertec](https://liquidcoolingvendors.com/hypertec/): Montreal maker of TRIDENT immersion-born servers, built from the ground up to run submerged in dielectric fluid: 1U multi-node CPU servers up to 2U six-GPU systems on Intel Xeon 6, AMD EPYC 9004/9005 and AMD Instinct MI300A. It also services immersion tanks.
- [Iceotope](https://liquidcoolingvendors.com/iceotope/): Sheffield precision liquid cooling company that pumps a small volume of dielectric fluid over CPUs, GPUs, memory and PSUs inside a sealed chassis. It sells the KUL AI server and the KUL BOX edge system and raised a $26M Series B in May 2026.
- [JetCool (Flex)](https://liquidcoolingvendors.com/jetcool/): Microconvective cold plate maker: SmartPlate jets coolant straight at chip hot spots. It also sells the SmartSense in-rack CDU (up to 300 kW) and a modular row CDU reaching 1.8 MW. Flex acquired JetCool in November 2024.
- [Johnson Controls (Silent-Aire)](https://liquidcoolingvendors.com/johnson-controls-silent-aire/): Johnson Controls' Silent-Aire in-row CDUs run about 500–1,050 kW per unit and scale past 10 MW when combined. They are built in North America, Europe and Asia Pacific.
- [Kehua Data](https://liquidcoolingvendors.com/kehua/): Chinese power and data center company with the WiseCol-LD cold plate CDU series (N+1) and liquid-cooled modular and container data centers.
- [Legrand (USystems ColdLogik)](https://liquidcoolingvendors.com/legrand-usystems/): Legrand's data center arm sells USystems ColdLogik rear-door coolers, passive and active, rated up to 200 kW per rack on the CL23 HPC model.
- [Lenovo Neptune](https://liquidcoolingvendors.com/lenovo-neptune/): Lenovo's direct water cooling for ThinkSystem servers, running on coolant up to about 45°C so sites can drop chillers. Lenovo reports a PUE of 1.1 on the ThinkSystem SR780a.
- [LiquidStack](https://liquidcoolingvendors.com/liquidstack/): US-built direct-to-chip CDUs: the 1,350 kW CDU-1MW, the high-flow CDU-2.X and the GigaModular system that scales to 14 MW for NVIDIA Vera Rubin. Trane Technologies completed its acquisition of LiquidStack in March 2026; the company began in two-phase immersion, but its current site lists only CDUs.
- [Motivair by Schneider Electric](https://liquidcoolingvendors.com/motivair-schneider-electric/): Schneider Electric's liquid cooling arm, selling CDUs from 105 kW to 2.5 MW, ChilledDoor rear-door heat exchangers, cold plates and a 100 kW liquid-to-air unit. Schneider took a 75% controlling stake in February 2025 and holds the right to buy the remaining 25% in 2028.
- [Nidec](https://liquidcoolingvendors.com/nidec/): Japanese motor and thermal group shipping the 2 MW NIR 2.5 in-row CDU, which handles up to six NVIDIA Vera Rubin NVL72 racks, and a 2 MW CDU to Google's Project Deschutes spec. A 3.2 MW, 800 VDC-ready NIR 3.0 is in prototype.
- [nVent](https://liquidcoolingvendors.com/nvent/): Enclosure and electrical company selling row-based CDUs, an OCP Project Deschutes 2 MW CDU, technology cooling system manifolds and RDHX PRO rear-door coolers.
- [Parker Hannifin](https://liquidcoolingvendors.com/parker/): Push-button UQD couplings that follow OCP guidelines and are NVIDIA Partner Network approved, plus blind-mate quick connects for OCP ORV3 racks.
- [Rittal](https://liquidcoolingvendors.com/rittal/): German enclosure maker with an in-rack CDU (150–200 kW, fits OCP ORV3 racks) and an in-row CDU rated 1,000–1,500 kW.
- [Shell (Immersion Cooling Fluids)](https://liquidcoolingvendors.com/shell/): Single-phase immersion fluids made with Shell's gas-to-liquids (GTL) process. They were the first immersion fluids to be Intel Data Center Certified for Immersion Cooling.
- [Stäubli](https://liquidcoolingvendors.com/staubli/): Swiss connector maker with OCP UQD and blind-mate UQDB couplings, TDU large-bore couplings for rack-to-loop links, and the LQD coupling due in 2026.
- [STULZ](https://liquidcoolingvendors.com/stulz/): Precision cooling maker whose CyberCool CDU covers 345–1,380 kW in two sizes, plus a 2 MW CDU built to the OCP Project Deschutes spec.
- [Submer](https://liquidcoolingvendors.com/submer/): Barcelona immersion cooling company. Its SmartPod EXO twin-tank system has 2N CDUs and is listed at 280 kW+ of heat dissipation.
- [Supermicro](https://liquidcoolingvendors.com/supermicro/): Server OEM that ships complete direct liquid cooling racks (DLC-2): cold plates, manifolds, a 250 kW in-rack CDU on warm water up to 45°C, in-row CDUs up to 5 MW and a 500 kW liquid-to-air sidecar.
- [TotalEnergies Fluids](https://liquidcoolingvendors.com/totalenergies/): Maker of DC Cooling BioLife, a single-phase dielectric immersion coolant with very low viscosity that TotalEnergies sells as 100% biosourced and ISCC PLUS-certified. It joined GRC's ElectroSafe Fluid Partner Program in 2024.
- [Vertiv](https://liquidcoolingvendors.com/vertiv/): Data center power and thermal company whose CoolChip CDU family runs from a 70 kW liquid-to-air in-row unit to a 2,300 kW liquid-to-liquid in-row unit. It bought UK CDU and manifold maker CoolTera in December 2023, and its CDUs serve direct-to-chip and rear-door cooling loops.
- [Wiwynn](https://liquidcoolingvendors.com/wiwynn/): Taiwanese hyperscale server maker that designs its own liquid cooling: a dual-sided cold plate for over 4 kW of thermal load, microchannel cold plates rated beyond 350 W/cm², and an air-assisted liquid cooling (AALC) system for halls without facility water.
- [ZutaCore](https://liquidcoolingvendors.com/zutacore/): Waterless two-phase direct-to-chip cooling: HyperCool boils a dielectric fluid on the cold plate, so a leak can't short the server. Its CDUs run from 20 kW air-based in-rack units to a 2 MW end-of-row unit. It raised a $100M Series C in June 2026.

## Optional
- [All records in one file](https://liquidcoolingvendors.com/llms-full.txt)
- [Sitemap](https://liquidcoolingvendors.com/sitemap.xml)