Abstract: A housing assembly includes a top panel provided with connection side members at opposite ends of the top panel, respectively, and extending downward, and a middle frame including two opposite side panels. An upper end of each of the side panels is connected to a corresponding one of the connection side members. A buckle structure and a screw lock structure are provided between the upper end of each of the side panels and the corresponding one of the connection side members.

Abstract: A portable air conditioner is provided. The portable air conditioner has a cabinet and an air outlet housing. The cabinet has an upper housing and a lower housing. The lower housing projects rearwardly relative to the upper housing. The upper housing is provided with a first air inlet, and the lower housing is provided with a second air inlet. The air outlet housing is mounted in the cabinet. An inlet of the air outlet housing is provided with a heat exchanger. The first air inlet is communicated with the heat exchanger to form a first air intake channel. The second air inlet is communicated with the heat exchanger to form a second air intake channel.