Короткий опис(реферат):
EN: Every winter the deterioration of heating systems, the low quality of work
done by public utility services, exorbitant bills for the phantom heat turn our
lives into a dull misery. The transition to an autonomous home heating − means
the freedom to choose the optimal temperature mode, hot water all year round.
Hot water systems of open and closed types are used in the construction of household and residential buildings. These methods differ in the peculiarities of the laying and the operating principle. Each has its own advantages and disadvantages.
