Patent ID: 7735332

Claim:
An air conditioner comprising: a front frame, a rear frame and a base pan defining an outer appearance of the air conditioner; a condenser that allows indoor air to be heat-exchanged with refrigerant; an evaporator that allows outdoor air to be heat-exchanged with refrigerant; an indoor blower unit that guides introduction and discharge of indoor air; an outdoor blower unit that discharges the heat exchanged air with a refrigerant to an outdoor side; a control box in which a plurality of electronic components controlling the operation of the air conditioner are installed; and a drain pan that divides an inner space between the front and rear frame into an upper half accommodating the condenser and a lower half accommodating the evaporator, the drain pan including a control box installation opening, wherein the control box is installed in the control box installation opening, one end of the control box being disposed above the drain pan and the other end of the control box being disposed below the drain pan, and wherein the indoor air passing the condenser flows to the indoor blower unit and the indoor air passing the indoor blower unit flows to the control box so that the control box is cooled by the indoor air.