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View Full Version : What makes a air conditioner grimd and squeal

kimtow
Jan 6, 2010, 05:15 PM
Outside ac unit is squealing and grinding when the heat is on. Home is only 2 yrs old
hvac1000
Jan 6, 2010, 05:48 PM
Probably the fan motor or fan blade is the cause of the noise.
mygirlsdad77
Jan 6, 2010, 06:05 PM
Is this a heat pump unit.