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Old 02-14-2021, 10:20 AM   #2
DutchmenSport
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Join Date: Oct 2018
Location: Anderson
Posts: 2,587
M.O.C. #22835
Are you running your furnace or depending upon electric heater supplements inside the coach. These Montana's rated to zero degrees, depend on the furnace running. There are some air ducts actually run in the underbelly area to keep things from freezing. But, if the furnace does not run, there's no heat going down there.

We have used our Montana successfully to 10 degrees now and everything was fine. But, we were also running through a 30 pound propane tank about every day too. It seems about 40-45 percent of the heat from your furnace is designed to blow under the floor. Thus the 4-season, good to Zero Degree promotion on these Montana's.
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