The invention relates to a thermal conditioning furnace (10) including a
first infrared (IR1) heating element (32), an ultraviolet (UV) sterilizer
(76) and a second infrared (IR2) heating element (34) for successively
carrying out a decontamination for sterilizing at least the outer surface
(28) of the body (14) of the perform (12), and to an equipment (56)
including such a furnace (10) for producing sterile vessels (68) by a
blowing or stretching-blowing technique from decontaminated performs (12)
of a thermoplastic material.