The invention discloses a window-type air conditioner, comprising an indoor heat exchanger, an indoor fan, an outdoor fan and an outdoor heat exchanger which are arranged in a casing of the window-type air conditioner from indoor to outdoor in sequence, wherein, a baffle used for distinguishing the indoor part and the outdoor part of the air conditioner, and a compressor respectively communicated with the indoor heat exchanger and the outdoor exchanger through a coolant pipeline are arranged between the indoor fan and the outdoor fan, the compressor is arranged in the indoor side of the window-type air conditioner, and is positioned at the same side of the indoor heat exchanger and the indoor fan. In the window-type air conditioner provided by the invention, through arranging the compressor in the indoor, the space in the indoor is fully utilized, thus shortening the overall volume of the window-type air conditioner on the premise of not changing the performance of the window-type air conditioner, decreasing the occupation space for installing the window-type air conditioner, saving raw materials, and lowering the production cost.