Cost-benefit analysis of passive air conditioning strategies in social housing in Ciudad Juárez, Chihuahua

Authors

DOI:

https://doi.org/10.32870/rvcs.v2i10.165

Keywords:

cost-benefit, social housing, Mexico, climate adaptation, simulation

Abstract

Low-income housing is a segment of construction that is governed mainly by economic interests trying to solve a social problem. In recent years there has been a real interest in this type of housing to respond to its climatic adaptation in order to respond to the original function of the habitat: to generate a refuge from the outside. However, it seems that the studies carried out toward the conversion of the most suitable housing to the environment contradict economic interests and, therefore, are automatically discarded. This research aims to demonstrate the possibility of applying passive climatic adaptations to build homes without undermining the family economy, through a cost-benefit analysis applying the life cycle cost analysis methodology. The study was carried out through simulations of scenarios implementing improvements to a 50.95 m2typical house. The simulated scenarios were the base model (mb), implementation of solar protection, window insulation, roof insulation, wall in- sulation, and all previous strategies. The cost-benefit analysis was carried out through a 30-year numerical projection with an in ation rate for electric power of 5%, a nominal interest rate of 4.22%, and an in ation rate of 4.03%. The results showed that the models with the highest efficiency were all strategies (98.5%) and insulation in walls (94.6%). In economic terms, the greatest net saving was the insulation in walls above all the strategies, with a saving of $196,216.99 pesos with a payback time of seven years.

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Author Biographies

Liliana Karina Alba Gómez, Autonomous University of Ciudad Juárez, Mexico

Architect by the Autonomous University of Ciudad Juárez, Mexico. Research area: bioclimatic architecture, cost-benefit analysis, desert architecture.

Luis Carlos Herrera Sosa, Autonomous University of Ciudad Juarez, Mexico

Architect by the School of Architecture of Chihuahua (1989). Master in Bioclimatic Architecture by the School of Latin America and the Caribbean "ISTHMUS" and by the Faculty of Architecture of the University of Colima, Mexico (2004), graduated with honorable mention. Doctorate in Architecture from the University of Colima, in the Interinstitutional Program in Architecture (PIDA) (2009). Winner of the Peña Colorada Prize awarded by the Government of Colima for his academic performance (2008). Special mention in the Chihuahua Prize in the Technology area (2008). Third place of the Ibero-American Prize for Research Thesis on Sustainable Housing Infonavit-Redalyc (2010). Lecturer on scientific research articles in Belgium, Switzerland, Panama, Argentina and Mexico. Publication of 15 articles for peer-reviewed scientific journals, eight book chapters and the author of two books. Professor-researcher at the Institute of Architecture, Design and Art of the Autonomous University of Ciudad Juárez. Member of the National System of Researchers level I period 2015-2022.

Carlos Javier Esparza López, University of Colima, Mexico

Graduated in Architecture from the Michoacan University of San Nicolás de Hidalgo in 2009. Master in Architecture with Honorable Mention from the University of Colima in 2011. Doctor of Architecture with Honorable Mention from the Inter-Institutional Doctoral Program in Architecture PIDA formed by the Autonomous University of Aguascalientes, University of Colima, University of Guanajuato and the Michoacan University of San Nicolás de Hidalgo in 2015. Full-time “A” professor-researcher for bachelor's, master's and doctorate programs in Architecture at the University of Colima. Professor of the Master in Bioclimatic Architecture taught at the School of Architecture and Design of Latin America and the Caribbean ISTHMUS based in Panama. Postgraduate professor in architecture for the Vizcaya University of the Americas and the Universidad Iberoamericana, León campus. He is part of the scientific committees of international events such as the Passive and Low Energy Architecture Congress and Facade techtonics from 2016 to date. Judge of peer-reviewed journals such as Energy and Buildings and Journal of Building Engineering of the Elsevier publishing house. Participation as author and co-author in various national and international presentations. Participation as author and co-author in various publications for national and international magazines, as well as in book chapters. Participation in various national and international research networks. Member of the academic body UCOL CA-25 "Architecture and environment". Recognition of the National System of Researchers SNI level 1 from 2017-2022. Associate member of the Passive and Low Energy Architecture Association and the International Building Simulation Performance Association since 2018. Member of the committee of the PLEA Chapter Latinamerica and the Caribbean 2020-2024.

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Vivienda y Comunidades Sustentables

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Published

2021-01-30

How to Cite

Alba Gómez, L. K., Herrera Sosa, L. C., & Esparza López, C. J. (2021). Cost-benefit analysis of passive air conditioning strategies in social housing in Ciudad Juárez, Chihuahua. Vivienda Y Comunidades Sustentables, (10), 81–91. https://doi.org/10.32870/rvcs.v2i10.165

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No. 10 (2021): Sustainable Housing and Communities

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