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Posted by Don Ocean on February 14, 2009, 8:10 pm
makolber@yahoo.com wrote:
>> I was getting some prices today from Johnstone and a couple of others
>> for Ultraviolet Duct systems. Johnstone tells me they have only sold
>> about 6 all year. A couple of years ago, they were all the rage. We do
>> have a lot of people with breathing problems that require top filter
>> systems etc due to an aging population. We also have a radon Gas problem
>> as the entire state sits on decaying granite. Along of course with the
>> usual mold, some of it black. I am curious what other area's are doing
>> to curtail virus, spores and to give a better IAQ for our less healthy
>> oldsters etc. I have installed a number of these items including
>> ultraviolet over the years. Do any of you folks install much of that any
>> more? This is a serious problem as most of us never make it past 90
>> years old. Thats a long time to labor unhealthy lungs.
>
> UV light does nothing for radon, I'm sure you know that.
Radon is treated by sealing basements etc. But it still roams around in
the open air. ;-p
>
> I installed an outside air intake into the return duct of my furnace.
> A *small* amount of the return air is pulled in from outside. Yeah,
> I know I'm paying some more for heat bacause of this but the air in my
> home is pretty fresh in the winter so I think it is a good tradeoff.
>
> Mark
Actually that is code here. We have to bring in 10% outside air to mix
with the supply air. It originally started out as 26% by International
code. We do use equipment to transfer outgoing heated airs energy to
incoming air etc.
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> Ultraviolet Duct systems. Johnstone tells me they have only sold about 6
> all year. A couple of years ago, they were all the rage. We do have a lot
> of people with breathing problems that require top filter systems etc due
> to an aging population. We also have a radon Gas problem as the entire
> state sits on decaying granite. Along of course with the usual mold, some
> of it black. I am curious what other area's are doing
> to curtail virus, spores and to give a better IAQ for our less healthy
> oldsters etc. I have installed a number of these items including
> ultraviolet over the years. Do any of you folks install much of that any
> more? This is a serious problem as most of us never make it past 90 years
> old. Thats a long time to labor unhealthy lungs.