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Ceiling diffuser Noise

Ceiling diffuser Noise

Ceiling diffuser Noise

(OP)
   I have noise in a ceiling diffuser JS of Airguide.  The original disegn specified AVP-S.  The air quantity is 675 CFM.  The contractor installed ceiling diffuser type JS and we have a little noise.  I verified in the catalog cut and i didnt find the noise level for JS ceiling diffuser.  I found the noise level for AVP.  Could somebody explain if the JS generated more noise that the AVP.

RE: Ceiling diffuser Noise

is there a volume damper in the neck?

if so move it to the takeoff and use max 5' flex duct installed non-kinked ..... i spec buckley atmd w/ extended neck option

what application is the location ..... hard room surfaces? ..... office environment?

this post assumes similar noise levels w/ your diffuser types

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