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Crawlspace dehumidifier

Posted by billfo (My Page) on
Sun, Jul 15, 12 at 2:08

We have a portable dehumifier we bought for our bacement years ago.. We have another home that has a dirtcrawlspace. Question is, Can I use this same dehumidifier (with drain hose) in a dirt floor crawlspace or do I need a special type.. Thanks.


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RE: Crawlspace dehumidifier

It can be used. However, you would be way ahead in sealing the crawlspace--at the least, using a continuous sealed ground cover on the floor. Also, be sure the dehumidifier is plugged into a Ground Fault Interrupter (GFI) protected receptacle.

This excludes crawls in certain flood zones.

Here is a link that might be useful: Building Science Corp. on Sealed Crawlspaces


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RE: Crawlspace dehumidifier

If you do not seal the dirt floor the dehumidifier is going to run almost constantly until it burns out.

Seal the dirt floor with (at least) a layer of plastic attached to the side walls, close up any vents, and run the hose outside the sealed area.


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