Using all phases of a life cycle assessment (LCA), this paper analyses the environmental impact of a dualsource heat pump (DSHP) system that uses either the air or the ground as external heat sources. Data on the production were provided by the manufacturer of the heat pump prototype. The use phase was considered by evaluating the seasonal and annual energy performance of the system, using dynamic simulations. The system maintenance and end-of-life were modelled in accordance with the current regulations and statistical data in this sector. The Ecoinvent database was used as a reference for background data. The ReCiPe, CED and IPCC 100a impact methods were used to assess the environmental impact categories. The results were compared with those of conventional air and ground source heat pump systems. A sensitivity study on the influence of the energy in the use phase was carried out in terms of a variation in energy use and for different energy mixes, including photovoltaic energy. The results demonstrated the environmental validity of the technology in comparison with the two conventional heat pumps used for residential applications in different conditions. The results could be used by heat pump manufacturers to improve the design and performance of their products, by designers in the selection of thermal technologies, and by researchers involved in the study of similar emerging renewable energy technologies.

Environmental performance analysis of a dual- source heat pump system / Marinelli, S.; Lolli, F.; Butturi, Maria Angela; Rimini, B.; Gamberini, R.. - In: ENERGY AND BUILDINGS. - ISSN 0378-7788. - 223:(2020), pp. 1-13. [10.1016/j.enbuild.2020.110180]

Environmental performance analysis of a dual- source heat pump system

S. Marinelli;F. Lolli;Maria Angela Butturi;B. Rimini;R. Gamberini
2020

Abstract

Using all phases of a life cycle assessment (LCA), this paper analyses the environmental impact of a dualsource heat pump (DSHP) system that uses either the air or the ground as external heat sources. Data on the production were provided by the manufacturer of the heat pump prototype. The use phase was considered by evaluating the seasonal and annual energy performance of the system, using dynamic simulations. The system maintenance and end-of-life were modelled in accordance with the current regulations and statistical data in this sector. The Ecoinvent database was used as a reference for background data. The ReCiPe, CED and IPCC 100a impact methods were used to assess the environmental impact categories. The results were compared with those of conventional air and ground source heat pump systems. A sensitivity study on the influence of the energy in the use phase was carried out in terms of a variation in energy use and for different energy mixes, including photovoltaic energy. The results demonstrated the environmental validity of the technology in comparison with the two conventional heat pumps used for residential applications in different conditions. The results could be used by heat pump manufacturers to improve the design and performance of their products, by designers in the selection of thermal technologies, and by researchers involved in the study of similar emerging renewable energy technologies.
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Environmental performance analysis of a dual- source heat pump system / Marinelli, S.; Lolli, F.; Butturi, Maria Angela; Rimini, B.; Gamberini, R.. - In: ENERGY AND BUILDINGS. - ISSN 0378-7788. - 223:(2020), pp. 1-13. [10.1016/j.enbuild.2020.110180]
Marinelli, S.; Lolli, F.; Butturi, Maria Angela; Rimini, B.; Gamberini, R.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11380/1203865
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