Door assembly for home appliance, electric oven using the same, and method for operating electric oven

摘要

A door assembly for a home appliance includes a door that opens and closes a heating chamber. The door may include a first plate and a second plate, the first and second plates forming a first air gap in the door for insulating heat in the heating chamber. Additionally, a valve may be provided in the door, the valve may selectively allow air outside the first air gap to communicate with the first air gap..