you could insulate your hardtop! check that out. i live in tahoe, 7000ft, and we get cold winters, i also lived in my jeep for a month or so on a road trip through southern BC, and alberta and it would be -14f. no problem sleeping with tons of blankets, but in the AM when the sun hit the hardtop, it would melt my condensation which would drip back on me.
2013 rubi axles. 2.5in RK max travel. coast front DS.. rockhard oil pan and tranny skid plate. xrc 8 comp winch mounted on RR XHD
south lake tahoe california.