If you get an expensive one with both in and out ventilation through the window it can be good. But you’re spending a lot more than just a window AC at that point. The cheap ones actually vent your cold air outside.
I got a couple of $150 cheapo units at the big box stores to supplement our central air during heat waves, have been just fine. 5k or 6k BYUs at least.
Claude can spit out powershell scripts up to like, 400 or 500 lines without errors or with minimal, easily debugged errors. Adds things like error correction, colored text, user interaction, comments the code pretty well. Saves me hours every time I fire it up, so that I can in turn save myself dozens of hours with the scripts themselves.
But as far as I tell my boss, there is no AI use, and that's how we're keeping that for now/indefinitely