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Originally Posted by HemlockHill
Any advice? We had temps of 2 degrees last night and our camper heater 30,000 btu and 5,000 btu electric fireplace 43 foot camper couldn't keep up comfortable temp inside and we had ice and frost in a few areas. It stayed around 58 degrees. We added a couple of 1500 watt heaters and temp improved to 66 degrees. In several places we has ice/frost in the camper and we are extremely worried. I've read that it could be humidity. Any advice for improving warmth and keeping interior frost and ice off wallpaper near corners and top of walls. Thank you.
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There have been lots (and lots) of suggestions on adding heat. Comfortable may require sleeping bags at night and long johns/insulated clothing during the day. Also lots of suggestions on making the RV more insulated. Since you described you RV as 'drafty', locate and block the drafts.
Humidity and ice forming? Ventilation is really your best bet. Open a vent and turn the exhaust fan on low. The benefit of ventilation will exceed the heat loss.
Your breath has a relative humidity of 100% because it is saturated. That is why you can fog up your glasses regardless of the temperature. The moisture from your breath can release as much as 2 litre per day, depending on how fast you are breathing.
When tent camping in the winter and cold temps I leave the flaps open and just zip the netting to keep the snow out. Otherwise, the tent fabric inside will be covered with ice which melts during the sunny time of the day and gets everything wet.
One additional suggestion for a heat source. Put a 20 lb propane bottle with a double heater like the 'Mr. Heater' or 'Buddy Heater'. Get the type with a thermocouple. Keep away from flammable material. Have the heater between you and the open vent.
I know of people that live in tar paper shacks in New Mexico and South Dakota that make out ok... most of the time.