Review of energy saving technologies research in HVAC systems

Abstract

Energy consumption in the building industry occupies a significant portion of the world’s total energy consumption, and heating, ventilation and air conditioning (HVAC) systems are one of the largest energy consumers in buildings. Therefore, research on energy-saving technologies and measures for HVAC systems is essential. This paper first analyzes the workflow of HVAC systems and the causes of energy consumption, followed by combing and summarizing the existing research on energy-saving technologies for HVAC systems, namely passive energy-saving technologies, active energy-saving technologies and intelligent energy-saving technologies. In order to better understand and apply aforementioned energy-saving technologies, this paper takes a science and technology building built 30 years ago in southwest China as an example and applies the relevant energy-saving technologies to upgrade the HVAC system in a targeted manner.