Bensaad, MouniaDR. Nehari TayebBenghorzi, Adel2025-07-132025-07-132025http://dspace.univ-temouchent.edu.dz/handle/123456789/6644In this we did a study of a cold room at a negative temperature, which allowed us to understand the importance and the necissitance to take into account all the elements that intervene in the study and dimension of a cold room, and we cited the components of the cold room. Also the study is used to choose the best refrigerant that works in a negative temperaturefrThesis