Are there any issues with leaving windows open, including the top vent when a rig is in covered storage (i.e. under a pole barn with side walls, which keeps rain from blowing in.) With the screens on the windows, insects shouldn't be a problem, and it should keep humidity on the inside from becoming an issue or causing damage.

Unless there is a source of humidity inside the RV, it will always be close to or the same as the humidity in the barn whether the windows are open or not.I keep my vents cracked and one window open a couple of inches.If the building is clean and well enclosed it will probably not be an issue. Sometimes dust can be an issue in pole structures.

Why would you want all the dust to come in? We just keep open our ceiling vents and have little dust. We store outdoors.

Crack open a window at each end of the RV, and crack open any ceiling vents, and you will have no moisture problems.

You'll get lots of dust in there requiring a lot of cleaning.Bill

Would it help if I left the roof vent open, and taped a foam filter over an opened window with masking tape? It will look a bit janky, but this would deal with any dust issues, and nobody is going to be seeing it unless they go to the backside of the pole barn.Last year, I cracked a window open about a half-inch, and left the top vent open, and it made a world of difference.

All windows open in covered storage? | Good Sam Community

Bobbo
Explorer II
Mar 02, 2018
I have both vent covers and a pole barn. I keep my vents open 24/7/365, but nothing else. I even did that before I got the pole barn, but I always had the vent covers.
jamesu
Explorer
Mar 02, 2018
Have always installed roof vent covers for last 15-20 years. Keep the roof open 24/7/365 even when underway. We live in a very rainy climate. I don’t deal with humidity issues inside TT anymore. The roof covers keep out the rain too.
Veebyes
Explorer II
Mar 02, 2018
For the long winter indoor hibernation everything is closed. Mothballs wrapped in drier sheets are scattered all over inside. Six months later the odour of them is still enough to keep any critters that might consider our 5er a new home out of it. This method has worked for 10 years. Nothing has ever moved in.
CavemanCharlie
Explorer III
Mar 05, 2018
The neighbor stored his 5th wheel in a shed and forgot to close a window by accident. A raccoon found the open window , moved in, and trashed the nice new 5th wheel. She even had babies while living in it.:E

I say leave them closed.

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All windows open in covered storage?

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