Towards Zero Emission Residential Buildings (ZEBs) in a Humid Subtropical Climate. Analysis Emissions from Energy Use and Embodied Emissions from Materials in Referential Locations According to Obligatory Residential Energy Codes and Using Generic LCA Data Sources

Daniel Satola, Aoife Anne Marie Houlihan Wiberg, Arild Gustavsen

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Abstract

    The primary objective of this paper is to investigate whether is it possible to achieve a zero greenhouse gas emission residential building (ZEB) operating in a humid subtropical climate. Sydney, Atlanta, Shanghai and New Delhi, recognised as main regional policymaker centres, were included in the scope of analysis as referential locations. Calculations of annual energy consumption, embodied emissions from production (A1-A3) and replacement (B4) of construction materials, as well as on-site renewable energy production, were performed on the basis of mandatory energy standards, building performance simulations and generic, process-based life cycle data. All calculations were based on a single-family building model with timber construction. All building’s thermal energy demands are provided by electrical air-to-water heat pump with a backup from an electric coil heater. Additionally, the roof-mounted photovoltaic system is used specifically to reduce GHG emission from building operation and materials. The preliminary results of this study show that zero emission ambition level for residential building is obtained in Sydney and Atlanta, where mandatory energy codes enforced high standards of building energy performance. The paper presents and discusses the results of the environmental impact for a model residential building in each of the specific humid subtropical climate locations. Additionally, general adjustments of the energy codes requirements that could enable higher ZEB ambitions are proposed.
    Original languageEnglish
    Title of host publicationProceedings of the 11th International Symposium on Heating, Ventilation and Air Conditioning, ISHVAC 2019 - Volume III
    Subtitle of host publicationBuildings and Energy
    EditorsZhaojun Wang, Fang Wang, Peng Wang, Chao Shen, Jing Liu, Yingxin Zhu
    PublisherSpringer
    Pages979-989
    Number of pages11
    ISBN (Electronic)978-981-13-9528-4
    ISBN (Print)978-981-13-9527-7
    DOIs
    Publication statusE-pub ahead of print - 20 Mar 2020

    Publication series

    NameEnvironmental Science and Engineering
    PublisherSpringer
    ISSN (Print)1863-5520
    ISSN (Electronic)1863-5539

    Keywords

    • Zero emission residential building
    • Energy policy
    • Humid subtropical climate

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