Climate Responsive Buildings Concepts in Hong Kong

M. Haase, A. Amato, A. van der Aa, Per Heiselberg

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Abstract

There is a global need for a more sustainable building development. About 50% of energy is used in buildings indicating that buildings provide a considerable potential for operational energy savings. Studies were conducted with the following objectives:

to perform a state-of-the-art review of responsive building elements, of integrated building concepts and of environmental performance assessment methodsto improve and optimize responsive building elementsto develop and optimize new building concepts with integration of responsive building elements, HVAC-systems as well as natural and renewable energy strategiesto develop guidelines and procedures for estimation of environmental performance of responsive building elements and integrated building concepts

This paper introduces the ideas of this collaborative work within the framework of the Annex44 of the International Energy Agency (IEA) and discusses its usefulness for Hong Kong. Special focus was put on the description of the state of the art of the application of responsive building elements and of integrated building concepts in Hong Kong. A number of interviews of key players in the construction industry in Hong Kong revealed that not many of the established responsive building elements have been applied. This is mainly due to lack of information, lack of incentives, high capital cost, lack of competition between suppliers, lack of guidelines and design tools, lack of practical demonstrations, lack of cooperation between designers. On the other hand energy saving installations are increasingly applied as heat pumps in combination with energy storage, balanced ventilation with heat recovery, cooling towers etc. In Hong Kong in most cases there is no integrated design process for building projects. This means that projects are developed and designed in accordance with the energy performance calculations based on economic energy saving measures.

Original languageEnglish
Title of host publicationProceedings of Joint ASHRAE/CIBSE Symposium "Efficient Built Environment for Tomorrow"
Number of pages10
PublisherAmerican Society of Heating, Refrigerating and Air-Conditioning Engineers, Inc.
Publication date2006
Publication statusPublished - 2006
EventJoint ASHRAE/CIBSE Symposium "Efficient Built Environment for Tomorrow" - , Hong Kong
Duration: 14 Nov 200614 Nov 2006

Conference

ConferenceJoint ASHRAE/CIBSE Symposium "Efficient Built Environment for Tomorrow"
CountryHong Kong
Period14/11/200614/11/2006

Keywords

  • Building design
  • Integrated building concepts
  • Natural ventilation
  • Simulation

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