when we transport out a technician to run a call like this, they often find that the motor became unbalanced because a little of debris got into the blower compartment. candy wrappers, old receipts, and even plastic army men have been known to find their way into the blower motor. these tiny objects have the power to destroy this rather expensive part of your unit, and they traveled through your duct job to do as a result.
preventing costly hvac noises | hanover park, oswego, berwyn is a post from: heating and colding furnace repair
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