This study aims to develop an innovative refrigeration and air conditioning curriculum for technical high schools using the ADDIE (Analysis, Design, Development, Implementation, and Evaluation) instructional design model. Through instructional experiments, the appropriateness of the innovative curriculum developed with the ADDIE model is validated. The researcher initially constructs competency indicators suitable for the innovative refrigeration and air conditioning curriculum in technical high schools. Subsequently, competency-oriented modules and teaching materials are developed, encompassing ‘‘Basic Industrial Wiring Course,’’ ‘‘PLC Programmable Logic Controller Operation and Design Course,’’ and ‘‘System Integration and Comprehensive Application.’’ The effectiveness of the developed curriculum is assessed and validated through the evaluation of learning outcomes involving 67 second-year students from technical high schools. The results indicate that students exhibit high levels of learning effectiveness and satisfaction. Furthermore, the developed competency indicators, instructional content, and teaching materials align well with the demands of practical skills required by the industry. The proposed curriculum development model can be extended to interdisciplinary or vocational training program development, contributing to the cultivation of skilled professionals equipped with practical expertise. © 2024 Tempus Publications. All rights reserved.
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