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Posted by hallerb@aol.com on March 2, 2008, 7:52 pm
> 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. =EF=BF=BDGenerally 98=EF=BF=BD or better in fact. =
=EF=BF=BD Turning on the
> heat occasionally might increase growth. =EF=BF=BDEver heard of "dirty soc=
k
> syndrome?" =EF=BF=BDDuring a heat pumps operation, water left standing in =
the
> condensate pan aids the growth of microorganisms and bacteria. =EF=BF=BDTh=
e 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 go=
od
> remedy to eliminate mold growth around the evaporator. =EF=BF=BDBut, 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.
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