The convection and steam ovens equipped with a high-power fan are the best solution for the various cooking methods to be used in the kitchen, such as grilling, browning, roasting, steam cooking and regeneration and holding cycles. The direct injection ovens are equipped with an automatic steamer which releases steam directly into the chamber; the special injectors spray particles of water directly into the heating elements in the cooking chamber; the fan nebulizes water and distributes the steam uniformly in the cooking chamber.