The goal of the research is to compare the efficiency level of centrifugal pumps of various designs to be used at the second stage pumping stations of public water supply systems and at the main pumping stations of district heating systems. For this purpose, a variety of centrifugal pumps have been analysed and the regression equations with the coefficients of determination have been derived. The main conclusion is as follows: horizontal end-suction single-stage close-coupled pumps are less efficient in comparison with vertical in-line multistage close-coupled pumps, when the flow rate is up to 83 m3/h at the definite range of the head (from 30 to 55 m).