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post #11 of Old 10-24-2012
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Re: Dehumidifier in wet/rain PNW?

Originally Posted by AdamLein View Post
For those of you who run a dehumidifier on your boat, do you keep your boat as air-tight as possible? If not, don't you worry about trying to dehumidify the outside atmosphere?
We close the boat but she has always-open dorade vents. Beyond those we do not leave hatches open in the off season.

When I first got the dehumidifier I thought 'drier is better' and left it on continuous cycle.. after a week of that one of my wooden sliding doors to the head had shrunk enough to fall out of its track... so there is a 'too dry' scenario.

Now we leave it at 50% and things feel dry below all the time. We leave everything below (doors, cupboard doors, seat backs etc) open too so that nothing's really 'isolated'. I'm sure that spot measurements at the extreme bow and aft cabin might show higher RH than in the main salon, but overall the boat feels great all winter long, and we have NO mildew on anything left on board for the winter.


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