I will be putting a 200 watt windmill for battery charging in at my very remote cabin and I think an item like this will work well in freezing tempuratures as the cabin is in northern Minnesota and not heated in the winter unless occupied.  Other regulators have digital displays and other electronics and I worry they may fail in -20 degrees F.

I'm not sure what size of dump load to put in place however.  I think a 12V 500 watt light or heater load should be OK. I want to get it right because I can be away for weeks at a time.