For most commercial use, you're talking about refrigerated racks. They exist, but they're pretty niche. In a typical data center, all this does is decentralize

For most commercial use, you're talking about refrigerated racks. They exist, but they're pretty niche. In a typical data center, all this does is decentralize your cooling. Now you have many smaller (typically less robust) motors to monitor and replace, and many drain lines much closer to customer equipment and power. Those units take up a lot more space, too, because of the insulation.