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Posted by pat smith on July 30, 2005, 11:38 pm
Why not subfeed the Heat/AC blower with a circuit, " Humidistate>>Relay>>Fan
Switch>>Motor". Set Humidistate to close circuit at about 55%>>fan runs>>52%
circuit opens>>fan stops....
>I am running my dehuminifer at 45% humidity level in my basement, and I
> am also in Northern New Jersey.
>
> I have two things that I need to mention about the use of a
> dehuminifer:
>
> 1. Seem like its air moving capability is not that great even at high
> fan speed. I have a feeling that it is only dehuminifing the adjacent
> area. This "may" be a problem if the basement is partitioned in
> multiple rooms or closets. Honestly, I am not sure about this. After
> using it for two years, I don't have any mildew problem in my basement
> (I had mildew problem in my basement before I started using the
> dehuminifer). I guess it is doing something good in my basement despite
> my concern about its coverage and despite the fact that my basement is
> partitioned into two large rooms (with opening between rooms) and with
> two closets.
>
> 2. Running dehuminifer can generate enough heat that we can feel
> uncomfortably warm in the summer even with reduced humidity level. This
> is especially bad if we have an exercise room in the basement. You
> "may" need to add air-conditioning in addition to using the
> dehuminifer. Still, using the dehuminifer should be the first choice
> over the use of air conditoning to reduce humidity level because I am
> under the impression that the air conditioner will stop as soon as the
> room temperatur has dropped down to the pre-set level regardless if the
> humidity level is reduced enough or not (and basement tends to be
> cooler than the rest of the house to begin with; hence the air
> conditioner will only run for a short while and probably will not
> dehuminify enough).
>
> Jay Chan
>
>
> jay wrote:
>> <<Do you have windows in the basement? Opening the windows will allow air
>> to circulate and remove some of the dampness and humidity.>>
>>
>> Yes, there are windows, but opening them is not very convenient, and
>> leaving
>> them open could worsen the problem if it is a humid day.
>>
>> By the way, simply by keeping the blower motor of the heating/ac system
>> running continuously, the circulation of the air throughout the house, so
>> far, seems to be keeping the basement's relative humidity within the mid
>> to
>> upper 50s (as opposed to sometimes creeping up into the mid 60s if the
>> blower motor is turned off). The humidity in the rest of the house is
>> still
>> well below 50%.
>>
>> Is a basement relative humidity level in the upper 50s too high if the
>> goal
>> is to prevent potential mold/mildew in my finished basement?
>>
>> Thanks,
>>
>> J.
>
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