One of my primary objectives when I first bought my Transit was not to make any unnecessary holes. This was one hole there was no avoiding. I chose the MaxxAir Deluxe 7500K – you can run it while it’s raining, it has an automatic 78 degree setpoint, and has electric opening, and comes with a remote control (mine stopped working quickly, see below). All things considered, I still think this (or the 6200k) is the best option for any van. This is something that you can install very early in your build, as the interior trim piece doesn’t have to be installed until you’re ready.... Read the rest