Cost benefit analysis of extensive green roofs under tropic humid conditions in Villahermosa, Mexico

Authors

  • Adriana de la Cruz-Uribe Universidad Juárez Autónoma de Tabasco
  • Miguel Ángel Jesús-Castañeda Universidad Juárez Autónoma de Tabasco
  • Rosa Cristina Bolívar-Fuentes División Académica de Ciencias Biológicas, Universidad Juárez Autónoma de Tabasco
  • José Ramón Laines-Canepa Universidad Juárez Autónoma de Tabasco
  • José Roberto Hernández-Barajas Universidad Juárez Autónoma de Tabasco

DOI:

https://doi.org/10.19136/era.a10n1.3586

Keywords:

climate change, COVID, investment, payback period, sustainability

Abstract

The objective was to analyze the profitability of the project for
the installation of extensive green roofs on houses located in a humid tropical climate, considering the effect of various parameters on the benefit-cost
ratio and the payback period of the investment. The environmental benefits
were estimated from the life cycle analysis, while the unit cost analysis allowed determining the effect of material availability on installation costs. The analysis monetized two environmental benefits: electricity savings and carbon sequestration, based on the net present value of installation, maintenance, dismantling and disposal costs. The benefit-cost ratio was found to range from 1.1 to 3.8 with payback periods of 3.4 to 8.9 years, depending on the availability of materials, economic indicators, maintenance actions and the potential reward with carbon credits to the owner. 

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Published

2023-05-10

Issue

Section

SCIENTIFIC ARTICLE