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Upscaling and case study design: Influence on the environmental impact assessment of high-temperature heat pumps using LCA.

Number: 1175

Author(s) : ZEILERBAUER L., PUSCHNIGG S., LINDORFER J., HUBMANN F., WINDHOLZ B.

Summary

Existing high-temperature heat pumps were investigated by means of life cycle assessment with thermal outputs of 0.19, 0.66, 1.2 and 10 MW. Scale up was performed linearly, due to a better fit than other methods presented in the literature. It was shown that the electricity consumed during the usage phase has a greater impact in the majority of damage categories rather than manufacturing or the production/leakage of the working fluid. The European grid mix was compared to the French and Spanish one, showing that a lowcarbon power source is vital. Finally, a benchmark with other common steam sources was done in terms of  global warming potential, showing the substitution of fossil-based steam sources is the biggest lever when implementing heat pumps for better sustainability.

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Pages: 12 p.

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Details

  • Original title: Upscaling and case study design: Influence on the environmental impact assessment of high-temperature heat pumps using LCA.
  • Record ID : 30033569
  • Languages: English
  • Subject: Environment
  • Source: 14th IEA Heat Pump Conference 2023, Chicago, Illinois.
  • Publication date: 2023/05

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