coffeecamper

Northwest Arkansas

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Joined: 11/27/2007

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I store my trailer in my backyard. My question is: is it better to leave a small crank out window and the roof vents open during the hot months to let it breathe or is it better to leave them closed to keep the humidity out?
We live in Arkansas, our average temps get anywhere from 95-105 with humidity in the 75-90% range during July and August. I have maxair covers over my vents to keep the rain out.
Which way is best. Leave them open or close them?
Thanks,
Coffee
2001 F150 Supercrew
2000 Starcraft 24CK TT
Days Camped 2006 - 6
Days Camped 2007 - 13
Days Camped 2008 - 12
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mgbogue1

Colorado

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Joined: 09/17/2007

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In Colorado, we don't have the humidity problem you do, but I leave the vents open all the time...MaxxAir covers keep rain and critters out. I'd think you'd get humidity inside regardless since there are other openings into the interior. Unless you've sealed everything up airtight, which would be almost impossible, at least in our trailer.
Mike & Susie
D-16, S-13
Corgi, cat who thinks he owns the place
2000 F250, 7.3L XC SB, Equal-i-zer, Prodigy
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CloudDriver

New Jersey Shore

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Another way to ask the question is - Does closing the vents keep the humidity out, or does it trap the humidity inside? Personally, I leave my roof vents open to get some air circulation.
2003 Winnebago Minnie 24F - Ford E-450
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kknowlton

Wisconsin Border Country, IL

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With the Maxxair covers, we leave them open, and we live in nearly as humid a climate as you do. We even leave them open all winter (but cover the trailer). It has really helped with air circulation and, at least in our past trailer, definitely helped prevent condensation during winter storage. (Haven't had this trailer over the winter yet.)
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The Dude Dad

Simi Valley, CA

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We have Maxxair covers. Vents stay open year round for air circulation. We're in Southern California where summers get quite warm, 97 today actually. Haven't had any problems yet.
* This post was
edited 07/19/08 06:15pm by The Dude Dad *
2007 Thor Wave 26RLS
2004 Chevy 2500HD Gas Hog
DW Michelle, Son Tyler, Daughter Kaitlyn, and one on the way!
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peacekeeper

Chicago SW Suburbs N41*40 W87*58

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I keep mine open year round too...TT is covered in winter.
"Truth, Justice, and the American Way"
Wife since 96 - Boys since 99 & 01
2 German Shepards
01 Chevy Suburban
07 Jayco Jayflight 27BH (just traded in)
08 Jayco Jayflight G2 29FBS in the driveway 
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campercajun

Central Texas Hill Country

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Leaving the vents closed won't really hurt anything, UNLESS it is very humid inside or the shower, etc., is wet when you close it up, and UNLESS and UNTIL your trailer leaks and water gets inside. Then, if you have no ventilation, your trailer will begin to smell like mildew, because parts of the inside (most commonly the parts which are out of sight) ARE mildewed. And this smell is next to impossible to get rid of if you can't find where it's coming from. If you can ventilate the trailer without the possibility of rain blowing in, then it's a good idea to do so. It's especially important to ventilate a new trailer as often and as thoroughly as possible to help to minimize the glue and formaldehyde fumes which are so strong when you first bring a new one home.
2003 GMC Sierra Crew HD; 6.0L; Prodigy
2006 Thor Tundra 30RL-DSL; Reese Strait-Line & Dual-cam HP
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Jim & Gayle Bryant
Murphy's Law: "Anything that CAN happen, WILL."
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tvman44

Southwest Louisiana

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I have the Maxair cover over the vent and leave it open all the time unless th A/C or heat is running.
Papa Bob
1* DW "Granny"
1* 2008 Brookside Sunnybrook 32'
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"A bad day camping is better than a good day at work!"
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garry1p

Broken Arrow, OK, USA

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I used to leave mine open but DW said to much dust would come in for her to have to clean up.
Now leave closed but I think it best to leave slightly open.
Garry1p
1990 Holiday Rambler Aluma Lite XL
454 on P-30 Chassis
1999 Jeep Cherokee sport
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LakeN

North Carolina

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We leave a Maxxair vent open all year round when stored. TT is not covered & it does fine over the winter. No problems with mold or condensation. It can be very humid here also.
'08 Toyota Tundra 5.7L with tow package/Prodigy
'09 Heartland North Trail 26RKS
2 campers + 1 spoiled golden retriever, Daisy
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