Wenxing Shi, Ph.D. in Engineering, Professor and Doctoral Supervisor. Vice Chair of the National Technical Committee 238 on Refrigeration and Air-Conditioning Equipment of the Standardization Administration of China (SAC/TC 238); Member of the Executive Council of the Chinese Association of Refrigeration (CAR) and Vice Chair of its Committee on Engineering Capacity Building; Vice President of the Beijing Association of Refrigeration. Teaching and research areas include refrigeration and heat pump technologies, thermal energy storage, and renewable energy utilization. Courses taught include HVAC Systems and Heating/Cooling Sources, Refrigeration and Heat Pump System Design, HVAC System Design (1), and Heating and Cooling Sources for Buildings (online). Principal investigator of more than 50 research projects, including projects under the National Key R&D Program of China during the 13th and 14th Five-Year Plan periods, projects funded by the National Natural Science Foundation of China (NSFC), international collaborative projects, and university–industry collaborative projects. Author/editor of seven monographs, translated works, and nationally planned textbooks, with more than 200 academic papers published; lead contributor or contributor to 18 national standards and 6 industry standards in the machinery and building sectors.

Research and Teaching Interests

Refrigeration and Heat Pump Technology

Utilization of Natural and Renewable Energy Resources

Education

09/1996–01/2001: Ph.D. in HVAC Engineering, Department of Building Science, Tsinghua University.

09/1990–04/1994: Master’s degree in Refrigeration and Cryogenic Engineering, Department of Refrigeration Engineering, Tianjin University of Commerce.

09/1991–09/1992: Advanced training organized by AOTS and hosted by Nippon Light Metal Co., Ltd.

09/1982–07/1986: Bachelor’s degree in Refrigeration Engineering, Department of Refrigeration Engineering, Tianjin University of Commerce.

Professional Experience

12/2008–Present: Professor, Institute of Building Environment and Equipment, School of Architecture, Tsinghua University (Tenured Professor since September 2016).

12/2003–12/2008: Associate Professor, Institute of Building Environment and Equipment, School of Architecture, Tsinghua University.

07/2003–12/2003: Lecturer, Institute of Building Environment and Equipment, School of Architecture, Tsinghua University.

05/2001–07/2003: Postdoctoral Fellow; Assistant Researcher, Institute of Engineering Thermophysics, Tsinghua University.

12/1994–05/2001: Lecturer, Air Conditioning Teaching and Research Section, Department of Refrigeration Engineering, Tianjin University of Commerce (while pursuing doctoral studies).

09/1990–12/1994: Teaching Assistant, Thermal Engineering Teaching and Research Section, Department of Refrigeration Engineering, Tianjin University of Commerce (while pursuing master's studies).

07/1986–09/1990: Student Counselor, Department of Refrigeration Engineering, Tianjin University of Commerce.

TEACHING

1. Courses Taught

[1] HVAC Systems and Heating/Cooling Sources (2003–Present)

Recognized as a National First-Class Undergraduate Course (Blended Online and Offline Course) in 2020.

[2] Heating and Cooling Sources for Buildings (2019–Present)

An online course offered on the xuetangx.com. Recognized as a National First-Class Undergraduate Course (Online Course) in 2023.

[3] Refrigeration and Heat Pump System Design (2003–Present)

Formerly titled Analysis of Small Refrigeration and Air Conditioning Systems. Recognized as a Tsinghua University Quality Course in 2016.

[4] HVAC System Design (2003–Present)

2. Class Advisor

[1] Class Advisor, Weiyang–Building Environment Class 31, Tsinghua University (2023–Present).

[2] Class Advisor, Building Environment Class 3, Tsinghua University (2003–2007).

RESEARCH PROJECTS

1. Ongoing Projects

[1] Sub-project of National Key R&D Program: “High-efficiency Ice Slurry Preparation Technology via Direct Refrigerant Heat Exchange and Development of Large-scale Units (No.: 2024YFB2408703)”: Ice Crystal and Heterogeneity Elimination Technology, Sub-project Leader, 2024.12-2027.11.

[2] Project of Daikin Air-Conditioning (Shanghai) Co., Ltd.: Research on Refrigerant Leakage Characteristics, Prediction Methods and Risk Assessment of R32 Multi-split System, Project Leader, 2026.08-2029.06.

[3] Public Research Project of the Chinese Association of Refrigeration: Low Refrigerant Charge and Charge Management Technologies for R32 Multi-Split Systems, Principal Investigator, 2025.8.10-2027.7.31.

[4] Project of Guangdong Midea HVAC Equipment Co., Ltd.: Research on Oil Return Control Strategy for Multi-split System Based on Oil Level Sensors, Project Leader, 2025.8-2027.12.

[5] Project of Qingdao Haier Air Conditioner Co., Ltd.: System Configuration and Control Strategies for Refrigerant-Adaptive Multi-Split Air-Conditioning Systems, Project Leader, 2024.01-2027.12.

[6] Project of Guangdong Midea Refrigeration Equipment Co., Ltd.: Research on System-Level Energy-Saving Operation Technology for Fresh Air Hybrid Residential Multi-split System, Project Leader, 2023.12-2027.12.

2. Completed Projects (Partial List)

[1] Project of National Key R&D Program: Integrated Convective/Radiative Coupled Terminal Units for Local Environment Creation (No.: 2022YFC3801502), Principal Investigator, 2022.11-2025.10.

[2] Project of Guangdong Midea HVAC Equipment Co., Ltd.: Multi-split System Energy-Saving Special Program (Research on Performance Improvement Technology for Multi-split System in Actual Operation), Project Leader, 2021.10-2024.10.

[3]  Project of Guangdong Midea Refrigeration Equipment Co., Ltd.: Research on Fast Heating Capacity Demand for Heat Pump Room Air Conditioners, Project Leader, 2021.11-2022.10.

[4] Global Cooling Prize (World Refrigeration Innovation Competition): Advanced Vapor-Compression Refrigeration Technology Integrating Evaporative Cooling and Solar Photovoltaics, jointly undertaken by Tsinghua University and Zhuhai Gree Electric Appliances, Inc., launched by the Department of Science and Technology of India, Mission Innovation, and Rocky Mountain Institute. International Competition Project, Key Researcher, 2019.05-2021.04.

[5] Project of Qingdao Hisense Hitachi Air-Conditioning System Co., Ltd.: Research on Online Performance Measurement Technology for Multi-split System, Project Leader, 2019.06-2021.09.

[6] Sub-project of National Key R&D Program: “Research on Energy-Saving Design and Key Technology Equipment for Clean Air-Conditioned Factories (No.: 2018YFC0705200)”: Operation Energy-Saving Technologies and Strategies for Pharmaceutical Factories, Sub-project Leader, 2018.07-2021.06.

[7] Project of National Key R&D Program: Research and Development of High-Efficiency Air-Source Heat Pump Equipment (No.: 2016YFC0700304), Principal Investigator, 2016.07-2020.12.

[8] Project of CECEP (Beijing) Air-Conditioning Energy-Saving Technology Co., Ltd.: Technical Services for the Development and Engineering of Air-Conditioning Equipment for IDC Data Centers, Project Leader, 2010.06-2012.12.

[9] Project of National Natural Science Foundation: Construction and Coupling Characteristics Research of Combined Refrigeration System by Thermo-siphon and Vapor Compression (No.: 51176084), Project Leader, 2012.01-2015.12.

[10] Project of National Natural Science Foundation: Basic Applied Research of Refrigerant Injection and Extraction Technology in Heat Pump System (No.: 50676042), Project Leader, 2007.01-2009.12.

[11] Sub-project of National Science and Technology Supported Project "Research and Engineering Demonstration on Urban Underground Space Construction Technology (No.: 2006BAJ27B03-3)": Development of Air Quality Detection and Purification Technology in Urban Underground Space, Sub-project Leader, 2006.11-2010.12.

[12] Project of the Beijing Municipal Science and Technology Commission: Low Energy Consumption Building Demonstration in the Three Concepts Exhibition Center of Olympic Village (No: D0606004040391), Energy System Project Leader, 2006.07-2008.12.

[13]  Project of Mitsubishi Heavy Industries, Ltd.: Application of Micro Turbo Chiller in China. Project Leader, 2005.08-2006.03.

[14] Open Research Project of the Beijing Key Laboratory of Heating, Gas Supply, Ventilation and Air Conditioning Engineering: Mechanism Research on Intermediate Gas Injection/Liquid Injection Process in Scroll Compressors (No.: KF200507), Principal Investigator, 2005.10-2006.12.

HONORS AND AWARDS

1. Research Awards

[1] Variable Refrigerant Flow and Fresh Air Systems for Intelligent and Efficient Regulation of Indoor Microclimate, First Prize, Science and Technology Progress Award of China Light Industry Federation, 2024 (2/9)

[2] Key Technologies, Equipment and Application of Low-Carbon Building Heating and Air Conditioning in the Yangtze River Basin, First Prize, Chongqing Science and Technology Progress Award, 2022 (2/14)

[3] Advanced Vapor-Compression Refrigeration Technology Integrating Evaporative Cooling and Solar Photovoltaics, Champion, Global Cooling Prize, 2021 (6/20)

[4] T/CECS 564-2018 Technical Specification for Air-Source Heat Pump Heating Engineering, Second Prize, Standard Science and Technology Innovation Award (Project Award) of China Association for Engineering Construction Standardization, 2020 (6/8)

[5] Fundamental Theory, Key Technologies and Industrial Application for Reducing Air-Conditioning Energy Consumption in Large Buildings, First Prize, Beijing Science and Technology Progress Award (Technology Development), 2019 (5/15)

[6] Development and Application of Key Technologies of Air-Source Heat Pumps in Cold and Severe-Cold Regions, First Prize, China Machinery Industry Science and Technology Award, 2019 (5/15)

[7] Key Technology and Application of Efficient Plate Tubular Evaporative Condensing Air-conditioning and Refrigeration Equipment, Second Prize, Guangdong Science and Technology Award, 2012 (5/10)

[8] Research and Application of Green Building Technology in Olympic Village, Second Prize, Huaxia Construction Science and Technology Award, 2010 (10/12)

[9] Micro-Energy-Consumption Kindergarten in Three Concepts Exhibition Center of Olympic Village, Gold Award, 4th (2007) CRECC Residential Science and Technology, 2007 (9/11)

[10] Application of Frequency Control Technology in Air-conditioning, Third Prize, Progress in Science and Technology in Beijing, 2000 (3/4)

2. Teaching Awards

[1] Second Prize, Outstanding Head Teacher of Tsinghua University, 2025

[2] Building Heating and Cooling Sources selected as a National First-Class Undergraduate Course (Online Course, Second Batch), 2023

[3] HVAC Systems and Heating/Cooling Sources selected as a National First-Class Undergraduate Course (Blended Online and Offline Course, First Batch), 2020

[4] Founding the "Three-Three" National Contest of Refrigeration and Air-conditioning Science and Technology: Promoting Engineering Competence through University-Industry Collaboration, Second Prize, Education Achievement in Beijing (Higher Education), 2018 (3/10)

[5] Refrigeration and Heat Pump System Design awarded the title of Tsinghua Quality Course, 2016

[6] Practicing the CDIO Concept and Exploring the Innovative Cultivation Model for Engineering Talents, Second Prize, Teaching Achievement of Tsinghua University, 2015

[7] Tsinghua University Special Award for Good Mentor and Helpful Friend, 2014

[8] Reflections on Teaching Methods for Engineering Courses, First Prize, Excellent Paper Award of the Higher Education Society of Tsinghua University, 2014

[9] Refrigeration Technology for Air Conditioning (4th edition) by Qisen Yan, Wenxing Shi, Changqing Tian, Second Prize, Excellent Textbook Award, Tsinghua University, 2012

[10] Reform of Practical Teaching Components in the Building Environment and Equipment Engineering Program: First Prize, Education Achievement in Beijing (Higher Education), 2009 (3/5)

[11] First Prize, Outstanding Head Teacher of Tsinghua University, 2007

[12] Reform of Practical Teaching Components in the Building Environment and Equipment Engineering Program: Grand Prize, Teaching Achievement of Tsinghua University, 2006

PUBLICATIONS

1. Writings (Partial List)

[1] Wenxing Shi, Changqing Tian, Baolong Wang. Refrigeration Technology for Air Conditioning (the fifth edition) [M]. Beijing: China Architecture & Building Press, 2016. (The 6th edition is forthcoming)

[2] Wenxing Shi, Baolong Wang, Shuangquan Shao. Design of Small Capacity Air Conditioners and Heat Pumps [M]. Beijing: China Architecture & Building Press, 2013.

[3] Wenxing Shi, Jianhong Cheng, Wei Zhao, et al. Guidelines for the Implementation of the Relevant Standards of Multiple-split Air Conditioning Technology [M]. Beijing: Standards Press of China, 2011.

[4] Xianting Li, Wenxing Shi. Built Environment Science (the second edition) [M]. Beijing: China Architecture & Building Press, 2017.

[5] Yanshun Yu, Xianting Li, Wenxing Shi, Zheng Wang. Tailrace Tunnel Ventilation Technology in Hydropower Stations and Its Application [M]. Beijing: Science Press, 2010.

[6] Qisen Yan, Jiang Shen, Wenxing Shi. Application of Refrigeration Technology [M]. Beijing: China Architecture & Building Press, 2006.

[7] Institute for Building Environment and Energy Conservation (Japan). Comprehensive Assessment System for Building Environmental Efficiency (CASBEE): A Green Design Tool (DfE) [M]. Translated by Wenxing Shi, proofread by Borong Lin, and reviewed by Yingxin Zhu. Beijing: China Architecture & Building Press, 2005.

[8] Wenxing Shi, Baolong Wang, Hansong Xiao, Zixu Yang. Chapter 9: Field Test and Evaluation of VRF System. In: Napoleon Enteria, Takao Sawachi, Kiyoshi Saito. Variable Refrigerant Flow Systems: Advances and Applications of VRF [M]. Singapore: Springer, 2023, pp. 169-221.

2. Journals (Partial List)

[1] Zixu Yang, Chengyu Wen, …, Wenxing Shi^*. A climate-specific full dynamic load-based testing framework for room air conditioners under Chinese residential operating conditions [J]. Applied Thermal Engineering, 308 (2026) 133488.

[2] Shurong Liu, Yujue Zhou , …, Wenxing Shi*. Refrigerant charge optimization in direct expansion air conditioning systems under variable operating conditions [J]. Applied Thermal Engineering, 290 (2026) 130108.

[3] Tiancheng Li, Wenxing Shi^*, Xianting Li. Investigation on a dual-temperature district heating substation with low-temperature return water of primary network adapting to the change of high and low-temperature heating load [J]. Energy Conversion and Management, 348 (2026) 120761.

[4] Tianchan Yu, Shurong Liu, …, Wenxing Shi^*. Operation strategy and performance of thermal management system with dual-evaporation temperature for electric vehicles [J]. Applied Energy, 377 (2025) 124742.

[5] Heng Niu, Xinghua Liu, …, Wenxing Shi^*. Assessment of GHG emissions from small-capacity logistics cold storage in China based on field measurements [J]. Energy & Buildings, 345 (2025), 116117.

[6] Shurong Liu, Tianchan Yu, …, Wenxing Shi*. A novel heat recovery VRF system: Principle and cooling performance analysis [J]. Building and Environment, 266 (2024), 112105.

[7] Zixu Yang, Youlin Zhang, …, Wenxing Shi^*. Comprehensive test of ultra-efficient air conditioner with smart evaporative cooling ventilation and photovoltaic [J]. Energy Conversion and Management, 254 (2022), 115267.

[8] Zhang Mingsheng, Yang Zixu, …, Shi Wenxing^*. Standard rating conditions based on two-side multi-grade method: summary and analysis on the Chinese standards for air source heat pumps [J]. International Journal of Refrigeration, 131 (2021) 394–406.

[9] Zixu Yang, Hansong Xiao, Wenxing Shi^*. Analysis and determination of a seasonal performance evaluation for air source heat pumps [J].  Journal of Building Engineering, 43 (2021), 102574.

[10]  Wei Chen, Wenxing Shi, Xianting Li^*, Application of optimization method based on discretized thermal energy in condensing heat recovery system of combined heat and power plant [J]. Energy, 213 (2020), 119013.

3. National standards

[1] GB/T 27941-2026, Requirements of design and installation for multi-split air conditioning (heat pump) systems [S].

[2] GB/T 25127.2-2020, Low ambient temperature air source heat pump (water chilling) packages—Part 2: Heat pump (water chilling) packages for household and similar applications [S].

[3] GB/T 25127.1-2020, Low ambient temperature air source heat pump (water chilling) packages—Part 1: Heat pump (water chilling) packages for industrial & commercial and similar applications [S].

[4] GB/T 44545-2024, Testing of refrigerating systems [S].

[5] GB/T 17758-2023, Unitary air conditioners [S].

[6] GB/T 25857-2022, Low ambient temperature air source multi-connected heat pump (air-conditioning) unit [S].

[7] GB 21454-2021, Minimum allowable values of the energy efficiency and energy efficiency grades for multi-connected air-conditioning (heat pump) units [S].

[8] GB/T 18837-2026, Multi-split air-conditioning (heat pump) units [S].

[9] GB/T 18430.1-2024, Water chilling (heat pump) packages using the vapor compression cycle—Part 1: Water chilling (heat pump) packages for industrial & commercial and similar applications [S].

[10]  GB/T 18430.2-2025, Water chilling (heat pump) packages using the vapor compression cycle—Part 2: Water chilling (heat pump) packages for household and similar applications [S].

4. Invention patents (Partial List)

[1] Multi-connected electric vehicle thermal management system. ZL202210032490.8

[2] Electric vehicle thermal management system. ZL 2022 1 0033740.X

[3] Room air conditioner and control method thereof. 202110977237.5

[4] Heat pump system with freely switchable single-stage and cascade cycles. ZL202011599740.3

[5] Heat pump air conditioning system and air conditioning equipment with independent suction and vapor injection compression function. ZL202011593871.0

[6] Household metering and charging method and device for multi-split air conditioner. ZL202011255461.5

[7] Online performance measurement method, system, device and storage medium for air conditioner. ZL202010108581.6

[8] Tube-plate frost-free air source heat pump system. ZL201810646695.9

[9] Heat exchange measurement method and device for multi-split air conditioning system. ZL 201810077165.7

[10] Multi-connected air conditioner with refrigerant and water system. US 12,716,609 B2