The invention relates to household appliances, in particular to an air conditioner fan. The air conditioner fan comprises a hollow shell and a draught fan assembly and further comprises a heat exchange device. The hollow shell is provided with an air inlet and an air outlet. The draught fan assembly is arranged in the shell and comprises a shell body provided with an air feeding opening and an exhaust opening, and a draught fan arranged in the shell body, wherein the air feeding opening communicates with the air inlet. The heat exchange device comprises a heat exchange coil pipe movably arranged at the position of the exhaust opening. The heat exchange coil pipe is moved out of the exhaust opening in the fan mode and is moved to the position of the exhaust opening in the refrigerating or heating mode. The air conditioner fan which is large enough in air capacity and good in customer comfort in the fan mode is provided for solving the technical problems that according to an air conditioner fan in the prior art, due to the existence of the heat exchange device, the air capacity of the air conditioner fan is blocked by the heat exchange device and is not enough in the fan mode, and the customer comfort is poor.