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Title: A two-step approach for cost-effective design analysis of Net Zero Energy Homes
Authors: Li, Hong Xian
Li, Yan
Zhang, Limao
Keywords: Engineering::Civil engineering
Issue Date: 2020
Source: Li, H. X., Li, Y. & Zhang, L. (2020). A two-step approach for cost-effective design analysis of Net Zero Energy Homes. Journal of Building Engineering, 32, 101546-.
Journal: Journal of Building Engineering
Abstract: Net Zero Energy Homes (NZEHs) have emerged as the solution to achieve sustainable house design. However, an NZEH entails higher capital cost compared with that of a conventional home, which comprises the main barrier for promoting NZEHs. In addressing this issue and promoting the cost-effective design of NZEHs, a two-step cost analysis framework with a mathematical model is proposed in this research: (1) qualified NZEH design scenarios are selected based on energy simulation, monitoring, and the acceptance as an NZEH in terms of energy balance; and (2) cost performance is analyzed for these qualified NZEH design scenarios, based on which the cost-effective design scenario is identified for an NZEH. Through the innovative two-step cost analysis with the optimization model, the cost-effective scenario is identified for NZEH design, while the identified design scenario also meets net-zero energy requirements. The proposed research framework with the mathematical model is demonstrated using an NZEH in Edmonton, Canada, as an example, and a capital cost savings of 4.2% is achieved by applying the proposed two-step approach in this research. This paper proposes a generic approach for the cost-effective design of NZEHs, and the research results contribute to the promotion of the NZEH application.
ISSN: 2352-7102
DOI: 10.1016/j.jobe.2020.101546
Rights: © 2020 Elsevier Ltd. All rights reserved.
Fulltext Permission: none
Fulltext Availability: No Fulltext
Appears in Collections:CEE Journal Articles

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