# CoolPower Index

> The vendor-neutral directory of data centre cooling and power suppliers. 64 suppliers across 8 categories for hyperscale, AI and colocation data centre buyers. Listings are free, neutral editorial summaries from public sources. Claiming a listing and corrections are free. Paid placements are always labelled Sponsored or Featured.

## Categories
- [CDUs & Direct Liquid Cooling](https://coolpowerindex.com/category/cooling-cdu/): Coolant distribution units, cold plates and direct-to-chip systems. (13 suppliers)
- [Immersion Cooling](https://coolpowerindex.com/category/immersion/): Single- and two-phase immersion tanks and fluids. (5 suppliers)
- [Chillers & Precision Cooling](https://coolpowerindex.com/category/chillers/): Air- and water-cooled chillers, CRAH/CRAC and precision cooling. (9 suppliers)
- [Heat Rejection](https://coolpowerindex.com/category/heat-rejection/): Dry and adiabatic coolers, cooling towers, evaporative and fan-wall systems. (9 suppliers)
- [UPS & Power Distribution](https://coolpowerindex.com/category/ups-power/): Static and rotary UPS, PDUs, busway and power electronics. (16 suppliers)
- [Switchgear & Transformers](https://coolpowerindex.com/category/switchgear/): MV/LV switchgear, transformers and electrification. (10 suppliers)
- [Gensets & On-site Power](https://coolpowerindex.com/category/gensets/): Diesel/gas generator sets, fuel cells and temporary power. (9 suppliers)
- [BESS & Energy Storage](https://coolpowerindex.com/category/bess/): Battery energy storage systems and UPS batteries. (8 suppliers)

## Suppliers
- [Vertiv](https://coolpowerindex.com/supplier/vertiv/): Critical digital infrastructure: CDUs, thermal management, UPS and power distribution. Categories: CDUs & Direct Liquid Cooling, UPS & Power Distribution. Website: https://www.vertiv.com
- [Schneider Electric](https://coolpowerindex.com/supplier/schneider-electric/): Energy management and automation, UPS, switchgear, and (via Motivair) liquid cooling CDUs. Categories: UPS & Power Distribution, Switchgear & Transformers. Website: https://www.se.com
- [Motivair by Schneider Electric](https://coolpowerindex.com/supplier/motivair-by-schneider-electric/): Liquid cooling CDUs, rear-door heat exchangers and chillers for high-density compute. Categories: CDUs & Direct Liquid Cooling. Website: https://www.motivaircorp.com
- [CoolIT Systems](https://coolpowerindex.com/supplier/coolit-systems/): Direct liquid cooling cold plates and coolant distribution units. Categories: CDUs & Direct Liquid Cooling. Website: https://www.coolitsystems.com
- [LiquidStack](https://coolpowerindex.com/supplier/liquidstack/): Two-phase and single-phase immersion cooling and CDUs, part of Trane Technologies. Categories: CDUs & Direct Liquid Cooling, Immersion Cooling. Website: https://liquidstack.com
- [Submer](https://coolpowerindex.com/supplier/submer/): Single-phase immersion cooling systems for data centres. Categories: Immersion Cooling. Website: https://submer.com
- [Green Revolution Cooling (GRC)](https://coolpowerindex.com/supplier/green-revolution-cooling-grc/): Single-phase immersion cooling systems. Categories: Immersion Cooling. Website: https://www.grcooling.com
- [Asperitas](https://coolpowerindex.com/supplier/asperitas/): Immersion cooling solutions for data centres. Categories: Immersion Cooling. Website: https://www.asperitas.com
- [Iceotope](https://coolpowerindex.com/supplier/iceotope/): Precision liquid cooling (chassis-level immersion). Categories: Immersion Cooling. Website: https://www.iceotope.com
- [DCX Liquid Cooling Systems](https://coolpowerindex.com/supplier/dcx-liquid-cooling-systems/): Facility-scale CDUs and direct liquid cooling systems. Categories: CDUs & Direct Liquid Cooling. Website: https://www.dcx.eu
- [Boyd](https://coolpowerindex.com/supplier/boyd/): Thermal management including liquid cooling loops and CDUs. Categories: CDUs & Direct Liquid Cooling. Website: https://www.boydcorp.com
- [nVent](https://coolpowerindex.com/supplier/nvent/): Enclosures, liquid cooling and electrical connection/protection products. Categories: CDUs & Direct Liquid Cooling, UPS & Power Distribution. Website: https://www.nvent.com
- [Rittal](https://coolpowerindex.com/supplier/rittal/): Racks, enclosures and IT cooling including liquid cooling packages. Categories: CDUs & Direct Liquid Cooling. Website: https://www.rittal.com
- [Stulz](https://coolpowerindex.com/supplier/stulz/): Precision air conditioning, chillers and CDUs for data centres. Categories: Chillers & Precision Cooling. Website: https://www.stulz.com
- [Trane](https://coolpowerindex.com/supplier/trane/): HVAC chillers and data centre cooling systems. Categories: Chillers & Precision Cooling. Website: https://www.trane.com
- [Carrier](https://coolpowerindex.com/supplier/carrier/): HVAC chillers and data centre cooling. Categories: Chillers & Precision Cooling. Website: https://www.carrier.com
- [Johnson Controls (York)](https://coolpowerindex.com/supplier/johnson-controls-york/): Chillers and building technologies, including York and Silent-Aire. Categories: Chillers & Precision Cooling. Website: https://www.johnsoncontrols.com
- [Daikin Applied](https://coolpowerindex.com/supplier/daikin-applied/): Chillers and air handling for mission-critical facilities. Categories: Chillers & Precision Cooling. Website: https://www.daikinapplied.com
- [Mitsubishi Electric Hydronics & IT Cooling](https://coolpowerindex.com/supplier/mitsubishi-electric-hydronics-it-cooling/): Chillers and precision cooling (Climaveneta, RC brands). Categories: Chillers & Precision Cooling. Website: https://www.melcohit.com
- [Airedale by Modine](https://coolpowerindex.com/supplier/airedale-by-modine/): Chillers, CRAH and data centre cooling. Categories: Chillers & Precision Cooling. Website: https://www.airedale.com
- [Modine](https://coolpowerindex.com/supplier/modine/): Thermal management including data centre cooling. Categories: Chillers & Precision Cooling, Heat Rejection. Website: https://www.modine.com
- [Munters](https://coolpowerindex.com/supplier/munters/): Air handling and evaporative/indirect cooling for data centres. Categories: Heat Rejection. Website: https://www.munters.com
- [EVAPCO](https://coolpowerindex.com/supplier/evapco/): Cooling towers, evaporative and dry coolers. Categories: Heat Rejection. Website: https://www.evapco.com
- [Baltimore Aircoil Company](https://coolpowerindex.com/supplier/baltimore-aircoil-company/): Evaporative cooling towers and heat rejection equipment. Categories: Heat Rejection. Website: https://www.baltimoreaircoil.com
- [Güntner](https://coolpowerindex.com/supplier/g-ntner/): Dry coolers, adiabatic coolers and heat exchangers. Categories: Heat Rejection. Website: https://www.guntner.com
- [Alfa Laval](https://coolpowerindex.com/supplier/alfa-laval/): Heat exchangers and fluid handling equipment. Categories: Heat Rejection. Website: https://www.alfalaval.com
- [SPX Cooling Tech (Marley)](https://coolpowerindex.com/supplier/spx-cooling-tech-marley/): Cooling towers and evaporative heat rejection. Categories: Heat Rejection. Website: https://spxcooling.com
- [EcoCooling](https://coolpowerindex.com/supplier/ecocooling/): Direct evaporative cooling for data centres. Categories: Heat Rejection. Website: https://www.ecocooling.co.uk
- [Eaton](https://coolpowerindex.com/supplier/eaton/): UPS, power distribution and switchgear. Categories: UPS & Power Distribution, Switchgear & Transformers. Website: https://www.eaton.com
- [ABB](https://coolpowerindex.com/supplier/abb/): UPS, switchgear and electrification products. Categories: UPS & Power Distribution, Switchgear & Transformers. Website: https://new.abb.com
- [Siemens](https://coolpowerindex.com/supplier/siemens/): Medium/low-voltage switchgear and electrification. Categories: Switchgear & Transformers. Website: https://www.siemens.com
- [Legrand](https://coolpowerindex.com/supplier/legrand/): Power distribution, PDUs and UPS. Categories: UPS & Power Distribution. Website: https://www.legrand.com
- [Riello UPS](https://coolpowerindex.com/supplier/riello-ups/): UPS systems. Categories: UPS & Power Distribution. Website: https://www.riello-ups.com
- [Socomec](https://coolpowerindex.com/supplier/socomec/): UPS, switching and power monitoring. Categories: UPS & Power Distribution, Switchgear & Transformers. Website: https://www.socomec.com
- [Kohler Energy (Rehlko)](https://coolpowerindex.com/supplier/kohler-energy-rehlko/): Generators and power systems. Categories: Gensets & On-site Power. Website: https://www.rehlko.com
- [Huawei Digital Power](https://coolpowerindex.com/supplier/huawei-digital-power/): UPS, power supply and energy storage. Categories: UPS & Power Distribution, BESS & Energy Storage. Website: https://digitalpower.huawei.com
- [Delta Electronics](https://coolpowerindex.com/supplier/delta-electronics/): UPS and power electronics. Categories: UPS & Power Distribution. Website: https://www.deltaww.com
- [Piller Power Systems](https://coolpowerindex.com/supplier/piller-power-systems/): Rotary UPS and power conditioning. Categories: UPS & Power Distribution. Website: https://www.piller.com
- [Hitec Power Protection](https://coolpowerindex.com/supplier/hitec-power-protection/): Diesel rotary UPS (DRUPS). Categories: UPS & Power Distribution. Website: https://www.hitec-ups.com
- [Hitachi Energy](https://coolpowerindex.com/supplier/hitachi-energy/): Transformers, switchgear, grid and energy storage. Categories: Switchgear & Transformers, BESS & Energy Storage. Website: https://www.hitachienergy.com
- [Mitsubishi Electric](https://coolpowerindex.com/supplier/mitsubishi-electric/): UPS systems and electrical equipment. Categories: UPS & Power Distribution. Website: https://www.mitsubishielectric.com
- [Caterpillar](https://coolpowerindex.com/supplier/caterpillar/): Diesel and gas generator sets. Categories: Gensets & On-site Power. Website: https://www.cat.com
- [Cummins](https://coolpowerindex.com/supplier/cummins/): Generator sets and power systems. Categories: Gensets & On-site Power. Website: https://www.cummins.com
- [Rolls-Royce Power Systems (mtu)](https://coolpowerindex.com/supplier/rolls-royce-power-systems-mtu/): mtu generator sets and power systems. Categories: Gensets & On-site Power. Website: https://www.mtu-solutions.com
- [Generac](https://coolpowerindex.com/supplier/generac/): Generators and power equipment. Categories: Gensets & On-site Power. Website: https://www.generac.com
- [Aggreko](https://coolpowerindex.com/supplier/aggreko/): Temporary power and cooling rental. Categories: Gensets & On-site Power. Website: https://www.aggreko.com
- [Wärtsilä](https://coolpowerindex.com/supplier/w-rtsil/): Engine power plants and energy storage. Categories: Gensets & On-site Power, BESS & Energy Storage. Website: https://www.wartsila.com
- [Bloom Energy](https://coolpowerindex.com/supplier/bloom-energy/): Solid oxide fuel cell on-site power. Categories: Gensets & On-site Power. Website: https://www.bloomenergy.com
- [Fluence](https://coolpowerindex.com/supplier/fluence/): Battery energy storage systems. Categories: BESS & Energy Storage. Website: https://fluenceenergy.com
- [Tesla Energy (Megapack)](https://coolpowerindex.com/supplier/tesla-energy-megapack/): Megapack battery energy storage. Categories: BESS & Energy Storage. Website: https://www.tesla.com/megapack
- [Powin](https://coolpowerindex.com/supplier/powin/): Battery energy storage systems. Categories: BESS & Energy Storage. Website: https://powin.com
- [ZincFive](https://coolpowerindex.com/supplier/zincfive/): Nickel-zinc batteries for UPS. Categories: BESS & Energy Storage, UPS & Power Distribution. Website: https://www.zincfive.com
- [EnerSys](https://coolpowerindex.com/supplier/enersys/): Stored energy solutions, batteries for UPS. Categories: BESS & Energy Storage, UPS & Power Distribution. Website: https://www.enersys.com
- [Starline (Legrand)](https://coolpowerindex.com/supplier/starline-legrand/): Track busway power distribution. Categories: UPS & Power Distribution. Website: https://www.starlinepower.com
- [Lucy Electric](https://coolpowerindex.com/supplier/lucy-electric/): Secondary distribution switchgear. Categories: Switchgear & Transformers. Website: https://www.lucyelectric.com
- [Ormazabal](https://coolpowerindex.com/supplier/ormazabal/): Medium-voltage switchgear. Categories: Switchgear & Transformers. Website: https://www.ormazabal.com
- [Envicool](https://coolpowerindex.com/supplier/envicool/): Precision cooling and liquid cooling. Categories: Chillers & Precision Cooling, CDUs & Direct Liquid Cooling. Website: https://www.envicool.com
- [Accelsius](https://coolpowerindex.com/supplier/accelsius/): Two-phase direct-to-chip liquid cooling. Categories: CDUs & Direct Liquid Cooling. Website: https://accelsius.com
- [ZutaCore](https://coolpowerindex.com/supplier/zutacore/): Waterless two-phase direct-on-chip cooling. Categories: CDUs & Direct Liquid Cooling. Website: https://zutacore.com
- [JetCool](https://coolpowerindex.com/supplier/jetcool/): Microconvective direct liquid cooling. Categories: CDUs & Direct Liquid Cooling. Website: https://jetcool.com
- [Chilldyne](https://coolpowerindex.com/supplier/chilldyne/): Negative-pressure direct liquid cooling. Categories: CDUs & Direct Liquid Cooling. Website: https://chilldyne.com
- [Nortek Data Center Cooling](https://coolpowerindex.com/supplier/nortek-data-center-cooling/): Fan walls and data centre cooling. Categories: Heat Rejection. Website: https://www.nortekdatacenter.com
- [GE Vernova](https://coolpowerindex.com/supplier/ge-vernova/): Aeroderivative and heavy-duty gas turbines for on-site data centre power, plus grid and electrification equipment. Categories: Gensets & On-site Power, Switchgear & Transformers. Website: https://www.gevernova.com
- [LS Electric](https://coolpowerindex.com/supplier/ls-electric/): Korean electrical equipment maker: medium and high-voltage switchgear, transformers and power distribution for data centres. Categories: Switchgear & Transformers. Website: https://www.ls-electric.com

## Latest news
- 2026-10-16: [Clivet unveils magnetic-bearing centrifugal compressor and liquid cooling architecture for AI data centres](https://en.prnasia.com/releases/global/breakthrough-cooling-solutions-for-the-ai-computing-surge-clivet-showcases-next-gen-magnetic-bearing-centrifugal-compressor-at-ocp-global-summit-551971.shtml) (PR Newswire APAC, Chillers & Precision Cooling): Midea brand Clivet presented the dual-shaft compressor at OCP Global Summit 2026, claiming up to 40% lower compressor power at the same cooling capacity.
- 2026-10-16: [Cooler Master unveils 2,500 kW liquid-to-liquid in-row CDU](https://datacentremagazine.com/news/cooler-master-unveils-2-500kw-cdu-for-ai-data-centres) (Data Centre Magazine, CDUs & Direct Liquid Cooling): Shown at OCP Global Summit 2026 with a 990 GPM rating and up to 32 networked CDUs, mass production targeted for Q4 2026.
- 2026-10-15: [Venture Global signs framework with GE Vernova and Baker Hughes for up to 16 power islands](https://investors.bakerhughes.com/news/press-releases/news-details/2026/Baker-Hughes-and-Venture-Global-Expand-Strategic-Long-Term-Power-Generation-Partnership/default.aspx) (Baker Hughes, Gensets & On-site Power): Gas and steam turbines plus E-house and controls for LNG operations and potential adjacent data centres, with deliveries scheduled from 2028 to 2034 and a first order expected by end of 2026.
- 2026-10-14: [LS Electric wins $138.5m order to supply switchgear for Bloom Energy fuel cells at a Pennsylvania data centre](https://www.datacenterdynamics.com/en/news/ls-electric-secures-138m-order-to-supply-switchgear-for-bloom-fuel-cells-at-pennsylvania-data-center/) (DCD, Switchgear & Transformers): 38kV switchgear and distribution transformers, with deliveries expected from April to July 2027.
- 2026-10-14: [Nidec unveils NIR3.0 prototype: 3.2 MW, 800 VDC-compatible in-row CDU](https://www.nidec.com/files/user/www-nidec-com/corporate/news/2026/1014-02/261014-02en.pdf) (Nidec, CDUs & Direct Liquid Cooling): Shown at OCP Global Summit 2026, mass production targeted for H1 2027.
- 2026-10-14: [DCX builds coolant chemistry control into its 8 MW facility distribution unit](https://www.dcx.eu/blog/first-cdu-with-built-in-coolant-quality-control-and-treatment) (DCX, CDUs & Direct Liquid Cooling): FDU family with inline sensors and automatic dosing for coolant treatment.
- 2026-10-14: [Flex completes acquisition of EPC Power](https://investors.flex.com/news/news-details/2026/Flex-Completes-Acquisition-of-EPC-Power-Expanding-Power-Conversion-Capabilities-for-AI-Data-Centers-and-Grid-Applications/default.aspx) (Flex, UPS & Power Distribution): EPC Power joins Flex's Cloud and Power Infrastructure segment, adding grid-forming and 800V data centre power conversion technology.
- 2026-10-13: [Schneider Electric launches Motivair WCDU combining liquid and air cooling](https://www.clubitc.eu/2026/10/13/schneider-electric-launches-new-motivair-coolant-distribution-unit-integrating-liquid-and-air-cooling-for-more-flexible-data-center-deployments/) (ClubIT&C, CDUs & Direct Liquid Cooling): CDU designed to integrate with fan walls for hybrid air/liquid AI data halls.
- 2026-10-13: [Endure Critical Solutions acquires Precise Power's UPS services division](https://www.prnewswire.com/news-releases/endure-critical-solutions-expands-southeast-ups-and-battery-service-capacity-with-precise-power-302907237.html) (PR Newswire, UPS & Power Distribution): Expands vendor-neutral UPS and battery service coverage in the US Southeast for data centres and other critical facilities.
- 2026-10-12: [Trane launches LiquidStack CDU 2.X for AI data centres](https://datacenter.news/story/trane-launches-liquidstack-cdu-2-x-for-ai-data-centres) (datacenter.news, CDUs & Direct Liquid Cooling): Up to 2.5 MW, pre-orders open, shipments from Q2 2027.
- 2026-10-01: [nVent completes $1.75bn acquisition of Maverick Power](https://investors.nvent.com/press-releases/press-release-details/2026/nVent-Completes-Acquisition-of-Maverick-Power/default.aspx) (nVent, UPS & Power Distribution): Adds an engineered power distribution platform for data centres.
- 2026-09-03: [Flex to acquire EPC Power for $4.4bn](https://investors.flex.com/news/news-details/2026/Flex-to-Acquire-EPC-Power-Adding-Leading-Power-Conversion-Capabilities-for-AI-Data-Centers-and-Grid-Applications/default.aspx) (Flex, UPS & Power Distribution): Power conversion for 800V data centre architectures and grid applications.
- 2026-09-02: [Vertiv agrees to acquire UtilityInnovation Group (~$1.45bn)](https://www.vertiv.com/en-us/about/news-and-events/corporate-news/2026/vertiv-announces-agreement-to-acquire-utilityinnovation-group-to-accelerate-time-to-power-for-ai-data-centers/) (Vertiv, Gensets & On-site Power): Microgrid controls, on-site generation and storage orchestration for AI data centres.

## FAQ
- **What is CoolPower Index?** CoolPower Index is an independent, vendor-neutral directory of 64 data centre cooling and power suppliers across 8 categories, including CDUs and direct liquid cooling, immersion cooling, chillers, heat rejection, UPS, switchgear, generators and battery storage (BESS).
- **Who is the directory for?** Engineers, programme and project directors, consultants and procurement teams specifying cooling and power equipment for hyperscale, AI and colocation data centres.
- **How are suppliers chosen and described?** Listings are free editorial summaries written from public information, with each supplier website checked for availability. Rankings and descriptions are never sold.
- **Which companies make coolant distribution units (CDUs)?** See the CDUs & Direct Liquid Cooling category, which lists 13 suppliers such as Vertiv, Motivair by Schneider Electric, CoolIT Systems, LiquidStack.
- **How can a supplier claim or correct its listing?** Claiming a listing and correcting facts is free. Use the Claim or Report a correction buttons on any supplier page, or email hello@coolpowerindex.com. An optional Featured profile ($65/month or $650/year) adds a logo, longer description, products, contact buttons and a labelled Featured spot in category lists.
- **How much does it cost to advertise?** Featured supplier profile $65/month or $650/year. Founding sponsor rates: category sponsor $90/month (standard $165/month), homepage sponsor $175/month including the News page slot (standard $325/month), newsletter sponsor $75 per issue once the briefing is sending (standard $195). Founding sponsor rates are offered to our first sponsors for an initial 3 to 6 months. Standard rates apply once audited traffic figures are published. Prices in USD, excluding VAT. Paid placements are always labelled.
- **Is there a newsletter?** Yes. A weekly briefing on new suppliers, product launches and deals in data centre cooling and power is in preparation. Sign up on the home page to get the first issue.

## Advertising
- Featured supplier profile: $65/month or $650/year
- Category sponsor: $90/month (Founding sponsor rate, standard rate $165/month)
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- Newsletter sponsor: $75/issue (Founding sponsor rate, standard rate $195/issue)
- Founding sponsor rates are offered to our first sponsors for an initial 3 to 6 months. Standard rates apply once audited traffic figures are published. Prices in USD, excluding VAT.
- Details: https://coolpowerindex.com/advertise/ and media kit https://coolpowerindex.com/media-kit/. Advertising contact: advertise@coolpowerindex.com. General contact: hello@coolpowerindex.com

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