AEG K21EC is a portable air conditioner with an electronic microprocessor control system, giving the user the choice of local or remote control operation. Its capabilities include:

• Cooling - Cools, dehumidifies and filters the room air. Maintains desired room temperature.
• Heat - Heats and filters the room air. Maintains desired room temperature.
• Dry - Dehumidifies and softly cools the room air.
• Fan - Circulates the air in the room without cooling or heating.
• Sleep - Gradually increases the temperature at night to create a more comfortable sleeping environment.
• Timer - Turns the air conditioner on or off after a specified number of hours.