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ADDITIONAL THINGS YOU SHOULD KNOW
Normal Operating Sounds
High Pitched Chatter
High efficiency compressors may have a high
pitched chatter during the cooling cycle.
Sound of Rushing Air
At the front of the unit, you may
hear the sound of rushing air
being moved by the fan.
Vibration
Unit may vibrate and make
noise because of poor wall or
window construction or
incorrect installation.
Pinging or Switching
Droplets of water hitting
condenser during normal
operation may cause pinging or
switching sounds.
Gurgle/Hiss
Gurgling or hissing noise
may be heard due to
refrigerant passing
through evaporator
during normal
operation.