To efficiently heat an indoor space at low costs by shielding wasteful heat radiation when heating is unnecessary.

This heat storage heating device 100 comprises a heat storage material 110 for storing heat, a heater 120 converting electric power into heat and heating the heat storage material 110, a surrounding body 130 made of a heat insulating material and surrounding the heat storage material 110, an opening shielding portion 140 made of the heat insulating material and openably and closably shielding an opening portion 142 of the surrounding body 130, a housing 150 surrounding the surrounding body 130, an air blower 160 disposed on a position corresponding to the opening portion 142 of the surrounding body 130 and capable of releasing the air heated by the heat storage material 110 to the outside of the housing, and a radiation control portion 170 for opening the opening shielding portion 140 and operating the air blower when the heat is radiated, and closing the opening shielding portion 140 in a state of completely surrounding the heat storage material 110 by the heat insulating material and stopping the air blower 160 when the heat is not radiated.