
Data Center Cooling Economics: Liquid vs Air vs Immersion in 2026
Average rack density jumped 69% year-over-year to 27 kW in 2026, and the NVIDIA B200 Blackwell demands liquid cooling at 1,200W TDP. Jon Moen, who deployed liquid-cooled GPU clusters at MIT, Cornell, and Princeton as USA Technical Director at EKWB, breaks down the complete TCO picture — air, direct-to-chip, and immersion — so you stop letting the wrong cooling choice determine your AI ceiling.
Jon Moen
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