We have a home in AZ and when it gets to be about 100 or more we get this sound from the small line that vibrates thru the hous. It is not constant. the unit is on the south side of the house and after 12 the sun hit this wall, where the lines are going into the house.What could be the cause, the compressor pulsating or what ?

Asked by Carl on 08/12/2009 1  Answer

ManualsOnline posted an answer 15 years, 4 months ago

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