Here is the winterizing thread:
http://www.thorforums.com/forums/f8/...ific-2448.html
I would imagine that in the Atlanta area you wouldn't have to go through as much effort to winterize--especially if you could leave it plugged in all the time.
Ok from here:
https://www.sercc.com/climateinfo/hi...al/mean32.html
Looks like you get about 45 days below freezing December - February. Thus winterzing would be necessary around those months.