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COVID-19 is the new norm around the world. This report evaluates high-rise residential buildings in Toronto and how best to mitigate the spread of COVID-19. Various software solutions were used to examine different aspects of this HVAC problem. Eventually, it was decided to supply air directly to each unit so everyone would receive fresh air. A higher ratio of outdoor air in the air mixture was configured. Larger ducts and more powerful fans will need to be installed. A MERV filter rating of 8 was exchanged for a rating of 16 for increased efficiency by 5%. The addition of an external air filter decreases the concentration of the contaminants by 3–4 times more than having the space without it. From the results, the HVAC system should have an Outdoor Air Fraction (OAF) of 40% and MERV-16 filters.

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HVAC Strategies for Mitigating the Spread COVID-19 in High-Rise Residential Building

  • 会议论文

  • 发表日期：

    2025年

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  • B. Workneh,
  • H. Usmani,
  • A. Poobalasingam,
  • T. Quach,
  • Alan S. Fung

摘要

COVID-19 is the new norm around the world. This report evaluates high-rise residential buildings in Toronto and how best to mitigate the spread of COVID-19. Various software solutions were used to examine different aspects of this HVAC problem. Eventually, it was decided to supply air directly to each unit so everyone would receive fresh air. A higher ratio of outdoor air in the air mixture was configured. Larger ducts and more powerful fans will need to be installed. A MERV filter rating of 8 was exchanged for a rating of 16 for increased efficiency by 5%. The addition of an external air filter decreases the concentration of the contaminants by 3–4 times more than having the space without it. From the results, the HVAC system should have an Outdoor Air Fraction (OAF) of 40% and MERV-16 filters.