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Data Center Fundamentals

Cooling & HVAC Systems

Explore the cooling technologies that prevent servers from overheating and optimize energy usage.

What you'll learn

  • Understand heat load calculation
  • Compare cooling technologies (air vs. liquid)
  • Calculate cooling capacity requirements
  • Identify energy-efficient cooling strategies

Lessons

  1. 01Why Cooling MattersUnderstand the physics of heat in data centers and why cooling is a make-or-break system.10 min
  2. 02Air Cooling FundamentalsLearn how Computer Room Air Conditioning (CRAC) and Computer Room Air Handler (CRAH) units work.14 min
  3. 03Liquid Cooling: The Future of High-DensityDiscover how liquid cooling enables higher rack densities for AI/ML and HPC workloads.13 min
  4. 04Free Cooling & EconomizationLearn how data centers use outside air to reduce cooling costs and improve PUE.12 min
  5. 05Cooling Redundancy & FailoverUnderstand how redundant cooling systems ensure uptime even when units fail.11 min
  6. 06The Future of Data Center CoolingExplore emerging cooling technologies: rear-door heat exchangers, two-phase cooling, and more.12 min