Hopefully someone here knows about window a/c units and how they work. I want to go out of town for a couple days. My window a/c unit has a drain plug that I have been taking out to drain the unit every morning and then maybe once or twice after that around mid day and at night. If I am out of town I won't be able to do this, so I am wondering what I should do. Should I leave the plug out and just let the water drip? Or should I leave it in? Or am I screwed and not able to go out of town?