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Posted by Zyp on March 2, 2008, 8:12 pm
hallerb@aol.com wrote:
>> hall...@aol.com wrote:
>>>> geothermaljones wrote:
>>>>> Check out the UV in the return ductwork...
>>>>> The UV can degrade the plastics oft found on the A/C Coils, namely
>>>>> the condensate drain pan.
>>
>>>>> ? ?geothermaljones
>>
>>>>>> I'm replacing my central air conditioner with a much more
>>>>>> efficient one. (I hope Congress restores the $500 tax credit
>>>>>> this year!) One of the options I can buy is UV lamps for the
>>>>>> coils. Carrier makes these claims:
>>
>>>>>> - Kills bacteria & mold growing on the indoor coil
>>>>>> - Enhanced indoor air quality
>>>>>> - Enhanced air flow
>>>>>> - Minimizes microbial build-up on coils
>>>>>> - Improves system efficiency
>>
>>>>>> See:http://www.residential.carrier.com/products/airquality/uvlamp/
>>
>>>>>> Now I don't yet know how much this option is (or the annual
>>>>>> replacement of the bulbs). But is this something worth
>>>>>> considering?
>>
>>>>>> Don <www.donwiss.com> (e-mail link at home page bottom).
>>
>>>> donwiss:
>>
>>>> Geothermljones is spot on. ?You have to be cautious on the
>>>> evaporator coil pans.
>>
>>>> HVAC Tech isn't thinking well. The mold that can grow will inhibit
>>>> thermal transfer from the air to the coil. ?UV lights have been
>>>> proven to increase efficiency in that respect. ?Albeit over time.
>>
>>>> The thing with mold though, is it requires a dark, damp and warm
>>>> spot to grow. ?That in mind, while the air conditioning is in
>>>> operation, the cooling coil hopefully is around 40? F. ?Not the
>>>> best for mold growth. ?But, when standing water is left in the
>>>> condensate pan, and the system is at rest [or heats during the
>>>> evening, cools during the day], can leave the opportunity for mold
>>>> growth.
>>
>>>> --
>>>> Zyp- Hide quoted text -
>>
>>>> - Show quoted text -
>>
>>> well turn the heat on occasionally even in the summer.. with windows
>>> open.
>>
>>> nice hot furnace air should kill any mold growing in there
>>
>> Mold likes it steamy. ?Generally 98? or better in fact. ? Turning on
>> the heat occasionally might increase growth. ?Ever heard of "dirty
>> sock syndrome?" ?During a heat pumps operation, water left standing
>> in the condensate pan aids the growth of microorganisms and
>> bacteria. ?The result is the co-toxins produced and the stench as
>> well.
>>
>> As long as the condensate pan is metal, and, a UVC light is
>> installed in such a manor not to expose other plastic parts to the
>> light, they are a good remedy to eliminate mold growth around the
>> evaporator. ?But, it is recommend the bulb be replaced annually.
>>
>> --
>> Zyp- Hide quoted text -
>>
>> - Show quoted text -
>
> my point was that with the heat on any mold will dry out and die.
Hmmmm
Are you sure? I'm not a mold expert. But I'm thinking remission. Dry mold
out [or it's spores] and it may go into remission waiting for moisture to
become present.
--
Zyp
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