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Energy Cost Assessment and Optimization of Post-COVID-19 Building Ventilation Strategies

Author

Listed:
  • Antiopi-Malvina Stamatellou

    (Department of Mechanical Engineering, University of Thessaly, 383 34 Volos, Greece)

  • Olympia Zogou

    (Department of Mechanical Engineering, University of Thessaly, 383 34 Volos, Greece)

  • Anastassios Stamatelos

    (Department of Mechanical Engineering, University of Thessaly, 383 34 Volos, Greece)

Abstract

The advent of the COVID-19 pandemic puts stress on the requirements of indoor air quality. Significant improvements in the design of building ventilation systems have become necessary, as this allows for the supply of higher quantities of outdoor air in buildings. Additional capital investment is necessary for increases in the size of ventilation fans and ducts, as well as for the installation of efficient air-to-air recuperators, to recover the enthalpy of the rejected air. To address the increased operation costs, smart strategies are necessary to make rational use of the ventilation system. The required modifications are studied in the example of an 18-zone office building located in Volos, Greece. The building’s energy performance is studied by means of transient simulation. Operation of the ground-coupled heat pump, the upgraded ventilation system and the high-performance recuperators and filters’ interactions is presented in detail at various time scales. The results show the effect of increased ventilation requirements of new and renovated office and commercial buildings in the post-COVID era. The added capital equipment and operation costs must be met with a strong and sustained engineering effort. Especially in the case of nZEB buildings, the protection of public health must be attained, with reduction of the added electricity consumption penalties, in order to keep the nZEB character of the building.

Suggested Citation

  • Antiopi-Malvina Stamatellou & Olympia Zogou & Anastassios Stamatelos, 2023. "Energy Cost Assessment and Optimization of Post-COVID-19 Building Ventilation Strategies," Sustainability, MDPI, vol. 15(4), pages 1-24, February.
    • Handle: RePEc:gam:jsusta:v:15:y:2023:i:4:p:3422-:d:1066988
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    References listed on IDEAS

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