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Blower motor seems run weak - any suggestions?
I'm a new owner of 30 years old house.
This house's 2nd floor AC system runs weak. I can not feel any air stream from vents.
Previous owner told me that they hired technician to fix issue and problem was low refrigerant but I don't think so.
I changed filter and check / clean evaporator coils and condenser fins.
Are there any other suggestions to fix this issue except just call the pros?
Does bad capacitor slower blower motor?