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The Use of a Heat Pump in a Ventilation Unit as an Economical and Ecological Source of Heat for the Ventilation System of an Indoor Swimming Pool Facility

Author

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  • Katarzyna Ratajczak

    (Institute of Environmental Engineering and Building Installations, Poznan University of Technology, Berdychowo 4, 61-131 Poznan, Poland)

  • Edward Szczechowiak

    (Institute of Environmental Engineering and Building Installations, Poznan University of Technology, Berdychowo 4, 61-131 Poznan, Poland)

Abstract

Air handling units are usually used to maintain the thermal and humidity parameters in indoor swimming pools that are used for lap swimming and recreation. Their use throughout the year consumes much more energy than, for example, air conditioning in residential or office buildings. Their considerable energy consumption is due to the need for their continuous operation to remove moisture gains from the evaporation of water and to heat the air and cover the heat losses of the pool. It is possible to design ventilation devices in such a way that the operating costs will be reduced, and the environmental impact will be significantly reduced. In this article, six different ventilation units in which different heat sources are used to heat the ventilation air have been evaluated; the selection of which was based on the most commonly used solutions. The results of the analysis are aimed to show which of the available heat sources is the most advantageous in terms of global and operating costs, and in terms of low CO 2 emissions. Indicators of both the final and primary energy consumption, as well as the operating and global costs, were determined. The recommended solution that was chosen was the one that had both the lowest cost index (18–20% lower than most ecological sources) and the low primary energy index (8–13% higher than most ecological sources). The results showed that a heat pump in the ventilation unit proved to be the most beneficial solution. Unfortunately, this solution is rarely used due to its high investment costs (20% higher). However, the results have shown that the investment cost of using an advanced air handling unit will be recouped in only two to three years. Also, the global cost for units with a heat pump proved to be the lowest, despite high investment cost.

Suggested Citation

  • Katarzyna Ratajczak & Edward Szczechowiak, 2020. "The Use of a Heat Pump in a Ventilation Unit as an Economical and Ecological Source of Heat for the Ventilation System of an Indoor Swimming Pool Facility," Energies, MDPI, vol. 13(24), pages 1-22, December.
    • Handle: RePEc:gam:jeners:v:13:y:2020:i:24:p:6695-:d:464412
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    References listed on IDEAS

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    Cited by:

    1. Łukasz Amanowicz & Janusz Wojtkowiak, 2021. "Comparison of Single- and Multipipe Earth-to-Air Heat Exchangers in Terms of Energy Gains and Electricity Consumption: A Case Study for the Temperate Climate of Central Europe," Energies, MDPI, vol. 14(24), pages 1-28, December.
    2. Joanna Sinacka & Edward Szczechowiak, 2021. "An Experimental Study of a Thermally Activated Ceiling Containing Phase Change Material for Different Cooling Load Profiles," Energies, MDPI, vol. 14(21), pages 1-16, November.
    3. Piotr Michalak, 2021. "Annual Energy Performance of an Air Handling Unit with a Cross-Flow Heat Exchanger," Energies, MDPI, vol. 14(6), pages 1-16, March.
    4. Katarzyna Ratajczak & Edward Szczechowiak & Aneta Pobudkowska, 2023. "Energy-Saving Scenarios of an Existing Swimming Pool with the Use of Simple In Situ Measurement," Energies, MDPI, vol. 16(16), pages 1-25, August.
    5. Ole Øiene Smedegård & Thomas Jonsson & Bjørn Aas & Jørn Stene & Laurent Georges & Salvatore Carlucci, 2021. "The Implementation of Multiple Linear Regression for Swimming Pool Facilities: Case Study at Jøa, Norway," Energies, MDPI, vol. 14(16), pages 1-24, August.

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