What I have learned about cold weather camping . . . . .

magnusfide wrote:
Is there an after-market thermopane for making a rig more winter-worthy?

Back in the day we had a MH with single pane windows we used a 3M window insulation kit. It had double sided tape that I attached to the aluminum window frame then mounted the plastic. It was shrink type plastic that tightened up with a hair dryer. It worked really well, but of course you could open the windows it was on. Pretty easy to remove in the spring and no damage to the window.

Doug