There are come guys that did this exact way- or one container in the middle like I am going to do, with open wall contruction out from it for ventilation. It gets unbelievably hot on those container homes like this one here- there are at least two on my farm community alone. Most of thier solar goes to AC LOL. But that looks very nice. I need lots of concrete pad and roof, not much enclosed space. I am going to build an entire room on top of my container that will be sealed and insulated with AC as a man cave. It wil have it's own dedicated solar supply to run a dehumidifier and AC system in a 8x40x8 room.