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Evaluation of the Hygrothermal Conditions of a Typical Residential Building in the Azores Archipelago

Author

Listed:
  • João Malça

    (Coimbra Institute of Engineering (ISEC), Polytechnic Institute of Coimbra, Rua Pedro Nunes, Quinta da Nora, 3030-199 Coimbra, Portugal
    Department of Mechanical Engineering, University of Coimbra, ADAI, Rua Luís Reis Santos, Pólo II, 3030-788 Coimbra, Portugal)

  • Ricardo M. S. F. Almeida

    (Department of Civil Engineering, School of Technology and Management, Polytechnic Institute of Viseu, Campus Politécnico de Repeses, 3504-510 Viseu, Portugal
    CONSTRUCT-LFC, Faculdade de Engenharia (FEUP), Universidade do Porto, Rua Dr. Roberto Frias S/n, 4200-465 Porto, Portugal)

  • José A. R. Mendes Silva

    (Civil Engineering Research and Innovation for Sustainability (CERIS), Department of Civil Engineering, University of Coimbra, Rua Luís Reis Santos, Pólo II, 3030-788 Coimbra, Portugal
    Institute for Research and Technological Development in Construction, Energy, Environment and Sustainability (Itecons), Rua Pedro Hispano, 3030-289 Coimbra, Portugal)

Abstract

This article contributes to the assessment of the hygrothermal conditions of residential buildings in the Azores archipelago and defines strategies that may contribute to the improvement in indoor air quality. These objectives were fulfilled by in situ monitoring of the hygrothermal conditions of a typical building on Terceira Island. Complementary tests to determine the thermal conductivity of exterior walls and ventilation rates were also conducted. The results were used to validate a simulation model, and different ventilation strategies were simulated using the combined heat, air, and moisture transfer model in EnergyPlus. The model took into account the typical construction methods and materials of the archipelago, as well as the reference weather data sets available for the region. The monitoring campaign showed that the percentage of time in which thermal comfort conditions were achieved was very low, varying from 5% to 32%, being the main cause for discomfort in the humidity level in the indoor environment. The simulation results pointed out the sensitivity of the problem, showing that ventilation may not always be, by itself, beneficial to thermal comfort. In particular, ventilation strategies should be established taking into account additional criteria other than the air change rate, namely the periods of the day and year in which ventilation should be performed, as well as the duration of these periods.

Suggested Citation

  • João Malça & Ricardo M. S. F. Almeida & José A. R. Mendes Silva, 2023. "Evaluation of the Hygrothermal Conditions of a Typical Residential Building in the Azores Archipelago," Energies, MDPI, vol. 16(13), pages 1-16, June.
    • Handle: RePEc:gam:jeners:v:16:y:2023:i:13:p:5075-:d:1184007
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    References listed on IDEAS

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    1. Jolanta Šadauskienė & Valdas Paukštys & Lina Šeduikytė & Karolis Banionis, 2014. "Impact of Air Tightness on the Evaluation of Building Energy Performance in Lithuania," Energies, MDPI, vol. 7(8), pages 1-16, August.
    2. Víctor Pérez-Andreu & Carolina Aparicio-Fernández & José-Luis Vivancos & Javier Cárcel-Carrasco, 2021. "Experimental Data and Simulations of Performance and Thermal Comfort in a Typical Mediterranean House," Energies, MDPI, vol. 14(11), pages 1-14, June.
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