Instructional objective and meaning of bilingual teaching of Heating, Ventilation and Air Conditioning (HVAC) were introduced. The establishment of bilingual teaching resources systems including teachers, teaching materials and multimedia courseware were summarized. The instruction models and methods in the teaching practice of HVAC were discussed. The teaching practice results indicate that bilingual HVAC teaching can inspire the study interests of students, and improve their ability in acquire professional knowledge by English method. It is proposed to further improve the teaching material and examination pool in order to enhance the teaching qualities.