Window air conditioner

A window air conditioner comprising:

• an indoor unit component including:
• an indoor unit housing;
• an indoor heat exchanger arranged in the indoor unit housing;
• and
• a base assembly arranged below the indoor heat exchanger and provided with an accommodation groove that is located in the indoor unit housing at a side of the indoor heat exchanger;
• an outdoor unit component;
• and
• a water treatment system including:
• a filter assembly including a first filter device and a second filter device that are both arranged in the accommodation groove, a water outlet of the first filter device being in communication with the accommodation groove, and a water inlet of the second filter device being in communication with the accommodation groove;
• and
• a water consumption assembly including a humidification device and a spray device, a water inlet of the humidification device being in communication with the accommodation groove, a water inlet of the spray device being in communication with a water outlet of the second filter device, and a minimum filter pore size of the second filter device being smaller than a spray pore size of the spray device.