Microsoft Fairwater closed-loop AI campuses

Design Solution · HVAC & Energy

Design Solution · Dream about it

Facility-scale closed-loop liquid cooling filled once at construction; 90%+ of capacity runs on zero operational water, rejected via 172 exterior fan walls.

Facility-scale closed-loop liquid cooling filled once at construction; 90%+ of capacity runs on zero operational water, rejected via 172 exterior fan walls. Moves liquid cooling from rack-level retrofit to whole-building architecture at gigawatt scale; the new Microsoft design standard. Who: Microsoft. Status: First site live Sept 2025 (Wisconsin); Atlanta announced Nov 2025; standard for new builds.

#liquid-cooling #water-free #hyperscale

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