The Accredited Education System is a progressive training model suitable to characteristics and conditions of Vietnam education and international education integration. Therefore, the thesis topic “A Study on the Accredited Education System - Ho Chi Minh University of Industry - Particularly on the Heat-Refrigeration Department” is very essential for HUI in the process of development in order to improve teaching and learning quality. The purpose of this study was to systemize the basis of reasoning about credit, credit training and management by credit in HUI (Heat-Refrigeration department). The method use in this study was quantitative method by delivering the questionnaire to undergraduate students of the Heat-Refrigeration department, year 2, 3, 4 and sending to enterprises employing students of articulation, year 3 by mail and hand. Totally, 301 questionnaires were sent to undergraduate students and 98 to enterprises. Excel software was used to analyze the data. The findings and the outcomes of this study showed that students were almost satisfied with knowledge they got and career skills. Enterprises agreed that students had good career skills. About haft of the students thought self-study was essential for them; enterprises had positive assessment about students’ self-study. Students were almost satisfied with teaching by credit. The application of this study was for completing effective solutions of credit training in HUI, Heat-Refrigeration department and improving the efficiency of education and training in order to finish the accredited education system in Heat-Refrigeration department as well as in HUI. Moreover, other Vietnam universities can apply these results for their education systems as a reference source. Finally, suggestions for further research were also mentioned.