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The Norfolk Broads Forum / Broads Boat Owners Q & A / Dehumidifier
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Posted By Discussion Topic: Dehumidifier

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Dehumidifiers| Dehumidifiers| Dehumidifiers| Dehumidifier|

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eddybear
Nov-02-2013 @ 4:49 PM                           Permalink
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dehumidifier running, bit too early for heaters me thinks, still using boat till the end of November.

All the best Ted.

psychicsurveyor
Nov-02-2013 @ 5:52 PM                           Permalink
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Hi Ted
The heaters are on thermostats, the dehumidifier will work better with a little heat, mine are set at 5 degrees and the dehumidifier is on between 10 and 4 to take advantage of any daytime heat. My boat will be in use all year, even over New Year. Smile

Mark

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beer and be afloat.

londonrascal
Nov-02-2013 @ 9:35 PM                           Permalink
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Just an idea...

For those of you who have dehumidifiers and this is straight out of the 'Bodge Up' mind of mine so be warned this is very much something to think of and not see as a great idea.

Obviously you need to place the dehumidifier where they can directly drain the water(into the sink say) but the outlet air (dry air) would then do a very good job in that location and not such a great job further forward or aft.

I thought therefore with some cardboard and tape you could make a cover that went over the outlet of the dehumidifier and into a section of ducting that is the same as your hot air ducting in size.

Place this ducting over the outlet of one of the warm air heating vents and the dry air out of the dehumidifier would then pass through the system supplying such air more evenly throughout the boat.

It would look clearly a right mess but would only be used when no one was on the boat and keep cabins dryer than otherwise perhaps just having the unit in one part of the boat and leaving cabin doors open to help the air circulate.

One thing I have thought of thought is the actual warm air unit might not like air going thought it 'the wrong way round'.  Hmm okay not such a good idea then perhaps after all.

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psychicsurveyor
Nov-02-2013 @ 10:38 PM                           Permalink
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Robin. You must get out more, and stop watching Blue Peter  LOL

Mark

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Some days all I need is to have a
beer and be afloat.

Siddy
Nov-02-2013 @ 11:37 PM                           Permalink
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Robin your correct with the logic about air movement and the flexi duct you mean is £5
http://www.screwfix.com/p/manrose-pvc-white-3m-x-100mm-ducting-hose/18232

Dehum one end as you say over a sink or the drain hose into a shower tray, throw the duct 3m away to get air movement.



Siddy

TheCommodore
Nov-03-2013 @ 1:39 AM                           Permalink
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Has anyone thought to look over the side decks and just wonder where all this pesky humidity is coming from? Good ventilation will keep most of a boat sweet but dehumidifiers are on a hiding to nothing! Do the science!

Geof

KenEldridge
Nov-03-2013 @ 9:45 AM                           Permalink
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Could not agree more, unless the boat is totally sealed to prevent moist air entering. Even then as soon as a door is opened you are back to square one.

Ken

Siddy
Nov-03-2013 @ 10:58 AM                           Permalink
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I take it the Dehum option is for fabic, seat bases etc for those who arn't able to remove them.
Then I'd use plastic sheets to make a tent in a cabin and a small dehum inside to protect these items.
I got a small unit under £30 which is 12v and came with 240v to 12v convertor. I've done the same in the loft made a smal tent for cases and other item to protect them and works a treat.



Siddy

psychicsurveyor
Nov-03-2013 @ 11:04 AM                           Permalink
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Geof / Kendehumidifierhave spent the last 30 years doing the science for a living, The boat doesn't need to be hermetically sealed, the dehumidifier will reduce relative atmospheric moisture levels within the boat and will reduce the possibility of condensation and resultantmould growth forming. Garages and sheds survive winter without dehumidifiers, I don't know about you but I wouldn't choose to sleep in a shed or garage  LOL
The humidity is atmospheric and is no higher on water than on land.
Without a dehumidifier the boat would need to be stripped of all soft furnishings and sensitive electrical items. If you use the boat over winter, stripping it out is not practical.
Two tube heaters and the dehumidifier cost me 45 pounds to run lastwinter.

Mark

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Some days all I need is to have a
beer and be afloat.

Mercator
Nov-03-2013 @ 11:20 AM                           Permalink
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Our dehumidifier does an excellent job. But, I would  suggest you check the manufacturers recommendations/instructions before making a decision on altering the set up as a fire could happen .

Now that really would dry the boat out !!!!

elf an safety
Maggie
x

Steve & Maggie.

Magellan (Westward 38)

Not quite an ancient mariner ..... though some say he was at sea before Pontius was a pilate !

londonrascal
Nov-03-2013 @ 4:28 PM                           Permalink
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Of course those with the readies and space can get a complete marine air conditioning system which will also act as a dehumidifier and if specced to have a reversing valve will heat as well as cool. http://www.marineair.com/QBank/EPiServer/MarineAir/Brochures-Catalogs/0002-LB02-MAS-Lit-Book-Web_15892.pdf

| Robin |

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