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Water 2016, 8(6), 236; doi:10.3390/w8060236

Evaluation of Water Efficiency in Green Building in Taiwan

1
Department of Architecture, National Taiwan University of Science and Technology, Taipei 10672, Taiwan
2
Architecture and Building Research Institute (ABRI), Ministry of the Interior, New Taipei 23143, Taiwan
3
Department of Interior Design, Tungnan University, New Taipei 22202, Taiwan
*
Author to whom correspondence should be addressed.
Academic Editor: Ling Tim Wong
Received: 6 May 2016 / Revised: 25 May 2016 / Accepted: 27 May 2016 / Published: 1 June 2016
(This article belongs to the Special Issue Water Supply and Drainage for Sustainable Built Environment)
View Full-Text   |   Download PDF [911 KB, uploaded 1 June 2016]   |  

Abstract

Low carbon policies, including those aimed at increasing water efficiency, have been adopted as a crucial strategy for combating global warming and climate change. The green building evaluation system used in Taiwan was first applied in 1999 and initially utilized a building’s water efficiency as the threshold index for determining the building’s environmental impact. Since 1999, more than a thousand buildings have been certified as green buildings using this evaluation system. The quantitative effects of water conservation efforts should be provided to policy makers as a form of positive feedback. To that end, the present study offers a calculation process for estimating the quantitative volume of water saved by practical green buildings. The baseline water usage for all kinds of buildings was determined to serve as the criterion for determining the water-saving efficiency of individual buildings. An investigation of the average water-saving rate from 2000 to 2013 for 1320 buildings certified as green buildings was also conducted to validate the estimation results and found that these green buildings saved an average of approximately 37.6% compared to the baseline water usage rate for all buildings. Water savings will inevitably follow from the use of water-saving appliances or water-saving designs for buildings. The proposed calculation process can be used to clarify the relationships between specific water-saving concepts and the real water usage efficiency of green buildings. View Full-Text
Keywords: green building; low carbon society; water resource; saving water green building; low carbon society; water resource; saving water
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Cheng, C.-L.; Peng, J.-J.; Ho, M.-C.; Liao, W.-J.; Chern, S.-J. Evaluation of Water Efficiency in Green Building in Taiwan. Water 2016, 8, 236.

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