Abstract
In order to eliminate the characteristics of long payback period and external economy of green building investment, and realize the accurate evaluation of green building cost and benefit. Based on the new estimation method, this paper constructs the system dynamics(SD) model of incremental cost-effectiveness of green building, and the rationality of the model is further tested and judged. This paper studies the change law of incremental cost and benefit of green building energy saving from the perspective of SD model. The incremental benefit of green building is greater than the incremental cost, and the time balance between them is about 8.0 years. The conclusion can provide enlightenment for the further development of green building.
Highlights
Under the pressure of the decline of environmental quality and the sharp increase of energy consumption, in order to change the current situation of the construction industry, it has become a consensus to establish sustainable green building
The incremental cost of green building refers to the incremental investment brought by adopting green building technology different from the benchmark building in order to realize the Green function of buildings[4]
The incremental benefits of green buildings are mainly reflected in three aspects: economic benefits, social benefits and environmental benefits
Summary
Under the pressure of the decline of environmental quality and the sharp increase of energy consumption, in order to change the current situation of the construction industry, it has become a consensus to establish sustainable green building. It is important to study the incremental costeffectiveness of green buildings. The current theory and understanding of green building is not mature enough, and the knowledge of incremental cost and benefit of green building is still vague. The government, property developers and consumers are the participants of green building construction in China. Consumers can obtain incremental benefits by purchasing green buildings, they should share the incremental costs transferred from developers[2]. This paper studies the incremental costs and benefits of green buildings and ordinary buildings by using the method of “with or without comparison”. Based on the theory of system dynamics, the constrained parameter model of building cost-benefit evaluation is constructed, which can accurately estimate the cost-benefit results and draw effective conclusions
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