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Old 03-27-2013, 10:15 AM   #1
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Question Dehumidifiers !?

I know this is a topic well discussed when related to specific products around this site, and I've read through plenty of them in my search for the best way for me to address my concerns about the upcoming Gulf Coast spring and summer seasons and their humidity. I'm having nightmares about my RV just disintegrating from all of the water in the air soaking into all of the cabinetry and such, and I'd like to take steps to prevent that.

My issue however is that everyone seems to have their preferred products and brands and methods, which is to be expected... but I am having trouble finding a key explanation to this whole mystery about these things.

I get there are generally 3 types:

1) Pull water from air, condense it into liquid, put it in a tank, re-use.
Example

2) Pull water from air, trap in silica/crystals, replace or dry crystals, re-use.
Example

3) Pull water from air with heating element, no tank/crystals, constant use.
Example

... and I have absolutely zero idea how that 3rd type works in a scientific sense. In my mind, heating wet air, seems like it would just make the problem worse, wouldn't it? I don't claim to be a smart man at all, but I am frustrated that I can't get any info on how this actually works. I'm convinced it does from the amount of rave reviews of these products... but, I can't really think about them as a solution, until I understand it I guess.
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Old 03-27-2013, 07:12 PM   #2
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You dont mention if your RV is stored or if your staying in it. In Florida our is plugged in and the A/C set at 81 to remove humidity. The electrical bill is minimal.
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Old 03-27-2013, 08:33 PM   #3
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Since we store the coach at our S&B hooked up to electricity we use a unit similar to this. You can adjust the percentage of the humidity you want. We run the drain hose out the bottom of the slide so we don't have to worry about it.

Shop Frigidaire 50-Pint 2-Speed Dehumidifier ENERGY STAR at Lowes.com

Jon
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Old 03-27-2013, 08:35 PM   #4
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No 1 will do the most good. However, you need to dispose of the water on a regular basis or have it hooked to a drain, other than the RV tank.

No.2 will not remove much water and you have to deal with replacing or drying the crystals fairly often. Not meant for large areas.

No.3 will be useless in something the size if an RV. Heating the air does not remove any moisture. All if does is to drive the air temperature up and farther from the dew point.

Ken
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Old 03-28-2013, 12:17 AM   #5
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Quote:
Originally Posted by djbmsu View Post
You dont mention if your RV is stored or if your staying in it. In Florida our is plugged in and the A/C set at 81 to remove humidity. The electrical bill is minimal.
Sorry, should have noted we are Full timers, so definitely living in it.
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