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Old 07-23-2019, 06:49 PM   #1
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2019 25' Flying Cloud
Wilmington , North Carolina
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Dehumidifier use during storage?

Here in SouthEastern NC it gets pretty hot and humid in the Summer! We store our 25 Flying Cloud in a covered storage bay which also has a 30 amp plug.
I was thinking of getting a small dehumidifier and leaving it on in the trailer and running the drain tube to the shower drain (purchase a separate plug and drill a hole to accommodate the drain line).
Has anyone done this? - thoughts or feedback? I'm trying to avoid potential mold or mildew...
Thanks!
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Old 07-23-2019, 06:55 PM   #2
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Dehumidifier use during storage?

We run a dehumidifier in our rig when we’re not camping. Ours sits on the kitchen counter and drains into the sink. We leave it set on 60%, and it cycles accordingly. The gray tank valve is left open.
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Old 07-23-2019, 07:03 PM   #3
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Hi

The main risk is the normal "gizmo running with nobody around" sort of thing. If it gets out of whack, you might have a mess on your hands. At the extreme end, you might get some actual damage. As long as the dehumidifier is in good shape / new , not a lot of risk. If it's something you bought from a guy named Bob at a garage sale ..... hmmmm.....

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Old 07-24-2019, 07:55 AM   #4
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I live in Eastern NC and have dealt with this issue for over 20 years, first with my boat, then with my Airstream. I think I have tried most things. First I found that a dehumidifier was less successful than hoped for...still got mold. What I ultimately found was that an ozone generator was completely successful in preventing mold in a boat on the water all of the time, as long as the boat was buttoned up.
That did not seem like a good solution for my Airstream as it required constant AC power, but should be fine for you, if you can trust the power supply. However, I have tried containers of Damp-rid, etc. and what I have found is that with adequate ventilation, I get no mold or mildew. I leave one of the Fantastic fan lids open( I have a cover for that fan that precludes rain and bugs) and I leave both shower and bathroom vents open. That has worked for years.
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Old 07-24-2019, 08:14 AM   #5
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You are better off using anti- desiccant containers in the trailer over the winter months.
I don’t like the idea of leaving electric devices with moving parts running 24/7.
What if something were to occur, it could lead to a fire.

We have used anti- desiccant containers successfully for many years
The passive devices are inexpensive and work well.
They are easy to find in any big box store
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Old 07-24-2019, 08:40 AM   #6
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I have a decent sized home dehumidifier mounted permanently in my trailer, and it runs 24/7/365 (except when I have the AC running or when rolling down the highway). I have done this for as long as I have owned an Airstream in Florida. Over 15 years now.

I drilled a hole out of the bottom of the trailer so it drains constantly. In the event the drain line gets clogged, the internal tank will fill and the unit will shut off when full. They are pretty reliable units and are designed to run non stop.

Here in Tampa the humidity is brutal. I can go in the trailer at 3:00 in the afternoon, and although it is over 100 degrees in there, it is actually comfortable because of the low humidity. If I turn on the AC, it will cool down much quicker. Some years ago I lived in my trailer for 2 years while renovating my house. The dehumidifier was a life saver in keeping the trailer comfortable.

Just my .02 cents.
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Old 07-24-2019, 10:00 AM   #7
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An old timer suggested cat litter. Have used it here in SW Florida with good results. Don’t have AC power at my storage area. Use 2 large aluminum basting pans. One in front and other at bedroom.
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Old 07-25-2019, 06:30 PM   #8
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Mold n Mildew in Humid Weather

Quote:
Originally Posted by GatorDave View Post
An old timer suggested cat litter. Have used it here in SW Florida with good results. Don’t have AC power at my storage area. Use 2 large aluminum basting pans. One in front and other at bedroom.
This is tough problem it is mold and mildew! In my vintage trailer i hang a bag of DampRid in the closet and leave another one on dinette table same product DampRid in a container and dump the water out and just refill and check again in another month when not in use, and leave windows cracked open! But it is also in a open front barn! Which protects the trailer from the bad weather! Very Happy with this product DampRid! Safe travels always
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Old 07-25-2019, 06:44 PM   #9
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I use 6 containers (spread throughout a 27 ft. trailer) of Driz-air and have been able to hold my humidity around 50% through a near Portland Oregon winter. I would be careful of some other anti-mold products as I had some do some serious corrosion of my stainless sinks. They obviously created some caustic gas as part of their anti mold process which attacked the metal. I now have "sinks with an aged patina".....and don't use that product any longer.
Interesting is that in the Portland Oregon area I am using more desiccant in the spring and fall than in the winter. And, technical language thing here it is a desiccant, not an anti-desiccant as that would be adding water and then called a humidifier.
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Old 07-25-2019, 06:55 PM   #10
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Vinnie’s Northbay AS repair Facebook page has a great video on why a dehumidifier is worth it. Amazing how much water he pulls out of an AS. I winter in Palm Springs and very low humidity.
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Old 07-25-2019, 07:13 PM   #11
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Quote:
Originally Posted by Sneakinup View Post
I have a decent sized home dehumidifier mounted permanently in my trailer, and it runs 24/7/365 (except when I have the AC running or when rolling down the highway). I have done this for as long as I have owned an Airstream in Florida. Over 15 years now.

I drilled a hole out of the bottom of the trailer so it drains constantly. In the event the drain line gets clogged, the internal tank will fill and the unit will shut off when full. They are pretty reliable units and are designed to run non stop.

Here in Tampa the humidity is brutal. I can go in the trailer at 3:00 in the afternoon, and although it is over 100 degrees in there, it is actually comfortable because of the low humidity. If I turn on the AC, it will cool down much quicker. Some years ago I lived in my trailer for 2 years while renovating my house. The dehumidifier was a life saver in keeping the trailer comfortable.

Just my .02 cents.
I agree with all of this analysis. I do likewise.
Using my 20 pint unit does indeed help the A/C performance....by quite a bit.
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Old 07-25-2019, 09:02 PM   #12
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We used the Driz-air for the first few years and they were better than nothing but did not do the job adequately for us. Then bought dehumidifier that lives in the trailer when we’re not in it, and night and day difference. Been using it for 10 years or so flawlessly. I would highly suggest getting one.

Kevin.
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