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Normal
Sounds
Sound of Rushing Air
At the front of the unit, you may
hear the sound of rushing air
being moved by the fan.
High pitched
Chatter
Today's high efficiency compressors
may have a high pitched chatter
during the cooling cycle.
Vibration
Unit may vibrate and make noise
because of poor wall or window
construction or incorrect installation.
Gurgle/Hiss
"Gurgling or hissing" noise may be heard
due to refrigerant passing through
evaporator during normal operation.
Pin /nq or Sw/sh/n
Droplets of water hitting condenser
during normal operation may cause
"pinging or swishing" sounds.
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