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Vertiv Announces High Capacity, Free Cooling Chillers for General Compute and AI High-Density Data Centers in North America

November 27, 2023

Vertiv™ Liebert® AFC Chiller is available in standard, direct free-cooling and indirect free-cooling models, with capacities ranging from 900 to 1800kW

Columbus, Ohio [November 27, 2023] – Vertiv (NYSE: VRT), a global provider of critical digital infrastructure and continuity solutions, today announced availability of the Vertiv™ Liebert® AFC Chiller, a high-density outdoor, packaged free cooling unit that provides capacities required to support general compute and enable future-friendly solutions to adapt to hybrid data centers deploying liquid cooling applications common in AI and high-performance compute. The Liebert® AFC extends Vertiv’s chiller offering and complements the thermal management portfolio that includes direct-to-chip, immersion, rack, row, room, and heat rejection technologies. The Liebert AFC chiller has been available in EMEA since 2018 and is now available for order in North America.

Data center chillers are a key link in the overall thermal management chain for chilled water cooling systems. Chillers provide the heat rejection loop to control and manage the chilled water that is used to reject heat collected at any level of the data center, from the room down to the chip. The Liebert AFC chiller is an integral part of the overall Vertiv solution to simplify data center deployment and management. By pairing the Liebert AFC chillers with Vertiv™ chilled water data center room cooling products such as the Vertiv™ Liebert® CW chilled water cooling system, Vertiv™ Liebert® CWA thermal wall, and custom chilled water systems, operators can address the cooling needs of colocation and cloud data center applications.

“Free cooling chillers have long been part of our EMEA portfolio, with heavy adoption in the region. The addition of the Liebert AFC chillers to our North America chiller portfolio significantly increases our ability to deliver end-to-end thermal solutions, positioning Vertiv to better solve the challenge of increased complexity within the data center,” said John Niemann, SVP of the global thermal line of business at Vertiv. “In addition to other global sites, we are adding manufacturing capacity to produce chillers in the Americas to meet the unique demands of the market.”

As a packaged solution, the Vertiv™ Liebert® AFC chilled water cooling system, Vertiv™ Liebert® CWA is designed for energy-efficient operation of data centers or processes, offering free cooling operation with higher supply/return water temperatures. Key efficiency components include Vertiv™ Liebert® iCOM™ controls for precise temperature regulation, high efficiency EC fan motors, oversized free-cooling coils for improved heat exchange, and optional inverter screw compressors. The system uses low Global Warming Potential (GWP) refrigerant, with options including R513A, R1234ze, and R515B.

For more information on the Liebert AFC chiller or other Vertiv™ Liebert® liquid cooling solutions, visit 

About Vertiv

Vertiv (NYSE: VRT) brings together hardware, software, analytics and ongoing services to enable its customers’ vital applications to run continuously, perform optimally and grow with their business needs. Vertiv solves the most important challenges facing today’s data centers, communication networks and commercial and industrial facilities with a portfolio of power, cooling and IT infrastructure solutions and services that extends from the cloud to the edge of the network. Headquartered in Westerville, Ohio, USA, Vertiv does business in more than 130 countries. For more information, and for the latest news and content from Vertiv, visit 

Forward-Looking Statements

This release contains forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995, Section 27 of the Securities Act, and Section 21E of the Securities Exchange Act. These statements are only a prediction. Actual events or results may differ materially from those in the forward-looking statements set forth herein. Readers are referred to Vertiv’s filings with the Securities and Exchange Commission, including its most recent Annual Report on Form 10-K and any subsequent Quarterly Reports on Form 10-Q for a discussion of these and other important risk factors concerning Vertiv and its operations. Vertiv is under no obligation to, and expressly disclaims any obligation to, update or alter its forward-looking statements, whether as a result of new information, future events or otherwise.


Sara Steindorf
T +1-314-982-1725

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