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Old 12-06-2013, 01:24 PM   #1
jastinjr's Avatar
Join Date: Jan 2013
Location: Indiana
Posts: 68
cold weather and wet windows

We have 04 Allegro mh. We are camping in some cold weather, around low 40's. We are running 2 elect. heater plus our heat pump on our a/c unit. I haven't turned on the lp furnace as it's around 1/2 full and afraid of running out of gas. I notice that our windows have moisture on the inside and running down windows. What could be causing this? If I was at home I would think I have to much humidity in the air. What do I need to do to correct this? Anyone else have this problem in cold weather and what did you do.

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Old 12-06-2013, 01:59 PM   #2
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Winnebago Owners Club
Join Date: Nov 2011
Location: Southeast,MI
Posts: 2,064
You do have a high humidity situation. Cooking,showers just plain breathing all contribute. Crack a widow, open ceiling vent a crack, or buying a dehumidifier will all help. Found some small ones online for $40-$60.

Neal and Deb + Mya and Gizmo, the pup's
2003 Winnebago Sightseer 30B

May the roads rise up to meet you, May the winds be always at your back...
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Old 12-06-2013, 02:00 PM   #3
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It's activities inside the rig that are causing the moisture. You need to crack a window or two or open the roof vents somewhat to get the moisture out. The greatest amount of water produced inside an RV comes from it's occupants and their actions. Washing, showering, cooking, breathing and other normal activities produce water, a lot of water. It then becomes an art to operate your roof vents, exhaust fans, windows and doors so that you do not start getting condensing water on the inner surfaces. Watch the upper parts of your windshield closely as it is a single pane glass and will condense water quicker than other surfaces, and definitely quicker than the double pane windows.

Proper moisture management can be a pain at first, but once you get the hang of it, it becomes second nature. Since you already recognize the potential problems you will face, you'll have a short learning curve to be able to get it right.
2013 Tiffin Allegro Bus 43QGP
2011 Chevy Silverado 1500 Toad
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cold weather, window

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