Abstract: An image heating apparatus includes an electroconductive heat generating element; an excitation coil for producing a magnetic flux, the excitation coil produces a magnetic flux which is effective to generate eddy current in the electroconductive heat generating element to generate heat in the electroconductive heat generating element; an electric circuit for energizing the excitation coil, the electric circuit having a series resonance circuit and a switching element connected with the series resonance circuit; electric power supply control means for controlling the switching element to effect switching between an energization state and non-energization state for the series resonance circuit.