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Air-Conditioner
BSMBOY
Jul 5, 2012, 07:44 AM
I have a 12 year old 12,000 BTU air conditioner that is now occasionally making a high pitch sound and am asking what could be the problem?
Stratmando
Jul 5, 2012, 07:49 AM
I would guess a bearing.
ma0641
Jul 6, 2012, 05:10 AM
I'M guessing this is a window unit. Could be a fan bearing or a fan cage hitting the housing.