The effect of cooling water temperature on the course of ozone synthesis in a small quartz type ozonizer has been experimentally investigated. Ozone concentration as a function of energy density rises till it reaches its maximum and then decreases. The lower the temperature is the higher the maximum gets and it corresponds to larger energy density values. Energy consumption in the interval of discharge power corresponding to the rising part of ozone concentration curve only a little depends on the temperature. The results indicate that use of the magnitude of energy density known as Becker's parameter for kinetic description of ozone synthesis from air, especially in various temperatures is not justified.