There was no difference in the measurement of the freezing point of tilapia fish burger using the cooling curves obtained in two household refrigerator models and the differential scanning calorimetry (Dsc) The quick freeze function significantly decreased the freezing time. The use of thermocouples, a datalog- ger and domestic refrigerators was a simple, cheap and validated method to obtain the cooling curves and important information, such as freezing point, freezing times and freezing rates of high moisture foods, such as fish burger.