Data Center Rear Door Heat Exchanger (RDHx) Cooling Market Size, Share & Trends Analysis By Type (Active RDHx, Passive RDHx), By Application (Hyperscale Data Centers, Enterprise Data Centers, Colocation and Retail Data Centers, Others), By Heat Distribution (Open Loop, Close Loop)), by Region, And by Segment Forecasts, 2025-2034.

Data Center Rear Door Heat Exchanger (RDHx) Cooling Market Size is predicted grow at a 5.8% CAGR during the forecast period for 2025-2034.

A data center rear door heat exchanger (RDHx) is a cooling device that looks like a radiator and is installed on the back of a server rack. As hot air leaves the servers, it passes through the RDHx, where heat is transferred to chilled water or another coolant flowing inside the unit. This process cools the air before it re-enters the room, helping to keep the data center at a safe temperature. The global market for data center rear door heat exchanger (RDHx) cooling is expanding significantly as businesses around the world struggle with rising power densities and the increasing demand for effective cooling solutions. For high-density racks, the trend toward integrating liquid cooling is a significant development influencing the RDHx cooling industry.

Data centers are operating more hotly than ever before as compute-intensive applications like advanced analytics, blockchain, and artificial intelligence become more prevalent. Active or passive RDHx systems minimize the need for excessive air handling while enabling targeted cooling by capturing heat right at the rack door. Additionally, cloud and colocation providers are investigating sophisticated fluid distribution networks to optimize coolant flow rates and temperature settings automatically. These networks are frequently paired with real-time monitoring and AI-driven analytics. This level of intelligent automation extends hardware life, reduces power consumption, and supports sustainability objectives. 

However, the general adoption of RDHx cooling may be limited by the complexity of retrofitting and the higher initial expenses. Liquid-cooling systems require major renovations or alterations, such as reinforced floors, fluid distribution lines, or new rack designs, because many existing data centers were constructed around air-cooling infrastructure. Some facilities put off adopting RDHx until it is absolutely necessary because these retrofit procedures can be costly and disruptive to operations. However, there is a new potential in edge data centers and remote colocation facilities, where high-efficiency cooling is preferred due to their smaller footprints and stricter performance requirements. Because RDHx systems reduce the requirement for massive air-handling units, they perform very well in restricted situations. This makes them especially appealing for edge sites that handle workloads that are sensitive to latency, such as IoT analytics and autonomous vehicles.

Competitive Landscape

Some Major Key Players In The Data Center Rear Door Heat Exchanger (RDHx) Cooling Market:

• Boyd Corporation
• Vertiv Holdings Co
• Rittal GmbH & Co. KG
• nVent Electric plc
• Legrand SA (USystems Limited is a subsidiary)
• CoolIT Systems Inc.
• Motivair Corporation
• Delta Electronics, Inc. (Delta Power Solutions is a division/brand)
• Nortek Air Solutions, LLC
• Airedale International Air Conditioning Ltd.
• Lenovo Group Limited
• International Business Machines Corporation (IBM)
• STULZ GmbH
• Attom Technology Corporation
• BEEHE
• Other Market Players

Market Segmentation:

The Data Center Rear Door Heat Exchanger (RDHx) Cooling market is segmented as type, application, and heat distribution. Based on type, the market is segmented into Active RDHx and Passive RDHx. By application, the market is segmented into Hyperscale Data Centers, Enterprise Data Centers, Colocation and Retail Data Centers, Others. By heat distribution, the market is segmented into Open Loop and Close Loop.

Based On The Type, The Active RDHx Segment Is Accounted As A Major Contributor To The Data Center Rear Door Heat Exchanger (RDHx) Cooling Market.

The active RDHx category is expected to hold a major global market share in 2024. To actively improve heat dissipation, active RDHx is outfitted with fans or other systems. These systems work especially well in areas with significant heat loads, such as high-density data centers. Due to their enhanced cooling capabilities and ability to manage increased heat loads, active RDHX systems are gaining popularity. To further improve their effectiveness and attractiveness, these systems are also progressively incorporating smart technology for real-time monitoring and control of cooling parameters.

Diagnostic Laboratories Segment To Witness Growth At A Rapid Rate.

In the data center rear door heat exchanger (RDHx) cooling market, the hyperscale data centers category is expanding significantly due to the quick rise of cloud computing, and artificial intelligence workloads. These data centres generate substantial heat loads due to their extensive infrastructure and high-density computing environments, necessitating scalable and efficient cooling systems. Because RDHx systems can deliver high-performance cooling directly at the server rack level, eliminating the need for complicated room-based cooling and reducing overall energy usage, they are being increasingly used in hyperscale facilities. The introduction of RDHx technology, which aids in obtaining lower power usage effectiveness (PUE) ratings, is also fueled by hyperscale operators' emphasis on sustainability and operational cost-efficiency.

In The Region, The North American Data Center Rear Door Heat Exchanger (RDHx) Cooling Market Holds A Significant Revenue Share.

The North American Data Center Rear Door Heat Exchanger (RDHx) Cooling market is expected to register the highest market share in revenue in the near future, driven by the region's leading IT companies and plenty of data centers. Particularly in the United States, there are some of the largest data centres in the world, which generate a significant amount of heat and require effective cooling systems. Additionally, the growing focus on sustainability as well as energy efficiency is driving demand for RDHX systems in North America. Further driving market expansion is the region's significant emphasis on technological innovation and RDHX technology breakthroughs. In addition, Europe is projected to grow rapidly in the global Data Center Rear Door Heat Exchanger (RDHx) Cooling market. There is a strong demand for RDHx in Europe because of the fast increase in data centre building. The market is growing due to this region's focus on high-density computing and local government incentives for greener facilities.

Data Center Rear Door Heat Exchanger (RDHx) Cooling Market Report Scope

Segmentation of Data Center Rear Door Heat Exchanger (RDHx) Cooling Market-

Data Center Rear Door Heat Exchanger (RDHx) Cooling Market By Type-

• Active RDHx
• Passive RDHx

Data Center Rear Door Heat Exchanger (RDHx) Cooling Market By Application-

• Hyperscale Data Centers
• Enterprise Data Centers
• Colocation and Retail Data Centers
• Others

Data Center Rear Door Heat Exchanger (RDHx) Cooling Market By Heat Distribution-

• Open Loop
• Close Loop

Data Center Rear Door Heat Exchanger (RDHx) Cooling Market By Region-

North America-

• The US
• Canada

Europe-

• Germany
• The UK
• France
• Italy
• Spain
• Rest of Europe

Asia-Pacific-

• China
• Japan
• India
• South Korea
• South East Asia
• Rest of Asia Pacific

Latin America-

• Brazil
• Argentina
• Mexico
• Rest of Latin America

 Middle East & Africa-

• GCC Countries
• South Africa
• Rest of the Middle East and Africa