Secondary heat exchange air conditioner and control method thereof

The invention relates to the technical field of household appliances, and discloses a secondary heat exchange air conditioner which comprises an air conditioner body, a refrigerant heat exchanger, a secondary heat exchange assembly and a fan. The air conditioner body is provided with an air outlet, and a first air duct and a second air duct are defined in the air conditioner body. The refrigerant heat exchanger is arranged in the first air duct; one end of the secondary heat exchange assembly is connected with the refrigerant heat exchanger, the other end of the secondary heat exchange assembly is provided with an indoor heat exchanger, the part, connected with the refrigerant heat exchanger, of the secondary heat exchange assembly is located in the first air duct, and the part provided with the indoor heat exchanger is arranged in the second air duct. And the fan is arranged in the second air duct and located on one side of the indoor heat exchanger. According to the air conditioner, the air flow temperature