Data Centers Cooling Technology Development
Liquid and Refrigerant based Cooling Technologies
Energy‑efficient, closed‑loop liquid and refrigerant based cooling for GPU clusters, high‑density racks and hyperscale data centers looking to optimize energy consumption
Data Centers Cooling Technology Development
Liquid and Refrigerant based Cooling Technologies
Modern data centers, with the escalating proliferation of AI workloads and high-performance computing (HPC), are pushing the boundaries of conventional cooling methodologies.
Obrist Cooling Solutions for data centers enables higher heat flux removal, higher supply temperatures and better PUE reduction, while preparing facilities for racks with 300 kW and beyond. Increase chip lifetime and operation frequencies. and minimize environmental impact.
How can we help your company?
Prototype development (A- and B-sample)
Rapid transformation of concepts into tangible prototypes, accelerating time-to-market and enabling early customer validation.
System layout & simulation
Virtual validation before physical build to reduce development errors and optimize system design.
Component design expertise
Specializing in heat exchangers for efficient thermal transfer, pumps for reliable circulation, leak-tight fitting technology for high sealing integrity, and low-cost piping for system cost reduction without compromising quality.
Control logic development
Smart regulation for maximum efficiency, leading to energy savings and enhanced user experience.
Technical
SPECIFICATIONS
Chemical and Natural Refrigerant cooling promises to redefine efficiency and reliability in data center thermal management
PFAS free refrigerant cooling
Our pumped 2-phase cooling system allows higher cooling capacities than coolant based solutions
Superior heat transfer rates
Achieves higher heat transfer rates than modern water cooling, providing superior thermal performance in compact spaces, ideal for high-performance computing GPUs, CPU server clusters, and future AI workloads.
High cooling capacity
Capable of up to 20kW per unit – tray cooling capacity, making it ready for future high-power applications and ensuring full performance without thermal throttling.
Highest packaging density
Allows for highest packaging density for next-gen rack units, enabling more compute power per rack without infrastructure changes.
No water inside server nodes
Eliminates fluid-related failure risks, ensuring reliable 24/7 operation.
Sustainable and globally applicable
Future-proof against upcoming regulations by using natural refrigerants, providing an eco-friendly and compliant solution.
IP-Protected technology
Our exclusive know-how and two-phase cooling design give you decisive differentiation in an increasingly commoditised hardware space.
Maintenance-free at node level
Features a lifetime fill, meaning no service interventions are required, leading to minimal operating costs.
Fast and easy exchange at rack level
Facilitates quick hardware replacement, reducing downtime and enabling efficient servicing.
Cooling capacity per rack
Up to 300 kW and above per rack, depending on configuration (direct‑to‑chip only, RDHx, or hybrid), ideal for AI data center cooling solutions and data center cooling for high density racks.
Hydraulic design
Optimized volume flow per loop to reach high heat transfer coefficients without entering erosion‑critical velocity ranges for Ni‑coated copper channels, based on the limits indicated in the HTC and Pump power curves.
Closed loop architecture
Fully sealed closed loop liquid cooling on the IT side, compatible with water‑glycol, minimizing leak risk and enabling ‘unbloody’ service operations.
Monitoring & control
Sensors for flow, temperature and pressure per loop, ready for integration into DCIM/BMS to track energy consumption reduction cooling, PUE and OPEX savings in real time.
Technology
BENEFITS
Significant energy savings
Experience up to 80% lower energy consumption compared to air cooling and 50% compared to water cooling, leading to substantial savings on operational expenses (OPEX reduction cooling) and improves data center PUE.
Maximized compute power
Achieve the highest packaging density for your server racks, allowing for more compute power per rack, which is essential for managing demanding AI workloads and increasing rack density.
Excellent noise behaviour (NVH)
Enjoy excellent noise behaviour, ensuring quiet operation even under load, suitable for noise-sensitive environments.
Enhanced reliability and uptime
Eliminate bulky air handlers, reduce cooling equipment footprint by 60-70%
Reduced Total Cost of Ownership
Benefit from maintenance-free operations, low transition costs due to downward compatibility, and significant energy savings, all contributing to a favourable liquid cooling ROI.
Environmental friendliness
Our PFAS-free and waterless solution utilizing natural refrigerants, contributes to a green data center strategy and helps in carbon footprint reduction, aligning with global sustainability requirements.
Improved efficiency lowering PUE
Direct heat removal enables efficient thermal transport and supports measurable reductions in cooling overhead.
Operational confidence
Better performance with PFAS free coolant solutions vs immersion cooling.
Rapid ROI: 15-40% energy savings with 2-4 year payback periods depending on electricity costs
Scalable and high‑density racks
Modular design supporting phased deployment from single racks to full data center conversion.
Simplified Maintenance: Water-glycol systems utilize familiar maintenance procedures and readily available components
Sustainability alignment
Closed‑loop designs reduce operational waste, energy consuption and support ESG‑driven efficiency goals (ESG, EU Green Deal)
Obrist
EXPERTISE
With over 25 years of experience in automotive systems and thermal management, we possess deep industry knowledge and a comprehensive understanding of complex systems.
Our commitment to pioneering solutions is reflected in our extensive intellectual property, with over 550 patents in total and more than 220 active. We are a trusted partner for innovative and production-ready solutions, specializing in natural refrigerant CO2 reduction technologies.