Crawlspace dehumidifier

billfoJuly 15, 2012

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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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

    Bookmark   July 15, 2012 at 12:29PM
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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.

    Bookmark   July 20, 2012 at 4:24PM
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