It is the heating of the houses by providing hot water to the radiators in the whole apartment from a single center. It helps the houses to meet their heating needs without any extra operations. It is possible to heat in the most effective way with the boiler and piping that will manage the fluid to be used. The heated water circulates continuously with the help of the pressure of the pipes and the boiler in the circulation. Thanks to this circulation, heat transfer is made to all houses.