COLD WEATHER ISSUES

[DKoKoMan]

I'm not too sure, you would need some serious circulation to keep the water from freezing in the barrel. As far as heat goes, I'm not sure if you can get away running a heater as the heat loss would be significant and the heater would run nonstop.

I'm sure some of the reefer gurus will come up with some alternatives if this cannot be accomplished.