Sound and Vibration
ASHRAE Technical Committee 2.6

HVAC Noise Recordings

Water Cooled Chillers

Centrifugal, 1000 Ton

Screw, 100 tons

Screw, 100% Load

Screw, 66% Load

Reciprocating

Condensers

Air Cooled

Cooling Towers

Crossflow, Axial Fan

Crossflow, Centrifugal Fan

Fans

Centrifugal, Forward Curved

Centrifugal, Airfoil

Centrifugal, Mixed Flow

Centrifugal, Plenum Return

Centrifugal, Plenum Supply

Propeller

Radial blade - 31 p5hz

Tubeaxial

Vaneaxial

Supply Air Diffusers

Diffuser

Diffuser - Whistling

Rooftop Units

Unisolated

No Ceiling