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The Well-Being of Children in Nurseries Does Not Have to Be Expensive: The Real Costs of Maintaining Low Carbon Dioxide Concentrations in Nurseries

Author

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  • Katarzyna Ratajczak

    (Institute of Environmental Engineering and Building Installations, Poznan University of Technology, Pl.M.Sklodowskiej-Curie 5, 60-965 Poznan, Poland)

  • Małgorzata Basińska

    (Institute of Environmental Engineering and Building Installations, Poznan University of Technology, Pl.M.Sklodowskiej-Curie 5, 60-965 Poznan, Poland)

Abstract

There are different standards and regulations outlining the requirements regarding building air quality as well as in nurseries. These requirements specify air stream supplies and carbon dioxide concentration levels, both of which ensure proper indoor air quality. Mechanical ventilation should be used to maintain acceptable carbon dioxide levels. This article analyses the use of ventilation equipped with decentralized units, which helps secure the well-being of children. This paper proposes and evaluates economically affordable ventilation units. An algorithm for selecting the size of the devices is described by the supplied air stream depending on the number of children present at the nursery. A method of transferring the investment costs related to the assembly of the given units to the parents is proposed. Air quality in terms of CO 2 concentrations was based on the following levels: 750 ppm, 1000 ppm, 1500 ppm. This assessment also includes the investment costs resulting from device usage and the costs of electricity consumed by the fans. These results showed the additional costs that assure the air quality improvement do not have to be high (45 PLN/month, ~10 EUR/month) per child attending the nursery. A 3% tuition increase returns the investment costs on mechanical ventilation within four years.

Suggested Citation

  • Katarzyna Ratajczak & Małgorzata Basińska, 2021. "The Well-Being of Children in Nurseries Does Not Have to Be Expensive: The Real Costs of Maintaining Low Carbon Dioxide Concentrations in Nurseries," Energies, MDPI, vol. 14(8), pages 1-19, April.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:8:p:2035-:d:531365
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    References listed on IDEAS

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    1. Wei Wang & Xiaofang Shan & Syed Asad Hussain & Changshan Wang & Ying Ji, 2020. "Comparison of Multi-Control Strategies for the Control of Indoor Air Temperature and CO 2 with OpenModelica Modeling," Energies, MDPI, vol. 13(17), pages 1-20, August.
    2. Hardi K. Abdullah & Halil Z. Alibaba, 2020. "Window Design of Naturally Ventilated Offices in the Mediterranean Climate in Terms of CO 2 and Thermal Comfort Performance," Sustainability, MDPI, vol. 12(2), pages 1-33, January.
    3. Jakub Bartyzel & Damian Zięba & Jarosław Nęcki & Mirosław Zimnoch, 2020. "Assessment of Ventilation Efficiency in School Classrooms Based on Indoor–Outdoor Particulate Matter and Carbon Dioxide Measurements," Sustainability, MDPI, vol. 12(14), pages 1-9, July.
    4. Paula Ala-Kotila & Terttu Vainio & Jarmo Laamanen, 2020. "The Influence of Building Renovations on Indoor Comfort—A Field Test in an Apartment Building," Energies, MDPI, vol. 13(18), pages 1-18, September.
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    Cited by:

    1. Małgorzata Basińska & Katarzyna Ratajczak & Michał Michałkiewicz & Paweł Fuć & Maciej Siedlecki, 2021. "The Way of Usage and Location in a Big City Agglomeration as Impact Factors of the Nurseries Indoor Air Quality," Energies, MDPI, vol. 14(22), pages 1-27, November.
    2. Łukasz Amanowicz & Katarzyna Ratajczak & Edyta Dudkiewicz, 2023. "Recent Advancements in Ventilation Systems Used to Decrease Energy Consumption in Buildings—Literature Review," Energies, MDPI, vol. 16(4), pages 1-39, February.

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