The binary fluid ejector refrigeration system (BERS) can be used to expand the condensation and the
evaporation temperature ranges. BERS operates on the specially selected refrigerants mixtures [5, 6, 7].
The selection criteria are: the difference in molecular mass, critical speeds of sound, heat of vaporization
and compressibility ratio. In the BERS, condensation temperature may increase up to 55-60°C providing
same amount of the generated cold and the СОР on a level of 0.5-0.7. The COP of the BERS is often
higher than of single fluid ERS. The BERS cycle is shown on Fig.