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Liquid to Air Coolant Distribution Units (CDU) Market Report：the market size is projected to grow from USD 374 million in 2024 to USD 1,218 million by 2031
Coolant Distribution Unit (CDU) is an essential component in liquid cooling systems that distribute coolant or water evenly throughout the system. The CDU regulates and controls the flow of coolant, maintaining the desired temperature and flow rate. It works in conjunction with pumps, radiators, heat exchangers, and control units to ensure the cooling system runs smoothly and efficiently. The CDU also helps keep the system clean by removing impurities from the coolant, preventing clogging and damage to other components in the system. Overall, the CDU plays a critical role in maintaining the proper functioning of liquid cooling systems. Many facilities are not designed for system-wide liquid cooling, so Liquid to Air CDUs provide the benefits of liquid cooling without the full-scale implementation of facility water.
Liquid to Air CDUs, on the other hand, serve as a viable solution for edge computing sites, small-scale data centers, and locations lacking chilled water infrastructure. By transferring heat from the liquid side to the ambient air through air-cooled heat exchangers, these systems offer standalone thermal management without the need for complex plumbing. Their compact form factor and flexibility make them particularly suited for retrofit scenarios and remote installations. As liquid cooling extends from centralized data centers to distributed edge environments, the role of Liquid to Air CDUs is becoming increasingly pivotal. Future product innovations are expected to focus on noise reduction, energy efficiency, and compatibility with standardized liquid cooling interfaces, thereby addressing the operational constraints of diverse deployment landscapes.
According to the new market research report "Liquid to Air Coolant Distribution Units (CDU) - Global Market Share and Ranking, Overall Sales and Demand Forecast 2025-2031", published by QYResearch, the global Liquid to Air Coolant Distribution Units (CDU) market size is projected to grow from USD 374 million in 2024 to USD 1,218 million by 2031, at a CAGR of 18.3% during the forecast period.
Figure00001. Global Liquid to Air Coolant Distribution Units (CDU) Market Size (US$ Million), 2020-2031
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Source: QYResearch, "Liquid to Air Coolant Distribution Units (CDU) - Global Market Share and Ranking, Overall Sales and Demand Forecast 2025-2031”
Figure00002. Global Liquid to Air Coolant Distribution Units (CDU) Top 8 Players Ranking and Market Share (Ranking is based on the revenue of 2024, continually updated)
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Source: QYResearch, "Liquid to Air Coolant Distribution Units (CDU) - Global Market Share and Ranking, Overall Sales and Demand Forecast 2025-2031”
This report profiles key players of Liquid to Air Coolant Distribution Units (CDU) such as Vertiv, Delta Electronics, Envicool, Boyd, etc.
In 2024, the global top three Liquid to Air Coolant Distribution Units (CDU) players account for 54% of market share in terms of revenue. Above figure shows the key players ranked by revenue in Liquid to Air Coolant Distribution Units (CDU).
Market Drivers:
The growth of Liquid to Air Coolant Distribution Units (CDUs) is primarily driven by the increasing demand for deployable, infrastructure-independent liquid cooling systems, particularly within edge computing environments. As distributed data processing nodes proliferate, the need for standalone thermal management solutions that do not rely on centralized chilled water systems becomes more pressing. Liquid to Air CDUs offer a flexible, plug-and-play approach well-suited for compact installations.
Restraint:
A key limitation lies in the relatively lower cooling efficiency of air-side heat exchange compared to liquid-to-liquid counterparts, which makes Liquid to Air CDUs less suitable for ultra-high-density thermal loads. Their performance is also constrained in environments with poor ventilation or high ambient temperatures, limiting deployment in certain geographic or architectural conditions.
Opportunity:
The rising prominence of modular data centers, AI inference nodes at the edge, and remote unmanned sites creates substantial growth opportunities for Liquid to Air CDUs. Their compact footprint, standalone operation, and ease of integration make them an attractive option for mission-critical deployments in sectors such as energy, transportation, and defense. As technological advancements improve noise suppression, intelligent control, and remote diagnostics capabilities, these units are well-positioned to act as a bridge solution in the broader adoption of liquid cooling, offering a low-barrier, maintenance-friendly cooling strategy for diversified application scenarios.
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