Skoolie House Project - We ain't driving it anywhere. EVER!!!

[CaptSquid]

I live in Arizona, is it possible to insulate a box like that enough so that it's not a microwave?
Or a bus for that matter?

Get a Reefer conex box.
Already insulated and it comes with its own AC.

 

[EastCoastCB]

Shipping container has super strong corners, the center of the top not so much

Your are correct.