Heating system for a succession of preforms made of plastic material of a given preform model, comprising: - a heating station designed to heat at least one test preform and the succession of preforms, - means for determining at least one preform parameter relating to the given preform model, - means for determining at least one machine parameter, representative of the heating capacity of the heating station, - means for determining at least one heating setting parameter allowing the heating station to heat the succession of preforms conforming to said given preform model to a reference temperature on the basis of the machine parameter, characterized in that the means for determining the setting parameter of the heating station comprise at least: - means for determining the theoretical quantity of energy to be supplied to a preform conforming to the preform model to heat said preform to the reference temperature, - a test preform, conforming to the preform model and heated in said heating station parameterized according to said determined preform and heating setting parameters to supply said theoretical quantity of energy to said preform, - means for measuring at least one parameter linked to the temperature of the test preform heated in said heating station so as to determine a difference between the real temperature of the heated test preform and the reference temperature, and - means for adjusting the quantity of energy that has to be supplied by the heating station as a function of said difference for a preform heated by said adjusted quantity of energy to be heated to said reference temperature at the output of the heating station, the heating setting parameter comprising said adjusted quantity of energy. - a heating station designed to heat at least one test preform and the succession of preforms, - means for determining at least one preform parameter relating to the given preform model, - means for determining at least one machine parameter, representative of the heating capacity of the heating station, - means for determining at least one heating setting parameter allowing the heating station to heat the succession of preforms conforming to said given preform model to a reference temperature on the basis of the machine parameter, - means for determining the theoretical quantity of energy to be supplied to a preform conforming to the preform model to heat said preform to the reference temperature, - a test preform, conforming to the preform model and heated in said heating station parameterized according to said determined preform and heating setting parameters to supply said theoretical quantity of energy to said preform, - means for measuring at least one parameter linked to the temperature of the test preform heated in said heating station so as to determine a difference between the real temperature of the heated test preform and the reference temperature, and - means for adjusting the quantity of energy that has to be supplied by the heating station as a function of said difference for a preform heated by said adjusted quantity of energy to be heated to said reference temperature at the output of the heating station, the heating setting parameter comprising said adjusted quantity of energy.