I did the same thing, located it out of the tent.
I made a plenum, set the AC behind it, so I could exhaust out through a window, after I enclosed it, in foam panels cut and fit.
Because I wanted my cold air to blow in through the top of the tent, I had to do some creative air moving.
As I did that, I found I could connect all 3 of my tents, with the 4’x8’x7’ tent getting the AC. It cooled my tent running 2- 1 K HPS through Cool Tubes.
Then in the fall, I’d suck cold air from outside, and push it through my tents after removing the AC. It was bit clunky but worked a treat.
Then LED’s killed my need of it altogether.
I got pics not great ones if the OP wants to see them.
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