Is It Difficult to Maintain Water Coolers?

Water coolers are generally pretty low-maintenance. If you're going for an AIO, just keep it clean from dust and change the thermal paste every now and then. You can turn it off while you’re away, and they’re usually fully sealed, so you shouldn't have to worry about much unless you go for a custom loop setup.

Honestly, I'd stick with an AIO unless you're really into overclocking or something. They're easy to manage, but just keep in mind that the pump can fail eventually. I used one for a bit, and it worked well until the pump started acting up.

I'd recommend sticking with a good air cooler. To me, the hassle and extra potential points of failure with an AIO isn't worth it. I've had a pump fail on a water cooler before, but with air coolers, I've only had one fan go out in over two decades. Just something to think about!