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Old 12-13-2012, 09:03 AM   #1
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Condensation on Windshield

I stay in the MH during the week to avoid commuting. It dropped into the mid 30's last night and when I left the rig @ 6:30AM I noticed the windshield was wet and figured it was on the outside, nope it was on the inside. Not good as all the water will run down to the dash. I'm guessing it's due to the privacy curtain being drawn and it blocks the heat from the area between the curtain and the windshield creating a cold zone.

I'm also guessing an outside windshield cover would prevent it as the privacy curtain could be left open, or placing a mini space heater on the dash might do it.

I then thought about the dehumidifier devices I place in my boat to prevent mildew called GoldenRods. I used to have mildew issues in the boat over the winter, placing three of these in the boat solved the problem. I'm thinking one of these in 24" or 36" would do it.

I know others have had to experience this as well so the question is how have you dealt with this?

2006 37' Damon Astoria DP 3595 Pacific Edition
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Old 12-13-2012, 09:36 AM   #2
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For what it's worth when we lived on a boat in the SF Bay area and later in a 5th wheel we tried the GoldenRods but found a dehumidifier was more efficient at removing the moisture.

Bob, Sandi & Marmaduke the Big Pug
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Old 12-13-2012, 10:14 AM   #3
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Try opening the privacy curtain just a little on each side so air will recirculate.
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Old 12-13-2012, 12:38 PM   #4
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Razzman......Generally when it's cold, we close everything to try and keep the cold out, but often cause the issues you're having. Try opening a roof vent a few inches in the evening.
Don & Mary
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Old 12-14-2012, 08:57 AM   #5
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My privacy curtain wraps around my windshield. I'll crack the driver side window, with screen in place, about 1/2 to 1" and it seems to keep the moisture down.

For those instances where I forget, or just don't want to do it, I use the Shamwow an wipe the windshield before it drips - I hope.
Wayne MSGT USMC (Ret) & Earlene (CinCHouse)
2008 Winnebago Destination 39W
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Old 12-14-2012, 09:19 AM   #6
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Thanks all, I opened the roof vent and opened the curtain a bit before leaving for the weekend. Hopefully that will do it for now.
2006 37' Damon Astoria DP 3595 Pacific Edition
2013 Honda CR-V EX-L AWD
Ozzy & Morgan - mini Dachshunds
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Old 12-14-2012, 12:45 PM   #7
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Glad to read this post as it reminded me of winter maintenance I'd forgotten!!


Greatest thing since 'sliced bread' for this issue are the 'Dryzit' (think I got the spelling right) packets and their holder giz-mo''s. Depending upon the size of your unit you'll need at least two. One in front, one in back. Once you get over 25 feet you may need as many as four placed down the length of your unit.

These things are (save for replacing the Dryzit stuff) 'maintenance free,' just pour off the liquid and dump in a new bag (can cost as little as a dollar on sale).

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Old 12-14-2012, 05:02 PM   #8
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I use DampRid, available in either a plastic tub which you can pour the water out or the hanging ones made for a closet. That has stopped any moisture problem inside the coach. But for the windshield in really cold weather, I take another step, I turn on one of the fans either over the driver or the passenger after pointing it toward the windshield. Works for me.
Mel (Melanie) and Harry
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Old 12-14-2012, 09:03 PM   #9
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I keep the curtains wide open when its cold.
2008 HR 340 Cummins, Vacationer XL
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Old 12-15-2012, 09:32 PM   #10
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Crack the roof vent and a window on each side of the coach. This will allow cross flow of air and keep it dry.

Retired Navy Submariner
2014 Itasca Sunstar 35F; 5 Star tuned; 2014 Jeep Cherokee TrailHawk
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