Guest Bio
Zach Dominique is the Global Director of Data Center Sales at Danfoss. He has over a decade of experience in engineering product development and management.
Episode Summary
Zach Dominique, Global Director of Data Center Sales at Danfoss, discusses liquid cooling and thermal management in data centers, with a focus on hydronic balancing and heat reuse.
Main Points
- Danfoss’s Approach & Expertise: Zac Dominique explained Danfoss’s long history in water-based thermal management, highlighting their unique position in liquid cooling for data centers due to decades of experience and co-innovation with hyperscalers and chip designers. (3:02)
- Benefits of Liquid Cooling: Liquid cooling reduces energy consumption by 15-20% compared to air cooling and supports higher rack densities, which is crucial for AI and high-performance computing workloads. (3:45)
- Hydronic Balancing & Innovation: Zac emphasized the importance of hydronic balancing—efficient management of coolant flow across servers. Danfoss’s “Cool Train” valve train solution was introduced to optimize flow and prevent energy waste from over-pumping. (6:07)
- Collaboration & Co-Creation: Danfoss works closely with hyperscalers, chip designers, and OEMs, engaging early in design cycles to influence and align their technologies with evolving industry needs, especially for AI infrastructure. They also contribute to the Open Compute Project to advance liquid cooling standards. (10:20)
- Heat Reuse Applications: Danfoss views excess heat as a valuable resource. In Europe, data center heat is already used for district heating. Zac noted Danfoss’s own headquarters uses recovered heat for campus energy, and discussed challenges and opportunities for heat reuse in North America, including potential for supporting local industry and agriculture. (15:17)
- Future Outlook: As liquid cooling becomes more widespread and coolant temperatures rise, heat recovery and reuse will become increasingly practical and important for both efficiency and community benefit. (16:12)
Links
Learn more about liquid cooling and Danfoss solutions supporting data center efficiency: https://www.danfoss.com/en/industries/buildings-commercial/shared/data-centers/#tab-overview
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