Air Conditioning - Measuring Noise at Registers

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slowillie
10-24-04, 10:56 PM
Is there an instrument for measuring noise at registers (or other points in an HVAC system)? Is there a range of normally-expected noise levels? I have one register that is much louder than the others (a new home). I am going to check it out, but it got me to thinking about measuring noise at varoius locations in the system.

Thanks

mattison
10-25-04, 09:47 AM
I own a db meter but only use it in commercial applications. Normally in residential if it's loud enough to be annoying to the customer it is a problem that needs to be addressed.

Have the GC get the installing company to meet with you and I'm sure they can remidy the problem.
Ed Imeduc
10-25-04, 02:07 PM
New home could be cheap registers. Might try a better grade register for the one that makes the noise.

ED ;)

GregH
10-25-04, 02:49 PM
slowillie,

One thing you could try is to remove the grill to see what difference it makes.
The noise could be from the ductwork.
Jay11J
10-25-04, 07:41 PM
What kind of noise it it making?? Too much air flow? Noise from the furnace or A/C?

If it's the air flow, it maybe too close to the furnace, and may have to close down the damper.