One issue is the propane regulator, it may very well freeze, we have had that happen and of course things don't get warmer. (The Dakotas 2015, that was 41 below zero, we hit the motel.)
Our other problem in very low temperatures was a freezing water line, added a 12v 2" computer fan and that circulate heated air to the right location.
Tanks, we will put in window washer fluid or the non toxic anti freeze.
People stay in mobile homes in these sever low temperatures, no reason that a TC cannot do it with the proper set up. If electricity is available I would use it for heating and cooking--no flame and put insulated covers over the TC, like are used to insulate concrete.
Its still cold.
Good Luck.
