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Learn how to optimize data center cooling strategies for sustainability and resilience in this 15-minute conference talk from the Open Compute Project. Explore an hourly, climate-responsive model that evaluates various external heat rejection systems including air-water-cooled chillers, dry and adiabatic coolers, evaporative systems, and hybrid cooling across both dedicated and shared loop designs. Discover how higher liquid cooling setpoints can improve chiller performance and expand free cooling opportunities, while understanding the trade-offs between evaporative systems' higher cooling efficiency and their water-intensive nature that limits viability in arid regions. Examine dry and adiabatic systems as more water-conscious alternatives with acceptable performance levels, and gain insights into linking system design, operational parameters, and climate data for developing low-carbon, resource-efficient data centers. The presentation also explores heat reuse as part of long-term sustainability strategies, addressing the critical challenge of cooling AI workloads that drive rising energy demands in modern data centers.
