Systems and methods for controlling refrigerator temperatures are provided. In one example embodiment a control system for adjusting the temperature of a refrigerator, wherein the refrigerator includes a fresh food compartment, a freezer compartment and a cooling system, the control system includes a printed circuit board, one or more thermistors, one or more processors and one or more memory devices, the one or more memory devices storing instructions that when executed by the one or more processors cause the one or more processors to perform operations, the operations can include monitoring one or more characteristics of the one or more thermistors, determining the temperature of the fresh food compartment based, at least in part, on the characteristics of a first thermistor, comparing the determined temperature of the fresh food compartment to a first predetermined threshold value, and determining, by the one or more processors, whether to operate the cooling system.