I am glad I am the wife. Well, I was. I have mine next to it and the line goes thru a vent.
What a about a rectangular trash can? Tall with small foot print.
Im going to be using one of these oil drain pans as a res as soon as I get a day off to figure out how I want to do it. The one I bought for $10 is 16 or 20 quarts and it was just about $10 US. It has a low profile and is almost ready to go as is.