DENSO International Asia Co., Ltd. (DIAT) provided an inspirational and hands-on lecture with the title “Automotive HVAC Fundamentals” to 22 the fourth year students of Automotive Design and Mechanical Engineering program at International School of Engineering, Chulalongkorn University, by Mr.Pradit Mahasaksiri, Assistant General Manager of Thermal Engineering Department, as a lecturer. The aims of the lecture were to encourage the students to create their own ideas and get the big picture of a specific problem of a market. Moreover, the lecture emphasized the critical aspect of knowing the automotive market and patterns of use and consumption by a daily basis observation.