A:AnswerDifficult to say... look at photos Best Buy has & know the shelves inside come out....
inner deepest middle: approx 14 inches
inner l to r: 15.5 approx inches
A:AnswerIf I had to choose only one of these two then it's New Castle all day. The skunkiness of the Heineken can be unbearable. I'd guess you could maybe squeeze a case in here. Probably easier if they were in cans.
A:AnswerI would be careful using it with an inverter unless you're using pure sine wave inverter. The pump fully relies on the frequency wave for its performance.
A:AnswerI'm sorry no it will not hold a 5-gallon container even on the side perhaps if you took out the small rack but I don't think the door within close