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Constantino

10:49PM | 09/05/09
Member Since: 09/05/09
1 lifetime posts
I have now owned 3 of these. Two in my previous house . 0ne in suite and one upstairs .(no stairway or opening in floor to downstairs. It got rid of condensation and mold,midew issues on windows and walls, especially on alluminum double pane. In my new house i bought another one and because i have a duct to the basement it does the whole house. Its a simple machine and it works period. You do not lose any heat if installed correctly. I call it a low cost air exchanger. It works and i am one happy repeat customer. I bought mine for $ 400 canadian and installed it myself. Highly recommened.

KingVolcano

06:51PM | 09/06/09
Member Since: 03/03/05
273 lifetime posts
I have plenty of happy clients using these units for years without problems. You are correct, they are simple yet effective. I strongly recommend them to anyone wishing to put a workout area in the basement or have a finished basement. The difference in air quality is night and day.

algirl10

09:51AM | 10/17/11
Member Since: 10/17/11
3 lifetime posts
I was also told that I needed to get one for our crawl space. I don't really know why so can someone explain it to me further? Is the moisture in the crawl space doing damage? I was told about this website that has a specific Crawl Space Dehumidifier. Is that the type I should be looking for? Sorry for all the questions!

dleighton

10:51AM | 03/20/13
Member Since: 03/20/13
1 lifetime posts
I have owned a Humidex model 209 since March 2000 and I am totally amazed how well and efficient they work vis-a-vis less than $400 cost versus ten times the cost for a $4,000 HRV.

In the winter, I use it as a air exchanger and in the summer, I use it in conjunction with my dehumidifier to remove excess dampness from the cold concrete floor.

This Humidex does what I expected it to do - expell cold air.

BV002063

12:22PM | 09/11/13
what should the relative humidity of a crawl space be? 30-50%? One place told me it need to be below 20%! Is this correct?

BV003171

10:53AM | 02/03/14
Hi I am getting all kinds of mixed information. I have a room in my basement that is located under my front porch, which is slab concrete. During the condensation from the heat of the house hitting the cold of the porch creates water drops the ceiling of the room below and then drips onto the floor area. The room always smells slightly moldy. Should I get a dehumidifier to change the environment in the room or the Humidex? I have already wasted money on a basement waterproof system that did not solve the issue at hand..... Please help me with honest suggestions to solve the problem, as I am female and have no knowledge about what I am being told from the various vendors I have spoken to.

Duane, Moderator

10:14PM | 02/05/14
Member Since: 11/14/13
87 lifetime posts
Va homeowner,
I deal with crawl space issues in eastern VA, the best way forward is to seal off the existing foundation vents and install 8 to 10 mil polly ( this will not tear easily when work has to be performed in crawl space) the poly should wrap up the sides of the foundation leaving a gap between the plastic and sill plate ( wood on top of block/brick foundation) the gap should be at least 2 to 4 " for termite inspection. The next step is to determine the square footage of the crawl space, this will allow you to size the proper dehumidifier.
I recommend April Aire 70 pint per day unit, this will require 8" round duct work that will be 10' to 20' long. This style unit moves air throughout the crawl space preventing stagnant air pockets.
You can also install a remote sensor and install it in your house so you can monitor the crawl space humidity levels. This is also based on the fact that you have solved the ground water issue.

Thanks,
Duane Cotton
Bobvila.com expert moderator
www.buildamericaconstruction.com
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