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    Why are naturally ventilated office spaces not popular in New Zealand?

    Rasheed, E.O.; Byrd, Hugh; Money, B.; Mbachu, J.; Egbelakin, T.

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    Date
    2017-03-26
    Citation:
    Rasheed, E., Byrd, H., Money, B., Mbachu, J., & Egbelakin, T. (2017). Why Are Naturally Ventilated Office Spaces Not Popular in New Zealand?. Sustainability, 9(6), pp.902 (1-16). doi:10.3390/su9060902
    Permanent link to Research Bank record:
    https://hdl.handle.net/10652/4156
    Abstract
    In this paper, we investigated the reason(s) why natural ventilation is not as popular as air-conditioned or mixed-mode ventilation systems in Green-rated office buildings in New Zealand. To achieve this, we had three objectives. Firstly, we reviewed the Green Star criteria for thermal comfort in office buildings to ascertain which ventilation system the NZ Green Star rating tool promotes. Secondly, we ascertained the perception of occupants in office buildings regarding thermal comfort. This was followed by an interview with building experts regarding factors that affect the use of natural ventilation in New Zealand offices. The findings showed that the NZ Green Star thermal comfort criteria encourage the use of mechanical ventilation over natural ventilation which results in designers opting for air conditioning systems in office designs. We observed that occupants of naturally ventilated spaces were least satisfied with the thermal comfort of their offices when compared with occupants of mixed-mode and air-conditioned offices. This study fulfils the need to encourage the use of natural ventilation in office environments by designers and building owners. Further study on other aspects of the indoor environment quality that is related to naturally ventilated systems such as lighting and noise is required in a bid to ascertain its viability in office environments.
    Keywords:
    natural ventilation, Green Star rating tool, thermal comfort, environmental sustainability, office buildings
    ANZSRC Field of Research:
    120202 Building Science and Techniques
    Copyright Notice:
    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).
    Available Online at:
    http://www.mdpi.com/2071-1050/9/6/902
    Rights:
    This digital work is protected by copyright. It may be consulted by you, provided you comply with the provisions of the Act and the following conditions of use: Any use you make of these documents or images must be for research or private study purposes only, and you may not make them available to any other person. You will recognise the author's and publishers rights and give due acknowledgement where appropriate.
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