It's almost certainly Google, since they've historically ran their data centers hotter than most [0]. Cooling efficiency increases with a higher delta-T to the

It's almost certainly Google, since they've historically ran their data centers hotter than most [0]. Cooling efficiency increases with a higher delta-T to the working fluid, and Google uses a gigawatt or two continuously [1]. From PUE numbers that's hundreds of MW spent on cooling, so making it more efficient is quite worth it. [0] https://www.google.com/about/datacenters/efficiency/ https://www.google.com/about/datacenters/efficiency/ [1] https://www.cnbc.com/2022/04/13/google-data-center-goal-100percent-green-energy-by-2030.html https://www.cnbc.com/2022/04/13/google-data-center-goal-100p...