This mainly concerns: how do I keep it cool inside, and how do I reduce the noise level.
A difficult object to insulate with all its thermal bridges.
And even if you insulate everything, including the bottom, rear doors and front doors, you still get to only 50% of the total surface.
Of course you do, but a small ceramic heater will keep you comfortably warm in no time.
To keep it cool, purchasing a white or light-colored van is the most efficient.
In addition, moisture is the great enemy of the bodywork and incorrect insulation can even have the opposite effect.
Maybe we can give you some tips.