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    Building Energy Efficiency and Sustainable Building Design
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    Introduction
    Buildings are significant users of energy and materials in a society and they have a large impact on the natural environment and resources. To reduce energy use and greenhouse gas emission, it is very important to promote building energy efficiency and sustainable building design. In urban cities like Hong Kong, building energy use constitutes a major portion of total energy consumption. It is believed that the potential for energy saving and improvement of building environmental performance is large.

    Research Areas

    This research theme focuses on studying the key factors, policies and technologies for building energy efficiency and sustainable building design. Five research areas have been investigated with emphasis on Hong Kong’s situation.

    • Analysis of building climatic data
    • Building energy efficiency standards
    • Building energy simulation tools
    • Energy benchmarking and labels for buildings
    • Sustainable building technologies
    Research Publications and Presentations
    • Research Papers:
      • Hui, S. C. M., 2010. Energy benchmarking for buildings and plant engineering, In Proceeding of the SOE Symposium 2010: Sustainable Plant Engineering for Achieving Green and Environmental Friendliness Facilities in Asia, 10 July 2010, TU201, PolyU, Hong Kong, pp. 87-97. [PDF] [website]
      • Hui, S. C. M., 2010. Zero energy and zero carbon buildings: myths and facts, In Proceedings of the International Conference on Intelligent Systems, Structures and Facilities (ISSF2010): Intelligent Infrastructure and Buildings, 12 January 2010, Kowloon Shangri-la Hotel, Hong Kong, China, pp. 15-25. [PDF] (www.aiib.net)
      • Hui, S. C. M., 2010. Study of zero energy building and zero carbon building, Intelligent Building Technology, No. 43, February 2010, p. 1-8. (in Chinese with an English abstract) [journal website]
      • Hui, S. C. M., 2008. Sustainable building technologies for hot and humid climates, In Wang, Z., et al. (eds)., Green Building Design and Technologies: Experience in Hangzhou and Hong Kong, China Architectural and Building Press, Guangzhou, China, pp. 237-243. (in Chinese and English) [Chinese: PDF][English: PDF]
      • Hui, S. C. M., 2007. Sustainable building technologies for hot and humid climates, Invited paper for the Joint Hong Kong and Hangzhou Seminar for Sustainable Building, 21-23 September 2007, Hangzhou, China. (in Chinese and English) [Chinese: PDF][English: PDF][conference website]
      • Hui, S. C. M., 2007. Internet resources on sustainable buildings, HKIA Journal, 1st Quarter 2007, pp. 60-61. [PDF]
      • Hui, S. C. M., 2007. The role of building energy codes in climate change mitigation, In Proceedings of the Zhejiang-Hong Kong Joint Symposium 2007, 6-7 July 2007, Hangzhou, China, pp. 100-110. (in English with a Chinese abstract) [PDF]
      • Hui, S. C. M., 2006. Analysis of climatic data for sustainable buildings in Hong Kong, In Meng, Qinglin, et al. (eds)., Green Building Design and Technologies: Experience in Southern China and Hong Kong, China Archiectural and Building Press, Guangzhou, China, pp. 135-143. (in Chinese with an English abstract) [PDF]
      • Hui, S. C. M., 2004. Sustainable design and operation of construction site offices, In Proceedings of the Shenyang-Hong Kong Joint Symposium 2004, 29-30 July 2004, Shenyang, China, pp. A119-A128. (in English with a Chinese abstract) [PDF][Chinese version] 
      • Hui, S. C. M., 2003. Effective use of building energy simulation for enhancing building energy codes, In Proceedings of the IBPSA Building Simulation 2003 Conference, 11-14 August 2003, Eindhoven, Netherlands. [PDF][conference website]
      • Hui, S. C. M., 2003. Energy efficiency and environmental assessment for buildings in Hong Kong, invited paper presented at the MECM LEO Seminar -  Advances on Energy Efficiency and Sustainability in Buildings, 21-22 January 2003, Palace of the Golden Horses, Kuala Lumpur, Malaysia. [PDF]
      • Hui, S. C. M., 2002. Development of performance-based building energy codes, Energy Efficiency in Buildings, Issue No. 40, 2002, pp. 21-29. (In Chinese) [PDF]
      • Hui, S. C. M., 2002. Opportunities and challenges of energy performance contracting to improve existing buildings in Hong Kong, In Proceedings of the Joint Symposium 2002: Achieving Sustainable Performance in Built Environment, 19 November 2002, Shangri-la Hotel, Kowloon, Hong Kong, pp. 8-1 to 8-10. [PDF]
      • Hui, S. C. M., 2002. Environmental sustainability assessment of buildings using requirements in building energy codes, In Proceedings of the Sustainable Building 2002 International Conference, 23-25 September 2002, Oslo, Norway. [PDF]
      • Hui, S. C. M., 2002. Using performance-based approach in building energy standards and codes, In Proceedings of the Chonqing-Hong Kong Joint Symposium 2002, 8-10 July 2002, Chongqing, China, pp. A52-61. (in English with a Chinese abstract) [PDF]
      • Hui, S. C. M., 2001. The opinion of Hui, Sustainable Building, Issue 04, 2001, p. 43. [ISSN 1568-2919, published by AENEAS, Boxtel, The Netherlands] [HTML]
      • Hui, S. C. M. and Lee, R. K. H., 2009. Development of energy labels for residential buildings in Hong Kong, In Proceedings of the 10th Asia Pacific Conference on the Built Environment: Green Energy for Environment, 5-6 November 2009, Kaohsiung, Taiwan, 8 pages. [PDF][conference website]
      • Hui, S. C. M. and Leung, A. H. M., 2004. Sustainable building services systems for historic buildings, In Proceedings of the Joint Symposium 2004: Servicing Dense Built Environments, 16 November 2004, Hong Kong SAR, pp. 133-142. [PDF][conference website]
      • Hui, S. C. M. and Tsang, M. F., 2005. Climatic data for sustainable building design in Hong Kong, In Proceedings of the Joint Symposium 2005: New Challenges in Building Services, 15 November 2005, Hong Kong SAR, pp. 89-99. [PDF]
      • Hui, S. C. M. and Wong, M. K. F., 2010. Benchmarking the energy performance of hotel buildings in Hong Kong, In Proceedings of the Liaoning (Dalian) -- Hong Kong Joint Symposium 2010, 2-3 July 2010, Dalian, China, pp. 56-69. (in English with a Chinese abstract) [PDF]
    • Research Presentations
      • Hui, S. C. M., 2011.Green building design and assessment, Invited panel presentation at the FuturArc Forum 2011 Master Class Session, 20 Oct 2011 (Thu), the Ritz-Carlto, Hong Kong.
      • Hui, S. C. M., 2011. Towards zero energy and zero carbon buildings, Invited keynote speech at the 2011 International Conference on Green Energy & Refrigeration and Air Conditioning, 12 Jun 2011 (Sun), National Chin-Yi University of Technology, Taichung, Taiwan.
      • Hui, S. C. M., 2011. Building energy codes in Hong Kong, Invited presentation for TYS Energy Seminar 2011: Green Building is Leading Asia, 19 Jan 2011 (Wed), Hotel Nikko Hong Kong, Tsimshashui East, Kowloon, Hong Kong.
      • Hui, S. C. M., 2010. Zero energy and zero carbon buildings, Invited speaker at panel discussion of Climate Policy Forum cum Workshops -- GHG Reduction Solutions for a Low Carbon Hong Kong, 30 September 2010 (Thu), Wei Hing Theatre, City University of Hong Kong, organised by WWF-Hong Kong, Ove Arup & Partners Hong Kong and Hong Kong Green Building Council. [PDF][event website]
      • Hui, S. C. M., 2010. Operation and maintenance to improve energy efficiency and sustainability of existing buildings, Invited presentation for the Green Buildings: Better Quality of Life Conference, 11 June 2010 (Fri), L'hotel Nina et Convention Centre, Tsuen Wan. [PDF][conference website]
      • Hui, S. C. M., 2008. Development of building energy labels in Hong Kong, Invited presentation for the Asian Building Technologies 2008/Asian Elenex 2008 -- Building Services Technical Seminars, 4-5 June 2008, Hong Kong Convention & Exhibition Centre, Hong Kong [PDF]
      • Hui, S. C. M., 2005. Technology and market potential of energy performance contracting for buildings, Invited paper presented at the Conference on Pollution Prevention & Energy Efficiency in Hong Kong and the Pearl River Delta, 9-10 May 2005, The Excelsior, Hong Kong, organised by the Hong Kong Productivity Council and U.S. Commercial Service, American Consulate General Hong Kong. [PPT]
      • Hui, S. C. M., 2004. Impact of performance-based building energy code, presented at the ELENEX 2004 / Building Technologies 2004 Technical Seminar: Enhanced Building Technologies, 17 June 2004, Hong Kong Convention and Exhibition Centre, Hong Kong. [PDF]
      • Hui, S. C. M., 2003. Energy efficiency and environmental assessment for buildings in Hong Kong, invited paper presented at the MECM LEO Seminar -  Advances on Energy Efficiency and Sustainability in Buildings, 21-22 January 2003, Palace of the Golden Horses, Kuala Lumpur, Malaysia. [PDF]
      • Hui, S. C. M., 2002. Development of performance-based building energy codes, invited paper presented at the 2002 Biennial Meeting of the China Building Energy Efficiency Association, 25-26 November 2002, Guangzhou, China. (in Chinese) (published in Energy Efficiency in Buildings, Issue No. 40, 2002, pp. 21-29) [PDF]
      • Hui, S. C. M., 2002. Development of building energy codes in Hong Kong and hot regions, presented at the Fourth Working Meeting of the Committee for "Hot Summer Warm Winter Residential Building Energy Code", 31 July to 2 August 2002, Xiamen, China. (in Chinese)
    • Research Reports:
      • Hui, S. C. M., 2007. EEO/Q284 Study on Enhanced Promotion of Building Energy Codes in Hong Kong: Final Report, submitted to Energy Efficiency Office, Electrical and Mechanical Services Department, Hong Kong, September.
      • Hui, S. C. M., 2007. EEO/Q284 Study on Enhanced Promotion of Building Energy Codes in Hong Kong: Development Report, submitted to Energy Efficiency Office, Electrical and Mechanical Services Department, Hong Kong, July.
      • Hui, S. C. M., 2003. Additional Study Report:Assessment of Building Energy Simulation Software, prepared for the Consultancy Study for Developing a Performance-Based Building Energy Code Using Total-Energy-Budget Approach, Parsons Brinckerhoff (Asia) Ltd., Hong Kong.
      • Hui, S. C. M., 2002. Performance-Based Building Energy Code (Draft Version), prepared for the Consultancy Study for Developing a Performance-Based Building Energy Code Using Total-Energy-Budget Approach, Parsons Brinckerhoff (Asia) Ltd., Hong Kong.
      • Hui, S. C. M., 2002. Review of Worldwide Application of Performance-Based Building Energy Codes, Report for the Consultancy Study for Developing a Performance-Based Building Energy Code Using Total-Energy-Budget Approach, Parsons Brinckerhoff (Asia) Ltd., Hong Kong. [690 C7 P]
    • Technical Talks and Workshops:
      • Hui, S. C. M., 2012. Building energy efficiency in Hong Kong: How high we can go?, HKIE Environmental Division Technical Seminar, 3 Feb 2012 (Fri), HKIE Headquarters. [PDF]
      • Hui, S. C. M., 2011. Design of high performance green buildings: opportunities and challenges, ASHRAE-HKC / MARCC Joint Technical Seminar, 5 Dec 2011, Macao Science Center. [PDF]
      • Hui, S. C. M., 2011. Green building design and assessment, Invited Seminar for Korea Institute of Energy Research (KIER), 25 Aug 2011 (Thu), Daejeon, South Korea.
      • Hui, S. C. M., 2011. Towards zero energy and zero carbon buildings, Invited Technical Talk at the Green Energy and Environmental Research Laboratories, Industrial Technology Research Institute (ITRI), 13 Jun 2011 (Mon), Hsin Chu, Taiwan.
      • Hui, S. C. M., 2011. Using building energy codes to promote energy efficiency, Washington University in St. Louis: EECE 401: International Experience in Energy, Environmental & Chemical Engineering, Seminar at HKU Department of Mechanical Engineering, 8 Jun 2011 (Wed). [PDF]
      • Hui, S. C. M., 2011. Importance of building energy codes for promoting energy efficiency, Technical Seminar presented at the ASHRAE Hong Kong Chapter Annual General Meeting on 16 May 2011 (Mon). [PDF]
      • Hui, S. C. M., 2011. Green building design and assessment, ASHRAE Distinguished Lecturer Seminar presented at ASHRAE London Chapter on 13 April 2011 (Wed), London, Ontario, Canada.
      • Hui, S. C. M., 2009. Energy Efficiency in Buildings, Technical Talks for Design Project I & II (2008-2009), 14 March 2009, PolyU Department of Building Services Engineering. [PDF]
      • Hui, S. C. M., 2008. Building energy benchmarking, Technical Talk presented for IMechE Hong Kong Branch, 30 July 2008, PolyU. [PDF]
      • Hui, S. C. M., 2008. Zero energy building: what does it mean?, Technical Seminar presented at the ASHRAE Hong Kong Chapter Annual General Meeting on 23 May 2008. [PDF]
      • Hui, S. C. M., 2007. EU Directive on Energy Performance of Buildings: Implications for Hong Kong, Presentation for ASHRAE-HKC/CIBSE-HKB/HKIE-BSD Joint Technical Seminar, 25 October 2007, Hong Kong. [website]
      • 18 May 2007 (Fri): Young Members Group of CIBSE Hong Kong Branch Technical Seminar: Basic Energy Management in Buildings [PDF]
    Student Projects
    • Student Study MSc Projects (in HKU):
      • MSc(BSE) Project (2011-2012) [MEBS6012]
        • Mr. Cheung Ka Yu Martin - Rainwater harvesting systems for buildings in high-density urban cities
      • MSc(EnergyE) Project (2011-2012)
        • Mr. YE Ruibo - Energy audit and energy simulation of hotel buildings in Hong Kong
        • Mr. Anysios Thomas - Analysis of renewable energy systems for reducing greenhouse gas in hotel buildings
      • MSc(EnvMan) dissertation (2011-2012) [ENVM8004]
        • Mr. Wan Chun Wah Martin - Evaluate hotel energy performance using data envelopment analysis
        • Mr. Wong Man Chi Joao - Potential of zero carbon buildings in Hong Kong
      • MSc(ME) Project (2009-2010)
        • Mr. Hon Tsz Chung Charisma - Development of building energy labels for serviced apartments in Hong Kong
      • MSc(EnvMan) dissertation (2009-2010) [ENVM8004]
        • Ms. Law Wai Sze Cynthia - Energy and carbon audits of existing buildings in Hong Kong
        • Ms. Ng Kar Wai Anthea - Evaluation of green building assessment methods
      • MSc(EnvMan) dissertation (2008-2009) [ENVM8004]
        • Mr. Lee Kwun Hang, Ryan - Energy labeling of residential buildings in Hong Kong
      • MSc(ME) Project (2006-2007)
        • Mr. Lai Wing Leung William - Analysis of energy consumption of lift and escalator systems in high-rise buildings
        • Mr. Tam Ka Ngai Titus - Detailed investigation of the energy consumption of high-rise residential buildings in Hong Kong
      • MSc(EnvMan) dissertation (2004-2005) [ENVM8004]
        • Ms. Vivian Pui-Yu LAI - Creating the market for sustainable buildings in Hong Kong [E-thesis via HKUTO]
        • Mr. POON Kwok-ying, Raymond - Potential and actual implementation of energy performance contracting in Hong Kong [E-thesis via HKUTO]
        • Mr. Chan Tsz Tai - A study of energy and sustainability management for university campuses [E-thesis via HKUTO]
        • Mr. George Or - An investigation of prefabricated building services components for green building design [E-thesis via HKUTO]
    • Student Study BEng Final Year Projects (in HKU):
      • BEng(ME-BSE) Applied Research Project (2011-2012)
        • Mr. Chan Ka Wing Tony - Energy audit and energy saving opportunities for church buildings in Hong Kong
        • Mr. Chung Cheuk Yui Ringo - Energy optimization of variable refrigerant flow (VRF) systems in hot and humid climates
        • Mr. Chik King Ho Henry - Performance rating method for building energy code in Hong Kong
        • Miss Leung Yuk Chun Janita - Thermal confort and energy performance of chilled beam and ceiling systems
      • BEng(ME-BSE) Applied Research Project (2010-2011)
        • Mr. Fung Chak Pan Tommy - Economics of energy efficient lighting for hotel buildings
        • Mr. Lam Cheuk Yin Victor - Development of advanced metering infrastructure for hotel buildings
        • Mr. Law Pan Lau Larry - Energy performance of underfloor air distribution systems in office buildings
        • Miss Wong Yin Ka Heidi - Exergy analysis of cooling towers for optimization of HVAC systems
      • BEng(ME-BSE) Applied Research Project (2009-2010)
        • Miss Lai Yuen Yee - Health and energy impacts of outdoor air ventilation rate in office environment
        • Miss Pang Tsz Man - Exergy analysis of two-stage evaporative cooling systems
        • Mr. Wong Ki Fung Mike - Benchmarking the energy performance of hotel buildings
      • BEng(ME-BSE) Applied Research Project (2008-2009)
        • Miss Cheung Wing Yee Agnes - Study of two-stage evaporative colling systems in hot and humid climate
        • Mr. Ng Ka Chun Nick - Energy saving potential of window films for hotel buildings in Hong Kong
        • Mr. Yu Man Piu Bill - Feasibility study of zero-energy residential buildings in Hong Kong
      • BEng(ME-BSE) Applied Research Project (2007-2008)
        • Mr. Cheng Kai Yip Kenneth - Effective lighting systems for university classrooms
      • BEng(BSE) Applied Research Project (2006-2007)
        • Mr. Choi Ka Wai - Evaluation of visual comfort and lighting energy for school buildings in Hong Kong
      • BEng(BSE) Applied Research Project (2005-2006)
        • Mr. Kwok Mo Kan Mole - Application of thin films to enhance energy performance of windows in buildings
        • Miss Lui Wai Shan Bella - Study of PCM (Phase Change Material) thermal storage for passive cooling of buildings
      • BEng(BSE) Applied Research Project (2004-2005)
        • Mr. Chan Wai Hou Mike - Design and analysis of water distribution networks for district cooling
        • Miss Fu Yin Anna -  Assessment of building load profiles for district cooling systems
        • Mr. Lam Ka Ho - Investigation of water-cooled variable refrigerant volume (VRV) systems
        • Mr. Tsang Man Fung - Study of climatic data for sustainable building design
      • BEng(BSE) Applied Research Project (2003-2004)
        • Mr. Leung Ho Man Anfernee - Improvement of building services systems in historic buildings
        • Mr. Shek Cheuk Man Edmund - Study of underfloor plenum air conditioning for historic buildings
      • BEng(ME) Final Year Project (2002-2003)
        • Mr. Cusson Lam Ka Shun - Energy Audit and Retrocomissioning Study for Existing Buildings in Hong Kong
        • Mr. Tony Ho - Investigation of Computer-based Building Energy Design Tools for Hong Kong
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