Built-in cooking device

A built-in cooking device comprising:

• a cooking device body built into a cabinet and having in an interior thereof a heating chamber capable of storing an object to be cooked;
• a door capable of closing a front side opening of the heating chamber and comprising a partition portion provided on the inner side of the door;
• an air inlet portion communicated with a lower side portion of a front wall of the cooking device body for taking in outside air to supply air that cools electric components and sending said air into the heating chamber;
• and
• an air outlet portion for discharging the air from the heating chamber containing heat and vapor generated during cooking of the object to be cooked;
• wherein the air outlet portion has an air outlet duct connected to a side wall of the heating chamber and the lower side portion of the front wall of the cooking device body,
• the air inlet portion is provided at an inner side of the door adjacent to the air outlet portion,
• the air inlet portion is provided at a center on the lower side portion of the front wall and the air outlet portion is provided at both sides on the lower side portion of the front wall, at positions lower than the bottom portion of the heating chamber, such that the air inlet portion and the air outlet portion are divided in a vertical direction, and
• the partition portion is provided so as to separate a boundary of the air inlet portion and air outlet portion in the vertical direction.