Using a portable AC unit is not only cheaper, it's also less of a hassle.

Luckily, pretty much all the big air conditioner brands are putting out a huge selection, so you can find some budget-friendly options, as well as portable ... This unit is designed to fit windows ...

But if he spends any time outdoors, one thing he'll love is a portable power station, and right now, Walmart has a nice one ... watts of peak power (via the AC outlets), and it includes an array ...