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Old 11-23-2013, 02:56 PM   #1
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Condensation Problem

I am in KY working for two months living in my motorhome. The weather is turning cold and I a have a condensation problem on all my windows. It's amazing how much water drips down the window. I do have a vintage 1991 Beaver Contessa with singe pane windows. I know that is part of the problem. Any suggestions to at least slow down the problem?

Joe
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Old 11-23-2013, 03:01 PM   #2
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If you have a couple of the small 1500 watt cube electric heaters use them to help heat the coach. Electric heat is dryer than propane and will lower the humidity level quite a bit.
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Old 11-23-2013, 03:02 PM   #3
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Open up your roof vents some, that is the single biggest resolution I have found to work.
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Old 11-23-2013, 04:31 PM   #4
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It doesn't matter what your heat source is as they do not contribute to the humidity. You, cooking, and showers are the sources of humidity. Use your exhaust fans when showering and cooking and, if you need to, keep your roof vents slightly cracked.
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Old 11-23-2013, 04:31 PM   #5
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moisture

I use Dry-ease packets with built in hangers with white crystals they collect a lot of moisture change out every couple of months.
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Old 11-23-2013, 04:39 PM   #6
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We crack open the window over the sink (midcoach) and turn on the exhaust vent in the back bathroom. If we don't do that it looks like someone squirted water on the inside of the windshield.
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Old 11-23-2013, 04:42 PM   #7
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Buy a dehumidifier, run it 24/7. Small cubic footage human living creates a lot of moisture. You need lots of ventilation and the correct tools to remove the moisture.
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Old 11-23-2013, 04:49 PM   #8
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Thanks for the suggestions. I have two roof vents and now have them both open a little hoping that will help. Will also run the vent fan when cooking and showering.

Joe
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Old 11-24-2013, 08:30 AM   #9
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Wink Condensation Winnebago Tour 2013

We bought a 2013 Winnebago Tour in Jan. we are in SD working and the temps are very low. We are having a very bad experience with condensation from the ceiling area all around where our slides are. We went to Winnebago Ind. in Forest City and they told us it was our problem and not covered under the warranty. We think there is a manufacture defect in our coach, insulation problem or something. We have opened the vents, opened the cabinets ran heaters and there still is water and ice inside our coach at the ceiling and beside the windows in the bedroom. There is no condensation on the windows. I can smell diesel when the aqua hot heat is running. Anyone have any suggestions besides getting rid of this coach.
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Old 11-24-2013, 08:43 AM   #10
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I have always used Damp Rid in my coaches. Now they have it on hangers at Costco instead of the containers on the table. It has always done a great job. I hang two in the front and one in the bedroom. They fill up so I know they work. No problems with condensation and no musty smells.
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Old 11-24-2013, 08:51 AM   #11
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Quote:
Originally Posted by 450Donn View Post
Buy a dehumidifier, run it 24/7. Small cubic footage human living creates a lot of moisture. You need lots of ventilation and the correct tools to remove the moisture.
X2 on a small dehumidifier.
(For convenience place it to drain into the shower drain and run it 24/7).

IMO, cold weather condensation in a RV is normal, and not necessarily a manufacturing defect, (any more than condensation on a cold can of beer is an indication of a bad can).

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Old 11-24-2013, 09:30 AM   #12
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Quote:
Originally Posted by glitzyglo
We bought a 2013 Winnebago Tour in Jan. we are in SD working and the temps are very low. We are having a very bad experience with condensation from the ceiling area all around where our slides are. We went to Winnebago Ind. in Forest City and they told us it was our problem and not covered under the warranty. We think there is a manufacture defect in our coach, insulation problem or something. We have opened the vents, opened the cabinets ran heaters and there still is water and ice inside our coach at the ceiling and beside the windows in the bedroom. There is no condensation on the windows. I can smell diesel when the aqua hot heat is running. Anyone have any suggestions besides getting rid of this coach.
If you are running your roof top fans, or have them opened they will pull air through the smallest of cracks, unless you also have a window slightly opened. You never want negative pressure inside the coach. I would start by inspecting your slide seals and looking for places the seals is not making firm contact--- maybe around a corner and closing up the gap. Look for other areas that are not sealed, especially where your Aqua Hot exhaust is located. The diesel exhaust is coming into the coach through an opening somewhere. I suggest getting a small dehumidifier to help pull some of that moisture out.

Mike
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Old 11-24-2013, 09:52 AM   #13
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Couldn't find dry-ease on the internet, but did find a product called damp-rid. The manufacturer recommended using 11 bags, about $60 worth. Small dehumidifier, about $50.
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Old 11-25-2013, 11:16 AM   #14
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If you are running your roof top fans, or have them opened they will pull air through the smallest of cracks, unless you also have a window slightly opened. You never want negative pressure inside the coach. I would start by inspecting your slide seals and looking for places the seals is not making firm contact--- maybe around a corner and closing up the gap. Look for other areas that are not sealed, especially where your Aqua Hot exhaust is located. The diesel exhaust is coming into the coach through an opening somewhere. I suggest getting a small dehumidifier to help pull some of that moisture out.

Mike
Mike, we took it into Winnebago for service and they said the seals were fine, we do not think so....we are going further with ths problem...we have no condensation on the windows just on the top part where the wall and ceiling connect....There has got to be some kind of seal issues here....we had ice yesterday on the walls at the top by the ceiling. This is crazy.
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