Do they still make metal, tower A/C's that you leave in the window year 'round?

I want to purchase a new A/C that I don’t have to take out once it’s installed. I’d like to have one that has the exhaust feature so that when you’re not using the machine for cooling, you can suck the stale air outside, but am having trouble finding one. Anyone have suggestions?

Google “casement window air conditioners.”

That might help.

What is a ‘tower’ AC?