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.
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.
Radon is treated by sealing basements etc. But it still roams around in
the open air. ;-p
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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