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Passive Climate Control System with Recycled Materials for Thermal Comfort in Educational Buildings in Rural Areas

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  • Tania Irene Lagunes Vega

    (Engineering Faculty, Universidad Veracruzana, 455 Ruiz Cortines, Costa Verde, Xalapa 94294, Veracruz, Mexico
    Division of Postgraduate Studies, Faculty of Construction and Habitat Engineering, Veracruzana University, Xalapa 94294, Veracruz, Mexico)

  • Sergio A. Zamora Castro

    (Engineering Faculty, Universidad Veracruzana, 455 Ruiz Cortines, Costa Verde, Xalapa 94294, Veracruz, Mexico
    Division of Postgraduate Studies, Faculty of Construction and Habitat Engineering, Veracruzana University, Xalapa 94294, Veracruz, Mexico)

  • Rogelio de Jesús Portillo Vélez

    (Engineering Faculty, Universidad Veracruzana, 455 Ruiz Cortines, Costa Verde, Xalapa 94294, Veracruz, Mexico
    Division of Postgraduate Studies, Faculty of Construction and Habitat Engineering, Veracruzana University, Xalapa 94294, Veracruz, Mexico)

  • Óscar Velázquez Camilo

    (Engineering Faculty, Universidad Veracruzana, 455 Ruiz Cortines, Costa Verde, Xalapa 94294, Veracruz, Mexico
    Division of Postgraduate Studies, Faculty of Construction and Habitat Engineering, Veracruzana University, Xalapa 94294, Veracruz, Mexico)

  • Joaquin Sangabriel Lomeli

    (Department of Civil Engineering, Tecnológico Nacional de México, Instituto Tecnológico Superior de Misantla, Km. 1.8 Carretera a la Loma del Cojolite, Misantla 93821, Veracruz, Mexico)

  • Lorena del Carmen Santos Cortés

    (Engineering Faculty, Universidad Veracruzana, 455 Ruiz Cortines, Costa Verde, Xalapa 94294, Veracruz, Mexico
    Division of Postgraduate Studies, Faculty of Construction and Habitat Engineering, Veracruzana University, Xalapa 94294, Veracruz, Mexico)

  • Luis Carlos Sandoval Herazo

    (Faculty of Engineering, Universidad de Sucre, Carrera 28 No. 5-267, Sincelejo 700001, Sucre, Colombia
    Research, Graduate and Innovation Division, Tecnológico Nacional de México, Instituto Tecnológico Superior de Misantla, Misantla 93821, Veracruz, Mexico)

Abstract

The construction sector is responsible for approximately 38% of global CO 2 emissions, driven primarily by energy demand for thermal comfort. This research evaluated the implementation of a Passive Climate Control System (PCCS) based on circular economy principles. This system acts as a thermal buffer composed of recycled PET bottles filled with 500 mL of water and a reflective coating, installed on the roof slab. Through a case–control study in Veracruz, Mexico, hygrothermal performance was monitored for ten months. The results demonstrated the superiority of the PCCS over the conventional slab: in autumn–winter, temperature fluctuations were reduced by 26.7%, while in spring–summer, the maximum temperature was limited by 1.3 °C during the daytime peak. Fractal analysis confirmed that the PCCS promotes a homogeneous thermal distribution (Fd ≤ 1.255), maintaining internal conditions within the comfort zone. The implementation of this PCCS, based on waste valorization, is a robust and sustainable solution that offers a viable alternative to active climate control. It promotes hygrothermal comfort and reduces energy consumption, aligning with the objectives of Clean Technology and building efficiency.

Suggested Citation

  • Tania Irene Lagunes Vega & Sergio A. Zamora Castro & Rogelio de Jesús Portillo Vélez & Óscar Velázquez Camilo & Joaquin Sangabriel Lomeli & Lorena del Carmen Santos Cortés & Luis Carlos Sandoval Heraz, 2026. "Passive Climate Control System with Recycled Materials for Thermal Comfort in Educational Buildings in Rural Areas," Clean Technol., MDPI, vol. 8(4), pages 1-32, July.
    • Handle: RePEc:gam:jcltec:v:8:y:2026:i:4:p:108-:d:1989789
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