The "Xi'an China International Exhibition on Heat and Warm Supply & HVAC Technological Equipments" (CNHE) is an annual, high-profile trade fair focusing on heating, ventilation, and air conditioning (HVAC) systems, as well as heat and hot water supply. It takes place at the prestigious Xi'an International Convention and Exhibition Center, a modern and well-equipped venue located in the heart of Xi'an. With numerous exhibition spaces, conference rooms, and additional facilities, it provides ideal conditions for trade shows, conferences, and other events. Thanks to its excellent accessibility for both international and local visitors, CNHE enjoys great popularity in the heating, ventilation, air conditioning, and refrigeration industry. Behind the organization of CNHE is the esteemed Guangzhou Zhenwei Exhibition Co., Ltd., a Chinese exhibition company specializing in international trade fairs and conferences. The CNHE covers a broad spectrum of topics, including heating, ventilation, air conditioning, heat pumps, hot water supply, solar energy, geothermal energy, biomass, and energy efficiency. The key focus of CNHE lies in presenting environmentally friendly and energy-efficient technologies, promoting business cooperation, and creating synergies between participating companies and professionals. This year the CNHE takes place on 3 days from Wed., 23.04.2025 to Fri., 25.04.2025 in Xi'an already for the 30th time.