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7 July 2025

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Think Piece: Advanced cooling systems to drive data center growth

As the global demand for data continues to rise, so does the pressure applied on data centers to deliver reliable, fast and more energy-efficient services with the lowest OpEx possible.

Behind every high-performance data center, there is the critical element of the cooling infrastructure. Now, more than ever, advanced data center cooling systems are playing a fundamental role in facilitating data center growth.

In short, data center cooling has become the strategic enabler of growth.

Data center cooling demands

With data traffic forecasted to more than double by 2026, data center operators are rapidly scaling their rack capacity. This growth cannot be sustained by inefficient and unreliable cooling infrastructure. Not only can it not meet the increasing demands of data center growth, failing the end-user and clients alike, but it will also fail the planet. Cooling accounts for 30-50% of a data center’s energy usage. With efficiency regulations getting tighter and the moral responsibility to do more with less, sustainable cooling solutions are the only way to support the booming data center industry long-term.

Many cooling methods are unsuitable for scale, failing to meet efficiency regulations, handle the increasing rack densities or be able to perform in high ambient conditions. Hyperscalers and colocation providers are looking for advanced cooling solutions with technology that reduces energy consumption, facilitates scalability, while delivering optimal and reliable performance in the most challenging environments. At Excool, that’s what we do best.

Creating a path to energy efficiency

Excool has been a trailblazer of precision data center cooling engineering for 15 years, designed to deliver maximum performance with minimum environmental impact.

The Excool Zero offers a highly efficient approach to data center cooling. The indirect evaporative cooling uses a flow rate and high evaporative rate for optimised water usage, while the use of water reduces the unit’s energy consumption. The Zero is also compact and requires significantly less cooling infrastructure, reducing carbon emissions and unnecessary materials. By installing the Zero, it allows facilities to significantly reduce or even eliminate mechanical cooling for the majority of the year, even in hot and humid climates.

Our ModulR line of liquid-cooling solutions are specifically designed for AI and HPC. Our liquid-cooling solutions achieve higher thermal efficiency with lightning-fast control, maintaining a stable fluid temperature while optimising energy utilisation with industry-low PUE (Power Usage Effectiveness). Our direct-to-chip enabled solutions ensure maximum operational efficiency, all while facilitating thermal expansion and scalability.

By minimising both energy and water consumption, we help our clients to lower CapEx all while improving ESG performance, critical for securing investment and winning business.

Hyperscale and edge growth

Alongside high-performance cooling technologies, the demand for hyperscale and edge computing facilities will only increase.

Hyperscale sites more often than not require MWs of cooling capacity that operate at peak efficiency 24/7. Edge deployments need agile IT infrastructures closer to end-users, which are small and space-constrained environments that still require robust data center cooling.

Excool’s modular systems and scalable designs are suited to both these environments, helping clients roll out new capacity quickly and with low CapEx, without compromising on sustainability.

Excool offers adaptability and scale

Cooling systems must be flexible to adapt to the new and often unanticipated demands of the industry. For example, the immediate and widespread deployment of AI workloads meant that existing cooling systems needed to quickly accommodate increasing rack densities and liquid cooling integration.

Excool systems are engineered with flexibility in mind, working with our clients to design the right solution for you now and for decades to come. Bespoke changes can be made even during manufacturing to ensure that the cooling is fit for purpose.

With our in-house research and development testing facility, manufacturing and software development, Excool retains full control over the design and production of the cooling equipment. This allows us to offer rapid innovative and adaptable solutions at any stage.

With everything under one roof, we can anticipate and react quickly to market needs and customer challenges. Whether it’s a custom configuration, a multi-site rollout or a retrofit to improve efficiency, we can support projects from the design all the way through to service and maintenance.

Enabling data center growth worldwide

Excool has combined innovation, commitment and experience to become a trusted name in data center cooling. With sites across Europe, North America, the Middle East and Asia, we are strategically positioned to enable worldwide data center growth.

Excool are proud to be a part of the data center industry’s journey, helping to build a sustainable digital future.

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