Quote Originally Posted by saltysack View Post
I use only a large xtherm during winter but curious if and how much a car sun shade really does when using a high R value pad like the xtherm.....I actually pulled a car sun shade out of my neighbors trash a few weeks back......work carrying? Yea I understand pads leak or pop so is it mainly back up insurance?


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I'm pretty sure those car sunshades are only R1 or something low like that. 1/2" thick foam pad is R2.

Quote Originally Posted by Sandy of PA View Post
After Georgia comes the Smokys, that is where you will need to be ready for the cold due to elevation.
still sub freezing temps in April. Can snow in May.