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HVAC Sound Attenuation Calculator for Ductwork
HVAC Sound Attenuation Calculator for Ductwork
Source Sound Level (dB)
*
Duct Length (ft)
*
Duct Shape
*
Select...
Rectangular
Round
Rectangular
Round
Acoustic Lining Installed
*
Yes
No
90° Elbow Count
*
Flexible Duct Length (ft)
*
Duct Silencer Grade
*
Select...
None
Light Duty
Medium Duty
Heavy Duty
None
Light Duty
Medium Duty
Heavy Duty
Termination Type
*
Select...
Diffuser/Register
Open Plenum
Free Discharge
Diffuser/Register
Open Plenum
Free Discharge
Calculate
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