On 6 Dec 2004 13:38:49 -0800, someone wrote:

The problem is the suction and dust
problems I get with drapes, blinds, etc. in front of the grilles.


Enlarge the openings so that the velocity is not so high. If you
don't care to do the surgery, then don't use long drapes that cover
the vents. And clean your house including any duct buildups.

-v.



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