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The Effects of an Adaptive Ventilation Control System on Indoor Air Quality and Energy Consumption

Author

Listed:
  • Vasilica Vasile

    (National Institute for Research and Development in Constructions, Urbanism and Sustainable Spatial Development “URBAN-INCERC”, 266 Pantelimon Road, 021652 Bucharest, Romania)

  • Vlad Iordache

    (CAMBI Research Center, Technical University of Civil Engineering of Bucharest, 66 Pache Protopopescu Blvd., 021407 Bucharest, Romania)

  • Valentin Mihai Radu

    (CAMBI Research Center, Technical University of Civil Engineering of Bucharest, 66 Pache Protopopescu Blvd., 021407 Bucharest, Romania)

  • Cristian Petcu

    (National Institute for Research and Development in Constructions, Urbanism and Sustainable Spatial Development “URBAN-INCERC”, 266 Pantelimon Road, 021652 Bucharest, Romania)

  • Claudiu-Sorin Dragomir

    (National Institute for Research and Development in Constructions, Urbanism and Sustainable Spatial Development “URBAN-INCERC”, 266 Pantelimon Road, 021652 Bucharest, Romania
    Faculty of Land Reclamation and Environmental Engineering, University of Agronomic Sciences and Veterinary Medicine of Bucharest, 59 Mărăști Avenue, 012244 Bucharest, Romania)

Abstract

Indoor air quality (IAQ) and energy consumption (Q) are well-known building estimators, but they are used separately. Energy consumption is used during the design stage, while IAQ is used during operation. The novelty of our approach is that we propose using both estimators simultaneously during building operations. The purpose of this study was to find an adaptive ventilation strategy that maintained good indoor air quality with minimal energy consumption. The second novelty of our approach consists of IAQ estimation. While the operation of ventilation systems depends only on the indoor carbon dioxide (CO 2 ) concentration at present, our novel approach uses a more global IAQ index that includes four different air pollutants. Physical models are used for the hourly prediction of the two indices: global IAQ and Q. This study presents a comparative analysis of several ventilation operations strategies: fixed versus adaptive. The main findings show that a decrease in the ventilation rate, n a , from 3.5 h −1 to 2.0 h −1 leads to a diminishment in energy consumption of 42.9%, maintaining the global IAQ index under the limited health risk value (VRL). Moreover, an adaptive ventilation strategy of n a , maintaining the global IAQ index value under VRL, achieves a further reduction in energy consumption of 72.9%, highlighting its efficiency.

Suggested Citation

  • Vasilica Vasile & Vlad Iordache & Valentin Mihai Radu & Cristian Petcu & Claudiu-Sorin Dragomir, 2024. "The Effects of an Adaptive Ventilation Control System on Indoor Air Quality and Energy Consumption," Sustainability, MDPI, vol. 16(22), pages 1-23, November.
    • Handle: RePEc:gam:jsusta:v:16:y:2024:i:22:p:9836-:d:1518697
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    References listed on IDEAS

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    1. Tomoya Uenaga & Pedram Omidian & Riya Catherine George & Mohsen Mirzajani & Naser Khaji, 2023. "Seismic Resilience Assessment of Curved Reinforced Concrete Bridge Piers through Seismic Fragility Curves Considering Short- and Long-Period Earthquakes," Sustainability, MDPI, vol. 15(10), pages 1-29, May.
    2. Hayata Kuramochi & Ryuta Tsurumi & Yoshiki Ishibashi, 2023. "Meta-Analysis of the Effect of Ventilation on Intellectual Productivity," IJERPH, MDPI, vol. 20(8), pages 1-12, April.
    3. Elisabeti F. T. Barbosa & Lucila C. Labaki & Adriana P. A. S. Castro & Felipe S. D. Lopes, 2024. "Energy Efficiency and Thermal Comfort Analysis in a Higher Education Building in Brazil," Sustainability, MDPI, vol. 16(1), pages 1-25, January.
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