PUE for orchestrated hybrid liquid/air cooling in the CIBSE liquid-cooling CPD module
~1.2estimate
| Value kind | estimate — Interpret this value according to its displayed kind, scope, source, and as-of date. |
|---|---|
| Scope | Published example for hybrid liquid/air plants, not a measured architecture-wide range. |
| As of | 2025-10 |
| Source | CIBSE Journal, CPD Module 254: Liquid cooling in data centre applications, October 2025 (month known; day set to the first): orchestrated hybrid liquid and air cooling can reduce PUE to around 1.2, with some operators aiming lower; advanced liquid-cooled facilities reach 1.05 to 1.15. |
| Review | checking…review by 2027-03-08 · standard cadence |
| Recorded changes | last 2026-09-16 |
| Claim id | p2b-15-2-cibse-hybrid-pue |
Where the guide uses it
← Full numbers register — every date-stamped figure in the guide, with revision history.