If you believe the forecasts of the World Committee, which is engaged in energy, then around 2020 many civilized and developed countries will switch to the heat supply of this type, that is, through pumps. We can definitely say that such devices have already been used with great success for more than 25 years in a row in everyday life and industry. Of course, the solar collector has found widespread use in Europe and America today. In many large cities, industrial structures with high power use the thermal pumps. They provide environmentally friendly warmth and hot water supply large cities and enterprises.















