INSTEAD OF WINTERIZING MY 27 FT CLASS C THIS WINTER, I'M WONDERING IF MY OIL RADIATOR HEATER WOULD KEEP THE WATER LINES FROM FREEZING. IT GETS BELOW FREEZING A FEW TIMES IN THE WINTER
Prescott weather stats above. Avg. low temp in January....21 degrees. This means many nights considerably colder (and warmer). Personally I'd winterize during deep winter months.