A system (21) for the continuous treatment of products such as waste by thermal input, includes: —a product treatment chamber (210), —a device (211) for supplying heat by microwave generators (211a), arranged with respect to the chamber (210) such that the microwaves are contained in the chamber (210), —a moving floor transportation device (212) resting on the bottom of the chamber (210), capable of transporting a layer of products (D) from the entry thereof into the chamber until the exit thereof from the chamber, —a containment device (213) for the products and the vapors released by same, inside the chamber.