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Posted by Speedy Jim on December 12, 2006, 8:37 pm
charlie wrote:
> My house here in Florida is extremely dusty. I would like to find out
> why.
>
> I've asked local tradesmen, but to no avail. Perhaps some of you
> might have some ideas.
>
> Here are some details: House 6 years old. Problem 6 years old.
> Winter/summer makes no discernable difference. Heat pump, overhead
> supplies to each of the rooms, overhead returns from rooms. No dust
> collects in supply vents. Some dust, I would say a minimal amount,
> collects on return vents. The electrostatic filter in the H/AC never
> gets very dirty, and is cleaned twice a year. Yet a fine white dust,
> (not the color of any carpeting in the house) settles in all
> heated/cooled rooms. The dust rapidly collects on the leading edges of
> the blades of fans in those rooms. This dust appears to contain
> fiberous material. Bathrooms and kitchen utility room all have tiled
> floors, yet have the same problem as bedrooms and living room and dining
> room and closets, which are carpeted. Most windows in the house,
> especially bathroom windows, are almost never opened. Garage is not
> heated or cooled, is not carpeted, and has popcorn ceiling, but has a
> minimal dust problem, and dust in garage appears more as dirt (dark, not
> white).
>
> Any ideas?
>
> Thanks........ Charlie
>
>
Electrostatic filters are not very effective compared to today's
high performance deep-pleated media filters.
You might experiment by taping a dark cloth or paper over the
supply register and seeing if it picks up particles over
a week's time. That would at least confirm the source.
http://shortyshvac.com/ (I have no connection with them)
Look at the AirBear filters and cabinets.
Honeywell makes some too.
It may be a chore retrofitting a filter cabinet.
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