Clearly, someone couldn't find their koozie.
AC what you did there...
And short people, apparently.
Apparently window air conditioning units don't need windows anymore. Maybe they're actually sucking cool air from the restaurant into the hot kitchen. Or maybe they're just dumb. Whichever is more likely.
The old saying says "you've got to do what you've got to do." I submit proof to you that this saying is false.