A method for regulating comfort in a passenger compartment of a vehicle, the passenger compartment including a seat, a radiant panel, and a heating device for the seat; the method being implemented by a controller having a memory containing a pre-established map. The method includes the following steps: acquiring a data item that is characteristic of the state of the passenger compartment, the characteristic data item including the temperature of the passenger compartment; determining, from the map, an optimal comfort level as a function of the characteristic data item; reading, in the map, regulation values associated with the optimal comfort level, the regulation values including values representative of the operating power of the radiant panel and of the heating device for the seat; and transmitting the read regulation values to the radiant panel and to the heating device.