Looks interesting. For us, we full time and spend a lot of the winter in NM with the freezing nights and at times high winds. We've never had an issue, we just run the furnace and don't worry about it. If we were dealing with constant below zero temps we might be looking at something like that.
Dick, Joyce, Diego, Picatso and Gustav
2017 3720 RL, MorRyde pin box
2017 3500 Dodge Maxi DRW 4X4, Pullrite Hitch, IS, Disk Brakes, 3rd AC, Winegard Traveler, Bathroom door mod, Dometic 320, couch for desk swap, etc.