The only way I would have one again would be if it had a door that would slide over it. Years ago I had one in my van that did not have a sliding door. That sun beating down on you got hot, A/C or not. Plus it did leak after a few years.
1990 28' Georgie Boy, 454, 4bbl, Thorley Headers, Recurved Distributor, 8.75 mpg. RVM 76