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Using a Dehumidifier
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userDen
Posted: 29 December 2021 5:02 PM
Subject: Using a Dehumidifier
 
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Borrowed my daughters Dehumidifier and put it into our MH last night.
Surprised to find about a litre of water this afternoon.
Just wondered if maybe it’s working on outside air due to the sunroof being of the type to allow air circulation.
Anyone used a machine and found the same results.

Den
user747
Posted: 29 December 2021 6:30 PM
Subject: RE: Using a Dehumidifier
 


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Location: Tyne and Wear - Burstner Delphin Performance T821


I have never owned a damp motorhome (how lucky is that).

Every Winter I placed 2 of these in the van and kept an eye on them. https://www.amazon.co.uk/Eshop-12-x-Interior-Dehumidifier/dp/B00AZKNP7K/ref=asc_df_B00AZKNP7K?tag=bingshoppinga-21&linkCode=df0&hvadid=80676741573888&hvnetw=o&hvqmt=e&hvbmt=be&hvdev=c&hvlocint=&hvlocphy=&hvtargid=pla-4584276299139520&psc=1

If they start to have water in the bottom then you may have a problem. Mine would stay dry in the bottom with traces of the crystals absorbing a little dampness. That is with a motorhome that was proven dry with a damp meter in Hab checks. You can get them from B&M or Pound shops, so I would start with these and see how it goes.
userJohn52
Posted: 29 December 2021 7:00 PM
Subject: RE: Using a Dehumidifier
 


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747 - 2021-12-29 6:30 PM

I have never owned a damp motorhome (how lucky is that).

Every Winter I placed 2 of these in the van and kept an eye on them. https://www.amazon.co.uk/Eshop-12-x-Interior-Dehumidifier/dp/B00AZKNP7K/ref=asc_df_B00AZKNP7K?tag=bingshoppinga-21&linkCode=df0&hvadid=80676741573888&hvnetw=o&hvqmt=e&hvbmt=be&hvdev=c&hvlocint=&hvlocphy=&hvtargid=pla-4584276299139520&psc=1

If they start to have water in the bottom then you may have a problem. Mine would stay dry in the bottom with traces of the crystals absorbing a little dampness. That is with a motorhome that was proven dry with a damp meter in Hab checks. You can get them from B&M or Pound shops, so I would start with these and see how it goes.


He says he has collected a litre of water in less than a day
How much water would they collect
userJohn52
Posted: 29 December 2021 7:08 PM
Subject: RE: Using a Dehumidifier
 


The special one

Posts: 11055
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Location: Pissindoon, Scotland


Den - 2021-12-29 5:02 PM

Borrowed my daughters Dehumidifier and put it into our MH last night.
Surprised to find about a litre of water this afternoon.
Den


Thats because its incredibly warm for the time of year.
It wotks by warm air blown over a cold radiator, and the condensation dripping into the tray beneath
So there needs to be a substantial difference between the surrounding air and the radiator
But water on the radiator freezes at 0 deg C
So the surrounding air needs to be well above 0C, the warmer the better.
Below 5 deg C (normal temp for this time of year) it will hardly be doing anything
userDen
Posted: 5 January 2022 10:08 AM
Subject: RE: Using a Dehumidifier
 
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Location: Worcester


I’m not thinking my MH is damp, but wondered if the dehumidifier was pulling in the air from the skylight which allows ventilation for gas purposes.
I have to say I was surprised at the amount of water
userwitzend
Posted: 5 January 2022 10:17 AM
Subject: RE: Using a Dehumidifier
 


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Den - 2022-01-05 10:08 AM

I’m not thinking my MH is damp, but wondered if the dehumidifier was pulling in the air from the skylight which allows ventilation for gas purposes.
I have to say I was surprised at the amount of water


I had the same when I tried one for a few days and am convinced that it was outside air every time you open the door it lets more air it.
user747
Posted: 5 January 2022 1:49 PM
Subject: RE: Using a Dehumidifier
 


Forum master

Posts: 2823
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Location: Tyne and Wear - Burstner Delphin Performance T821


Den - 2022-01-05 10:08 AM

I’m not thinking my MH is damp, but wondered if the dehumidifier was pulling in the air from the skylight which allows ventilation for gas purposes.
I have to say I was surprised at the amount of water


You are correct.
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