Re: Re: Copper in HVAC Coils

[Guest guest]

Excellent points on what works. Thanks, Jeff.

Carl Grimes

Healthy Habitats LLC

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>

>

> Thanks Carl,

>

> Just one more item to point out.

>

> The ONLY thing that prevents mold in A/C systems is efficient filtration

because this is what removes the

> food for microbial growth.

>

> ASHRA recommends a minimum of MERV-8 filters for A/C and for folks with

allergies, etc. MERV-11 filters

> are a must.

>

> Don't be fooled by claims of treated, washable, electrostatic or electronic

filters.

>

> Disposable, pleated media filters are the answer for central systems, the

deeper the better.

>

> For window and wall A/Cs, pleated media filters are not available and you must

use foam-type pad filters

> (such as Web Products).

>

> Although high-energy, UV-lamp arrays can be effective in commercial

installations, typical, single-bulb UV

> lamps for homeoowner systems are useless.

>

> Some of you may be interested in the PDF of the presentation I gave at the

National Air Filter Association

> (lots of photos!), accessible from the home page at <www.mayindoorair.com>.

>

> May

> May Indoor Air Investigations LLC

> www.myhouseiskillingme.com

>

>

> >

> > Group,

> >

> > Re: previous subject posted July 23: " New Research is a Breath

> > of Fresh Air for Heating and Air Conditioning Units "

> >

> > As a follow-up to my post about how careful and diligent we must

> > be on the mycotoxin test kit (and all other claims), I have a

> > response on copper cooling coils from an HVAC expert who is

> > deeply involved with several HVAC non-profit organizations, is a

> > leader in developing industry standards, plus has some insight

> > into regulatory agencies.

> >

> > The above news item was touting how copper has anti-microbial

> > properties and thus offers the " breath of fresh air " for HVAC units.

> > The A/C coils are notorious for a build-up of dust plus growth of

> > mold and bacteria because they act like a filter and become

> > damp with use. It is a difficult and costly problem for the

> > equipment and, oh by the way, can affect people.

> >

> > Paraphrasing his response to me plus my comments:

> >

> > A lobbyist group representing the copper industry successfully

> > lobbied for a government grant to study the anti-microbial

> > properties of copper. Copper is a very strong anti-microbial as is

> > already well known. The study confirmed this. (Waste!) So now

> > the lobbying effort is to get EPA to issue claims about the anti-

> > microbial properties of copper. ............

> >

> >

>

>