A combination microwave and refrigerator system is provided. The microwave oven is connected to a source of power and has at least one control circuit for controlling the operation of the microwave oven. A first power supply outlet is provided on the microwave oven. A refrigerator is connected to the source of power by connection to the first power supply outlet. The control circuit is configured to disable the cooling operation of the refrigerator, when the microwave oven demands cooking power, and enable the cooling operation of the refrigerator when the microwave oven is not drawing cooking power. A sensor is provided in the microwave oven, and is configured to cause cooking power to the microwave oven to be turned off upon the sensor sensing a level of smoke.