Best bang for buck a/c for new 16x80

Any recommendations? Thanks!

I guess this is in a cold climate otherwise would have come with one from the factory?

Anyway, I’d get new window units if you’re looking to do cheap and effective. Next option would be a 3-4 duct mini-split AC if you want to keep the windows clear.

Yep cold climate. Seems most dealers go with one of these: