John Doe wrote:

Nevermind, it's out of the window, in a safe spot still quietly
hissing. I suppose it's the Freon. Time to buy a new unit, next summer.

If it's a nice unit, you might want to throw a rubber sleeve and hose clamp
on the hole. Just to keep contaminants and corrosion out of the works once
it stops hissing. It might improve the odds of having it repaired and
recharged if you are going to leave it sitting for a while.

--
Paul Hovnanian
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I love guns. Its bullets that I can't stand.