Not sure specifically what unit your talking about, but the ductless units are typically fixed outside of the house, not usually on the window itself. And then a hole is drilled through the house to provide the cooling/heating to the headless unit inside the room. This also eliminates the need to insulate like crazy around a window unit like you’re talking about.

I swear the titles given nowadays can just be random words they threw together and called it a day

assistant-upper-middle-deputy-manager

With the amount of admin bloat in most government and education sectors I honestly wouldn’t even be surprised at this point if that was someones legit title.