I converted my E250 to a simple campervan many years ago. A couple of things I did that you might find useful in your thinking:
- My powered vent fan is excellent. I used a Fantastic Vent fan, on a single fused circuit. It's been very nice and the only night we were uncomfy due to heat was in Death Valley (104F at 1:00 AM Local).
- I put in another circuit with reading lamps. This is likely the most useful and handy thing I've done. The ones I bought initially are out of production, I've replaced with Wave One Marine Gooseneck LED lights from the large online retailer. They're great.
- I also put a switch on the rear dome light. If you're sleeping and your partner gets up to take care of some midnight business, you really don't need the dome light to come on. A simple switch stops that.
- And lastly, if you think you might need heat, google 5KW Cheap Chinese Heater. They are wonderful, though kinda screwy to retrofit into an Eseries.
- Also, I see a lot of builds with 2x4 stick and 3/4 plywood. That is way overbuilt. Mine is 1/2" ply and 1x4 lumber, much weight (and space) savings and no problem with structural integrity.






















