The building energy efficiency course is closely connected with the actual curriculum, which requires a lot of examples, practice to teaching. This paper introduces the blended learning to explore the more effective way of building energy efficiency course. The application of blended learning combined the traditional classroom with the networked classroom. Independent study and collaboration are mixed to maximize the efficiency of education. The questionnaire was used to analyze the practical application effect of blended learning. The results show that the building energy efficiency course adopting the hybrid teaching mode is more popular among students. In addition, the good teacher-student interactive session can promote the harmony of the classroom atmosphere.