Fermenting the mixed dough for defined time. Temperature and humidity to be controlled in exact. Trolley car(contained dough) are used for fermentation. The room constructed and enclosed by sandwich insulating panels. An air handling unit(AHU) is provided to maintain the thermal and hygrometric conditions required. It is composed of the following parts ¤ıFermentation Room housing ¤ı Pusher for getting the trolley-car inwards the room.(optional) ¤ıPuller for getting the trolley-car outwards the room.(optional) ¤ıAHU(air handling unit) ¤ıElectrical driven door for entrance & exit door