All systems for heating water in the pools are assembled on the basis of the PG solar collector with hit pipes of 24 pieces each, a heat exchanger (or its analogue), a pump station and a programmer for operating modes of the SR81 system. The heat exchanger consists of stainless steel plates, which guarantees 100% protection of the pool heating system from corrosion. Installation of the system does not require the invitation of a professional specialist and can be done independently. All the difficulty consists only in installing the heat exchanger in the circuit of the pool filtration system. The maximum effect of using the PG Pool system will be achieved if the pool is covered with a blanket overnight, especially in the coldest months. For areas with low insolation, we recommend increasing the number of solar collectors by one. The service life of the pool heating system is at least 30 years. The payback of the system, if we take alternative heat sources as a basis, such as gas stoves or heat pumps, will not exceed 3 years.