Internal Heat Exchanger

Solutions for increasing the efficiency of air conditioning systems.

The internal heat exchanger (IHX) cools the refrigerant without the need for additional energy. The line integrated tube-in-tube solution also makes use of a thermodynamic effect to further cool the refrigerant in the inner tube.


  • IHX integration cuts the power consumption of the compressor by 10%
  • That corresponds to a CO2 equivalent of 23 g/km
  • Offsets the thermodynamic disadvantages of R1234yf

Internal heat exchanger

Specifications 8 segments 10 segments
Heating capacity 775 W >755 W
Pressure loss HD 99mbar >99mbar
Pressure loss ND 140mbar <140mbar
Package 500mm 500mm
Weight 339g >339g