Heat Pipe Heating and Cooling Building Modules: Thermal Properties and Possibilities of Their Use in Polish Climatic Conditions

Karolina Durczak () and Bernard Zawada
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Karolina Durczak: Department of Air Conditioning and Heating, Faculty of Environmental Engineering, Warsaw University of Technology, 00-653 Warszawa, Poland
Bernard Zawada: Department of Air Conditioning and Heating, Faculty of Environmental Engineering, Warsaw University of Technology, 00-653 Warszawa, Poland

Energies, 2025, vol. 18, issue 19, 1-14

Abstract: The subject of this paper is an analysis of the use of wall heating and cooling modules with heat pipes for efficient space heating and cooling. The modules under consideration constitute a structural element installed in the room’s partition structure and consist of heat pipes embedded in a several-centimeter layer of concrete. Water-based central heating and chilled water systems were used as the heat and cooling source. The heat pipes are filled with a thermodynamic medium that changes state in repeated gas–liquid cycles. The advantage of this solution is the use of heat pipes as a heating and cooling element built into the wall, instead of a traditional water system. This solution offers many operational benefits, such as reduced costs for pumping the heat medium. This paper presents an analysis of the potential of using heat pipe modules for heating and cooling in real-world buildings in Poland. Taking into account the structural characteristics of the rooms under consideration (i.e., internal wall area, window area), an analysis was conducted to determine the potential use of the modules for space heating and cooling. The analysis was based on rooms where, according to the authors, the largest possible use of internal and external wall surfaces is possible, such as hotels and schools. Based on the simulations and calculations, it can be concluded that the modules can be effectively used in Poland as a real heating and cooling element: standalone, covering the entire heating and cooling demand of a room, e.g., a hotel room, or as a component working with an additional system, e.g., air cooling and heating in school buildings. The changes in outdoor air temperature, during the year analyzed in the article, were in the range of −24/+32 °C.

Keywords: heat pipes; surface heating; surface cooling; energy efficiency; low emission (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2025
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