Air conditioner

An air conditioner comprising:

• a housing having an air outlet chamber, a vent connecting the air outlet chamber with an outside being formed at a sidewall of the air outlet chamber;
• an air treatment apparatus disposed in the housing, the air treatment apparatus including an air treatment unit and having an air inlet;
• and
• an air guide mechanism movably disposed in the housing and configured to connect an inner cavity of the air treatment unit with the outside or isolate the inner cavity of the air treatment unit from the outside, wherein when the inner cavity of the air treatment unit is in communication with the outside, air entering through the air inlet flows through the air treatment unit and into the air outlet chamber, and then flows out through the vent;
• wherein the air guide mechanism is movably disposed in the air treatment apparatus, and the air treatment apparatus includes an air outlet casing disposed in the air treatment unit, the air outlet casing forming an air outlet cavity in communication with the inner cavity of the air treatment unit, the air outlet casing having an air outlet in communication with the air outlet cavity, the air guide mechanism being movably disposed in the air outlet casing and configured to cover or expose the air outlet, and the vent being in communication with the air outlet through the air outlet chamber when the air guide mechanism exposes the air outlet.