I have a 2008 Sunset Trail TT and have had it stored for the last eight months. It is parked under a shed roof which joins the barn. I winterize it for winter but open windows and vents in the heat of summer. We are in a Southern State and live next to a river so conditions are very humid. My wife has been cleaning up the inside for a trip across country and is complaining about how dirty the inside is. I'm working on the outside. My question is, Is it better to leave the trailer completely shut up year around? I'm looking for what is best for the life of the trailer. The mold was very minimal and cleaned up easy.

I live in a very dry climate, but very hot (AZ) so can't really speak to the humidity issue but I crack open the vent over the shower a little and shut the windows tight. We have a lot of wind and don't want all that dirt and sand in the trailer. I've never had a problem with anything inside. Even with your humidity and I don't think I'd leave the windows open.

I used to fill a small burlap sack with a few pounds of calcium chloride (the stuff used in the dri z air product) then set it on a wire mesh screen over a bucket. We were living a half mile from the beach in Washington where it's very damp in the winter. Only problem was having to empty the bucket every month or so. We also left a 12" fan running all winter.You can find it cheap in 50 pound bags from your local cement mix plant or a tractor dealer. They use it as weight in the tires for tractors and the cement plants use it to dry the concrete faster.

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Here in Alabama I just leave the two roof vents open, they are covered of course, and have never had an issue. Our is stored outside in the full elements. Smells fresh with no mold issues for five years now.

My TT is parked on a concrete slab next to my house. I live in FL, and don't leave windows/vents open. I run a dehumidifier though. Before that, I used damp-rid buckets. I periodically open it up and run a fan to ventilate it. I suppose I could just have the AC run set to 80, but haven't tried that yet.

Storing my Travel Trailer | Good Sam Community

Halmfamily
Explorer
Aug 25, 2016
Here in Alabama I just leave the two roof vents open, they are covered of course, and have never had an issue. Our is stored outside in the full elements. Smells fresh with no mold issues for five years now.
1492
Moderator
Aug 25, 2016
Moved from Forum Technical Support
ghsebldr
Explorer
Aug 25, 2016
I used to fill a small burlap sack with a few pounds of calcium chloride (the stuff used in the dri z air product) then set it on a wire mesh screen over a bucket. We were living a half mile from the beach in Washington where it's very damp in the winter. Only problem was having to empty the bucket every month or so. We also left a 12" fan running all winter.
You can find it cheap in 50 pound bags from your local cement mix plant or a tractor dealer. They use it as weight in the tires for tractors and the cement plants use it to dry the concrete faster.
Earl_E
Explorer
Aug 25, 2016
I live in a very dry climate, but very hot (AZ) so can't really speak to the humidity issue but I crack open the vent over the shower a little and shut the windows tight. We have a lot of wind and don't want all that dirt and sand in the trailer. I've never had a problem with anything inside. Even with your humidity and I don't think I'd leave the windows open.

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