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