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Should I Use A Dehumidistat In The Summer?

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Should I Use A Dehumidistat In The Summer? Dutch Buckhead 07-12-2007
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Posted by DIMwit on July 12, 2007, 9:01 pm

Bubba already answered that question.


>>
>>>I just moved into a house in Florida this past Spring which has a
>>>thermostat and a separate dehumidistat. The dehumidistat apparently
>>>controls the air conditioner separately from the thermostat. Even if the
>>>thermostat is off, the dehumidistat will kick on the A/C if it is set
>>>below the actual humidity level in the house.
>>>
>>> Should I use both of them in conjunction with one another during the
>>> summer? If not, I'm wondering why the dehumidistat was even installed
>>> since there is not a dehumidifier in the house.
>>>
>>> Thanks in advance!
>>
>> yes
>> The A/C *IS* the dehumidifier
>
> Why would I need a separate dehumidistat, though?
>



Posted by mm on July 12, 2007, 3:10 pm
On Thu, 12 Jul 2007 13:56:19 -0400, "Dutch Buckhead"

>I just moved into a house in Florida this past Spring which has a thermostat
>and a separate dehumidistat. The dehumidistat apparently controls the air

Isn't this really a humidistat? Connected to something that
dehumidifies.

I'm sort of reminded of my grandmother who had diabetes and tried
especially to buy diabetic food, instead of dietetic food like the
doctor recommended.

>conditioner separately from the thermostat. Even if the thermostat is off,
>the dehumidistat will kick on the A/C if it is set below the actual humidity
>level in the house.
>
>Should I use both of them in conjunction with one another during the summer?
>If not, I'm wondering why the dehumidistat was even installed since there is
>not a dehumidifier in the house.
>
>Thanks in advance!
>


Posted by Bubba on July 12, 2007, 3:54 pm
On Thu, 12 Jul 2007 13:56:19 -0400, "Dutch Buckhead"

>I just moved into a house in Florida this past Spring which has a thermostat
>and a separate dehumidistat. The dehumidistat apparently controls the air
>conditioner separately from the thermostat. Even if the thermostat is off,
>the dehumidistat will kick on the A/C if it is set below the actual humidity
>level in the house.
>
>Should I use both of them in conjunction with one another during the summer?
>If not, I'm wondering why the dehumidistat was even installed since there is
>not a dehumidifier in the house.
>
>Thanks in advance!
>

Usually, this separate de-humidistat is put into homes in Fla where
the house is left unoccupied for lenghty times.
You can turn the temperature up to say 85 degrees or whatever you want
but set the de-humidistat to a setting that wont let mold and mildew
ruin the structure. These are installed in a lot of southern rental
homes.
Bubba

Posted by Tony on July 12, 2007, 4:36 pm
Well Dutch
As you have been told that your AC is dehumidifier.
getting control of humidity can be achieved two three different
ways most simplest way is variable circulation fan motor
by reducing speed of motor you are at same time reducing
temperature of your cooling coil, resulting taking much more
of moisture out. Note: motor does not need to be
a variable it could be multi speed which it serve same purpose.
The other ways is by adding preheat coil before the evaporator
or adding electrical heater elements both configuration will do
practically same job. Question remain why?
well since you are in Florida where humidity could be high all
year round that would be easiest way maintaining desirable
humidity range inside any enclosure such as in this case house.
With electrical elements you need to have fat valet
because you would be bucking cooling with heat.
Tony
www.cas-environ.com


>I just moved into a house in Florida this past Spring which has a
>thermostat and a separate dehumidistat. The dehumidistat apparently
>controls the air conditioner separately from the thermostat. Even if the
>thermostat is off, the dehumidistat will kick on the A/C if it is set below
>the actual humidity level in the house.
>
> Should I use both of them in conjunction with one another during the
> summer? If not, I'm wondering why the dehumidistat was even installed
> since there is not a dehumidifier in the house.
>
> Thanks in advance!
>



Posted by DIMwit on July 12, 2007, 6:48 pm
Hi Tony,

I usually understand what you say, but why would he need a fat valet? maybe
he does not have a car to be parked?

A fat wallet has a wad of money, though.


> Well Dutch
> As you have been told that your AC is dehumidifier.
> getting control of humidity can be achieved two three different
> ways most simplest way is variable circulation fan motor
> by reducing speed of motor you are at same time reducing
> temperature of your cooling coil, resulting taking much more
> of moisture out. Note: motor does not need to be
> a variable it could be multi speed which it serve same purpose.
> The other ways is by adding preheat coil before the evaporator
> or adding electrical heater elements both configuration will do
> practically same job. Question remain why?
> well since you are in Florida where humidity could be high all
> year round that would be easiest way maintaining desirable
> humidity range inside any enclosure such as in this case house.
> With electrical elements you need to have fat valet
> because you would be bucking cooling with heat.
> Tony
> www.cas-environ.com
>



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