Originally Posted By: dweste
I was hoping someone had run across some miracle insulating tarp....

Tarp? What about the electrical options? I think a 12V powered blanket can do the trick. At 25 Watt (quite warm surface) your average car battery should take you through 2-3 nights on a single full charge (45Ah/10h/2A).


Edited by Alex (12/11/09 09:45 PM)