A cooktop appliance apparatus for use in cooking. The appliance including a controller for controlling operation of the fan system based on an average power level supplied to a heating system, and based on a temperature measure associated with the one or more subsystems. The appliance including a hardware-implemented safety module comprising two or more temperature actuated safety circuits. The appliance including a user interface adapted to receive a user input with respect to operating parameters of the heating system, the user input including a heating control mode and a set temperature. The appliance including a controller adapted to identify a cooking vessel on an induction cooktop.