TO THE QUESTION OF THE CHOICE OF THE HEAT EXCHANGER FOR GEOTHERMAL THERMAL PUMPS OF DIRECT EVAPORATION
Possibility of application of heatpump installations in the conditions of the Russian Federation is considered. The most perspective is use of the combined schemes including three freon contours. By results of calculations it is proved that the U-shaped soil heat exchanger is more effective device for the solution of problems of utilization of geothermal warmth in a midland of Russia.