First what do you call cold weather camping? it takes some time for water to freeze in tanks and and the piping if it is not below freezing day and night. With that said you heating ducts run thru the underbelly and give off heat and will keep things thawed provided you use the furnace and not space heaters.
Jake my sidekick (yellow Lab) 10/04 - 05/20
2017 RAM 2500 CC 4X4 Cummins Diesel
2016 Flagstaff 26 FKWS
AF&AM & El Korah Shrine of Idaho