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Biodrying is a technology used to reduce water content in waste using microorganisms that naturally increase the temperature in the decomposition process. With this process, the water content can drop more within a month. Biodrying produces a product in the form of Solid Recovered Fuel (SRF) which is produced from partially degraded waste. To obtain a waste that is not fully stabilized and maintains a high biomass content, degradation of organic compounds is carried out partially. During the biodrying process, temperature affects the degradation process. Temperature affects the biodrying which will also affect the biodrying product that is indicated by the value of water content. Therefore, in this study, the change of process parameters will be explained, which is in the form of temperature and water content, that is caused by the difference in the air discharge entering the reactor (0, 2, 4, and 6 l/m) with initial water content of 60% - 65%. After 30 days, the optimum air flow is 4 l/m with a decrease in water content of 58.29%; on the last day of the biodrying process (30th day).