203cfm centrifugal fan feels weaker than 130cfm fan?

Z

zizou21

Active Member
I just upgraded from a TD-100x (135/100cfm; high/low) to a [FONT=Verdana, Arial, Helvetica, sans-serif]Silent TD-100XS (203/108cfm) because of smell problems, but my old TD-100X of 135cfm seems to blow more air than the new silent 200cfm fan. Am I missing something here? Yes I am certain they are both set to high.

Here's a link to the new fan (TD-100XS)
[/FONT]http://www.hvacquick.com/products/residential/Bathroom-Ventilation/Remote-Fans-for-Bath/S-P-TD-SILENT-Series-Inline-Fans

and the old fan (TD-100X)
http://www.hvacquick.com/products/residential/Bathroom-Ventilation/Remote-Fans-for-Bath/SP-TD-Series-Inline-Fans

Please if anyone has any idea what is going on, please enlighten me. I just installed it but it seems a lot weaker, I will test the smell in a few hours but I Really doubt this was much of an upgrade for 150$..

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M

monkeybones

Well-Known Member
if it feels like it's blowing more air, then it probably is. unless there are leaks you don't see, there should not be anything you are missing. it could just be a lower quality fan, or the power of the fan could be excess, winding up as turbulence rather than airflow
 
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