Staying in Coach in Montana Winter
I have need to reside in my coach this winter in the Bitterroot Valley south of Missoula, or in Missoula. I have located a couple of parks who are open in the winter. Both parks require/suggest having...
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Since you are dealing with a Class A motorhome it is unlikely that skirting would do much of anything in the way of keeping you warmer. If you are going to keep the propane heat running at all time when the outside temps are below freezing you will also keep you wet bays warm enough to prevent freezing. However, adding a couple of 150W light bulbs or a small electric heater in that bay can offer some added protection. Often, simply cracking a roof vent ever so slightly can dramatically aide in the reduction of moisture inside the RV. If you have one near the shower that works well. Cooking will also create a lot of moisture in the RV so if your hood vents outside this will be an advantage. If not, open a vent to let the moisture out. You will likely only see moisture accumulate on the glass as the walls should be insulated well enough to prevent condensation. You can use a squeegee on the glass with a towel to catch the water or use a bunch of paper towels or rags to wipe them dry.
Assuming you have good 50 amp service, you will be able to keep some electric heaters in the coach which helps with humidity and cuts down on your propane costs. However, this means that you MUST put some electric heat in the wet bays as the propane heater will not be keeping those areas from freezing. If your fridge has an ice maker, make sure there is not an exposed water line in the back. If there is you are going to need to keep something in that space (or insulate the line) to ensure that stays warm at all times as well.
I spent last Winter in Detroit in a Prevost Bus conversion but had the advantage of diesel heat so the moisture was not as bad as you will find with propane heat but I still had to deal with all of the same issues. We easily survived the terrible cold but it cost us about $700 in diesel fuel to keep it cozy.
Assuming you have good 50 amp service, you will be able to keep some electric heaters in the coach which helps with humidity and cuts down on your propane costs. However, this means that you MUST put some electric heat in the wet bays as the propane heater will not be keeping those areas from freezing. If your fridge has an ice maker, make sure there is not an exposed water line in the back. If there is you are going to need to keep something in that space (or insulate the line) to ensure that stays warm at all times as well.
I spent last Winter in Detroit in a Prevost Bus conversion but had the advantage of diesel heat so the moisture was not as bad as you will find with propane heat but I still had to deal with all of the same issues. We easily survived the terrible cold but it cost us about $700 in diesel fuel to keep it cozy.
