Maintaining uptime and advancing sustainability through cooling management
The rise of artificial intelligence (AI) and high-performance computing (HPC) is driving data center server rack densities to unprecedented levels. These powerful AI clusters generate substantial heat due to intense processing demands, making traditional air cooling increasingly insufficient.
To meet these demands, data centers are adopting advanced liquid cooling and immersion cooling technologies that offer superior thermal management and energy efficiency. But these new technologies necessitate new considerations for safety, material compatibility and fire risk.
Data centers also face pressure to reduce water consumption, prompting the shift from evaporative cooling to water-positive or closed-loop systems . Third-party certifications for water efficiency and sustainability attributes are emerging as key market differentiators.
UL Solutions offers comprehensive services for air and liquid cooling technologies — including testing, certification and Marketing Claim Verification. We help manufacturers demonstrate compliance with applicable standards, inspire trust in their marketing claims, meet market access requirements and align with data center owner and tenant expectations — empowering data center operators to adopt next-gen cooling with confidence.
Overcoming data center cooling challenges
Rising cooling demands
As rack densities rise, traditional air cooling can no longer meet demands of modern workloads.
Adoption of advanced liquid and immersion cooling technologies
Direct-to-chip and immersion cooling technologies introduce new safety, material compatibility and fire risk considerations, requiring updated standards and certifications.
Escalating energy costs
Cooling is the second-largest operational cost in data centers
Water usage and sustainability concerns
Third-party certification is emerging as a key differentiator.
10,000+
HVACR customers served, certifying over 60 million units annually — helping the industry meet the surging data center demands.
40%
Of data centers’ total energy use is attributed to cooling, making it data centers’ second‑largest operational cost.
(Source)
>100 kW
Rack densities typical of AI/HPC environments.
(Source)
35 GW
Anticipated data center power consumption in the U.S. by 2030, roughly double the 17 gigawatts used in 2022.
(Source)
63%
Estimated data center energy efficiency in 2023, highlighting the importance of efficient thermal management.
(Source)
Meet our experts
“I believe that every technological breakthrough should be anchored in safety, sustainability and real-world impact. That’s how we build lasting trust.”
Prachi Kumar
Vice President, Principal Engineering, Consumer
Offerings for air cooling
HVACR performance testing and certification services
Our capabilities include control verification procedure, load-based testing, sound testing, Ecodesign and KEYMARK testing and certification, Marketing Claim Verification and custom R&D testing.
Residential and commercial air conditioning
Build stakeholders’ confidence with low-GWP refrigerant and smart device testing and certification, Environmental Claim Validation, AI algorithm reproducibility Marketing Claim Verification, and more.
Testing, certification and advisory for low-GWP refrigerants
We offer robust testing, certification, Marketing Claim Verification, advisory and training services — including certification for coolant distribution units using refrigerant liquid.
Additional offerings
Services supporting liquid cooling
Data center immersion cooling certification
We offer a safety certification program for immersion cooling hardware, insulating liquids and installed IT equipment.
Immersion cooling fluids testing and certification
Test the performance properties of immersion cooling fluid and certify it for use with information and communication technology equipment.
Optimize cooling for sustainable high-density operations
Implement advanced cooling technologies that meet evolving requirements.
More offerings for data center cooling
Integrated and redundant power supply for data centers
Demonstrate the safety, performance and compliance of data center power systems and components with testing, certification, field evaluation and verification.
More secure ICT and computing infrastructure for data centers
UL Solutions offers comprehensive testing, certification and advisory services for network infrastructure, IT hardware, cybersecurity and smart building systems.
Safer and more secure built environment for data centers
Our testing, inspection, certification and advisory address risks facing modern facilities, from fire and extreme weather to physical and cybersecurity threats.
Enhanced operational efficiency for data centers
Our services and software support modular data center certification, system integrator training, sustainability, market access, supply chain transparency and more.
Additional insights for data center cooling
Our Data Center Offerings
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Our Data Center Offerings
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Safety Certification of IT Equipment Cooling in Data Centers
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