The climatic chambers are enclosures that provide a desired climate regardless of the outside environment. They are frequently used in research and industry, durability testing of materials, devices or appliances. FIME-UANL developed a climatic chamber, it is located in the climate-controlled laboratory. This climatic chamber has the facility of electronic expansion valve (EEV), electronic hot gas valve bypass (EHGB), pressure regulating valve (EPR). The goal of this work is to develop and implement control algorithms, that to improve the performance of the cooling system of the climatic chamber without compromising its performance in terms of accuracy and stability. In addition to assessing the energy performance through the pressure ratio due to the use of control strategies in the cooling system of the climatic chamber using cooling system COP and pressure ratio as a comparator.