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The research aims to develop a cascade high temperature heat pump for producing industrial heat at elevated temperatures of 200 °C to 300 °C.

An efficient cascade high temperature heat pump for heat production in the range of 200 °C to 300 °C

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The research aims to develop a cascade high temperature heat pump for producing industrial heat at elevated temperatures of 200 °C to 300 °C.
Studied a cascade heat pump configuration combining absorption and mechanical compression stages.
Optimized the system for maximum exergy efficiency using a model in Engineering Equation Solver.
Conducted comparative analysis with traditional natural gas boilers.
The proposed system achieves a coefficient of performance ranging from 1.81 to 9.41.
Exergy efficiency is recorded between 58.78% and 66.24%.
Heating costs with the new system are 63% lower than those of conventional natural gas boilers.

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Randomized trial investigates innovative heat production system in industrial applications, indicating environmental benefits.

Evangelos Bellos (2026) studied this question.

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