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Old 03-17-2015, 11:19 AM   #21
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So you are saying the a/c is not big enough to "condition" the air as it should? Maybe a 13,500 BTU unit would work better for those in the south just as the texas fan option helps the refrigerator. The a/c should operate to where both the temperature and humidity is comfortable. An oversize unit will cause the unit to operate in short spurts of on and off. A properly sized unit will run until the thermostat shuts it off and hopefully the inside air will be properly conditioned, both temperature and humidity wise. Too small of a unit will mean it runs non stop, never reaching the off set point. How does your a/c operate and which unit do you have?
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Old 03-17-2015, 11:56 AM   #22
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Originally Posted by cpaharley2008 View Post
Seems to me if you can plug them in outside then you really do not need them. I always thought dehumidifiers were for winter time and storage. In the summer with the trailer open I doubt you will need them. If it gets too humid, close up and turn on the a/c.
I've needed them in the fall after a couple days of rain, then it gets too cold trying to let the A/C keep up with it. The electric dehumidifier just does a much better job. I have heard of, but not tried, running the A/C and the heat at the same time for this purpose.

We've even resorted to taking the bedding and towels out to a laundromat to dry them out.
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Old 03-17-2015, 12:04 PM   #23
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In the new Escape, I think renewing the units will be much easier using the inverter and an extension cord outside.
Peace,
Gae

Seems to me if you can plug them in outside then you really do not need them. I always thought dehumidifiers were for winter time and storage. In the summer with the trailer open I doubt you will need them. If it gets too humid, close up and turn on the a/c.
The smaller Eva Dry units are a vented, plastic case filled with crystals that absorb humidity. They are renewable in that when the the crystals have become saturated with moisture, you can plug them into an outlet, which heats them and dries out the crystals. I usually like to dry the units out away from the area where they recently absorbed the humidity--hence the outside outlet. When left in a closed cabinet or closet, these units really help keep clothing drier and help eliminate potential mustiness. In the south, or when camping in rainy weather, I try to avoid mildew at any cost. Ike uses a CPAP at night, so we crack or open windows and use fans (battery operated, when needed) to keep the air circulating as much as possible.

We had AC in the Casita and will in the Escape, but when not hooked up (we also like to dry camp), using it is prohibitive. We have a propane generator, but reserve its' use for recharging batteries and for emergencies. The dual solar panels on the new 19 will be a vast improvement over our portable panel and allow us to leave the generator behind on some of our trips. But you are right, the AC will suck moisture out of a trailer in no time!

We built a bay in our carport for an RV and when parked there, the trailer is plugged in and a smaller electric dehumidifier runs. The little plastic Eva-Dry units are still tucked away in places, even though the cabinet doors are cracked open. I do whatever I can to keep moisture from accumulating in the trailer. A bit of a moisture freak
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Old 03-17-2015, 02:07 PM   #24
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For two winters we've used the "Air-Dryr"

Amazon.com: Davis Instruments Air Dryer: Sports & Outdoors

It works great, our trailer is parked under cover so we just open the roof vent a crack and place this dryer on the floor underneath. Even though we live on the "wet-coast" the trailer stays amazingly dry all winter. It's cheaper than a dehumidifier, and less bothersome than the crystals
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Old 03-17-2015, 02:52 PM   #25
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i only use my electric dehumidifier in the winter - and need it. I also use the crystals at times but if they spill they cause big issues!
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Old 03-17-2015, 03:03 PM   #26
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Don't spill the crystals or the liquid. It's like trying to clean up Jello with a paper towel ( it's not absorbed ). Dri-Z-Air recommends using a wet/dry vacuum. I place the container in another container and handle carefully to prevent spills.
FAQ here:

DRI-Z-AIR® DEHUMIDIFIER - MOISTURE ABSORBER - MADE IN THE USA - FAQ's
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Old 03-17-2015, 03:38 PM   #27
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The Davis Air Dryer looks good, too. The thing I like about traveling with the non-electric Eva-Dry dehumidifiers is the gel crystals are contained within the hard plastic housing of the unit. Unless you take a hammer to the thing or drop it on a very hard surface, the crystals stay intact. I've dropped one on the vinyl floor of the Casita several times, no problems. They are made to be renewed and used for 10 years. A good investment, in my opinion. Two points, though: 1) I keep "spare" Eva-Dry's on hand when traveling, cycling them out as they become saturated and 2) it is sometimes inconvenient to plug in and dry the units. I've resorted to asking friends and even park office staff if I could use their outlets. With the inverter on the 19, I can put a multi-plug extension cord outside and take care of this, if need be.

We don't travel with the small electric dehumidifier--it is used when the trailer is stored at home.

Some good choices exist for taking care of moisture and remember that moving air also helps reduce the chance of mildew.
Peace~
Gae
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Old 03-17-2015, 03:56 PM   #28
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And don't dump the liquid from the Dri-Z-Air onto your lawn! It's a high salt content liquid, not plain water. It will kill grass and make it difficult to reseed without a lot of work.
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Old 03-17-2015, 04:03 PM   #29
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And don't dump the liquid from the Dri-Z-Air onto your lawn! It's a high salt content liquid, not plain water. It will kill grass and make it difficult to reseed without a lot of work.
Same with the Damp Rid. When we've spilled it inside the Casita, it took a bit of work to get the salty, moisture attracting areas completely residue clean.
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Old 03-17-2015, 04:09 PM   #30
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I used Dri-Z-Airs in my sailboat, which was berthed in the harbor where, naturally, it's always humid. Made the mistake of spilling a full container once on the fabric upholstery. That area ended up being almost perpetually damp until the covers came off for machine washing. Even had to wash out the inside foam.
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