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Air conditioning with R744 refrigerant

Klimatisierung mit dem Kältemittel R744

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The environment-friendly A/C system by Behr being introduced in 2003 is more powerful than a conventional system. However, the requirements have changed: Instead of a higher cooling performance, the same performance of a R744 system is expected in comparison to a state-of-the-art system with R134a, with minimal additional costs. The second generation R744 system fulfils these requirements.

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Heinle, D., Riegel, H. & Weinbrenner, M. Air conditioning with R744 refrigerant. ATZ Worldw 107, 34–35 (2005).

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  • Cool Performance
  • R134a Circuit
  • Expansion Device
  • Internal Heat Exchanger
  • R744 System