Put your thermostat on "Fan-AUTO and Cool-OFF." after that, the air handler is making like a bubbling or cascade noise?
Put your thermostat on "Fan-AUTO and Cool-OFF." after that, the air handler is making like a bubbling or cascade noise?
Put your thermostat on "Fan-AUTO and Cool-OFF." after that, the air handler is making like a bubbling or cascade noise?
YES
NO