We’re setting up a box van to be our cook trailer tow vehicle, and it will have a 7×7 walk-in reefer built into part of the box. The box is 16′ so we will also have lots of ‘dry’ storage for any additional supplies, food, pans, etc.
We were debating whether to go ‘mobile refrigeration’ route, like a delivery truck would use, then decided to go the route the previous owner used – that is, install a 115v 3/4hp indoor reefer unit with a one-fan evaporator in the box. Since the whole box section has 4″ of insulation on all walls, ceiling and floor, we should easily hold at 40 degrees or less.
With 115v we can run on the road with an RV-style Onan built-in generator, or plug into any electrical service on location. Since few places have 220v this setup is ideal for any small event, even backyard catering!
The entire setup will cost less than $2,000 including install, since we are buying used stuff off eBay. I know guys who have that much just in ice chests! 🙂