Dehumidifier for crawl space

Reply

  #1  
Old 07-07-17, 10:30 AM
Member
Thread Starter
Join Date: Apr 2009
Location: USA
Posts: 37
Dehumidifier for crawl space

My 900 Sq ft crawl space get floodeds during the winter - mild climate in California. I put a sump pump in there, not sure yet how much good it's gonna do.
I had a Westinghouse 70 pint dehumidifier in there for years. It didn't seem to help, but maybe just enough to deep the air from saturation. It died, and when I went in there after all the heavy rains, the place was a mess. Fiberglass insulation on subfloor above was completely saturated and dripping water.
Was thinking about putting another dehumidifier down there. I see store bought models for $200 or so. Just read about crawl space dehumids for over $2,000. How can there be that much difference? Would this be worth it
 
Sponsored Links
  #2  
Old 07-07-17, 12:54 PM
Group Moderator
Join Date: Mar 2003
Location: NC, USA
Posts: 20,368
Upvotes Received: 140
Of course the first step would be to see what you can do outside the home to prevent water from getting underneath. I would look at crawl space encapsulation, laying plastic down on the ground or increased ventilation before paying to operate a dehumidifier in a crawl space.
 
  #3  
Old 07-09-17, 07:34 PM
Member
Thread Starter
Join Date: Apr 2009
Location: USA
Posts: 37
High water table

It's extremely muddy, and I noticed running water coming down a gentle slope. I followed it and came to a spot in the middle of the house. I didn't know where it was coming from. I dug down about five inches and hit water. I could see it coming in from somewhere, but can't trace the source. I figure there's a high water table here; could be an underground spring. In that case, I don't know if anything trying to prevent it from coming in from the outside would do anything at all
So I put a sump pump at the lowest point where the water was coming from. I wonder if this is the best place for it after it dries up a little.

A contractor quoted me $10,000 to correct the problem with a trough along the perimeter of the northside of the house outside. He ended up charging $18,000 and didn't correct the problem at all.

The ground underneath the house is very rough terrain. I guess someone threw this place up in a hurry. There's very little room to literally crawl in there - and one 90 sq ft section is two feet between the ground and joists - no room to get in there at all. There's a concrete perimeter foundation, but posts and piers support the middle of the house. I just noticed one of the piers is cockeyed - sank into the mud at a 30 degree angle - looks really weird, but somehow the post is straight.
 
Reply

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are Off
[IMG] code is On
HTML code is On
Trackbacks are Off
Pingbacks are Off
Refbacks are Off


Thread Tools
Search this Thread
Display Modes