A method of balancing a hydronic network that comprises a plurality of parallel zones (Z1, Z2, Zi, Zn) with a regulating valve (V1, V2, Vi, Vn) in each zone (Z1, Z2, Zi, Zn) for regulating a flow of fluid (Φ1, Φ2, ΦI, ΦN, Φi, Φn) through the respective zone (Z1, Z2, Zi, Zn), the method comprising: using one flow sensor to measure a total flow of fluid (Φtot) through the plurality of parallel zones (Z1, Z2, Zi, Zn) of the hydronic network; and recording in a computer for each of the regulating valves (V1, V2, Vi, Vn) individual flow characteristics, the individual flow characteristics indicating for a respective regulating valve (V1, V2, Vi, Vn) the total flow of fluid (Φtot) measured by the flow sensor at different valve positions of the respective regulating valve (V1, V2, Vi, Vn), while the remaining other regulating valves of the hydronic network are set to a closed valve position; characterized in that the method further comprises: recording in the computer for each of the regulating valves (V1, V2, Vi, Vn) combined flow characteristics, the combined flow characteristics indicating for the respective regulating valve (V1, V2, Vi, Vn) the total flow of fluid (Φtot) measured by the flow sensor at different valve positions of the respective regulating valve (V1, V2, Vi, Vn), while the remaining other regulating valves (V1, V2, Vi, Vn) of the hydronic network are set to an open valve position; determining by the computer correction factors (βi) for each of the regulating valves (V1, V2, Vi, Vn), using the individual flow characteristics of the respective regulating valve (V1, V2, Vi, Vn) and the combined flow characteristics of the respective regulating valve (V1, V2, Vi, Vn); and balancing the hydronic network by the computer setting the valve positions of the regulating valves (V1, V2, Vi, Vn), using target flows (S1, S2, Si, Sn) for the zones (Z1, Z2, Zi, Zn) and the correction factors (βi) of the regulating valves (V1, V2, Vi, Vn). using one flow sensor to measure a total flow of fluid (Φtot) through the plurality of parallel zones (Z1, Z2, Zi, Zn) of the hydronic network; and recording in a computer for each of the regulating valves (V1, V2, Vi, Vn) individual flow characteristics, the individual flow characteristics indicating for a respective regulating valve (V1, V2, Vi, Vn) the total flow of fluid (Φtot) measured by the flow sensor at different valve positions of the respective regulating valve (V1, V2, Vi, Vn), while the remaining other regulating valves of the hydronic network are set to a closed valve position; characterized in that the method further comprises: recording in the computer for each of the regulating valves (V1, V2, Vi, Vn) combined flow characteristics, the combined flow characteristics indicating for the respective regulating valve (V1, V2, Vi, Vn) the total flow of fluid (Φtot) measured by the flow sensor at different valve positions of the respective regulating valve (V1, V2, Vi, Vn), while the remaining other regulating valves (V1, V2, Vi, Vn) of the hydronic network are set to an open valve position; determining by the computer correction factors (βi) for each of the regulating valves (V1, V2, Vi, Vn), using the individual flow characteristics of the respective regulating valve (V1, V2, Vi, Vn) and the combined flow characteristics of the respective regulating valve (V1, V2, Vi, Vn); and balancing the hydronic network by the computer setting the valve positions of the regulating valves (V1, V2, Vi, Vn), using target flows (S1, S2, Si, Sn) for the zones (Z1, Z2, Zi, Zn) and the correction factors (βi) of the regulating valves (V1, V2, Vi, Vn). recording in the computer for each of the regulating valves (V1, V2, Vi, Vn) combined flow characteristics, the combined flow characteristics indicating for the respective regulating valve (V1, V2, Vi, Vn) the total flow of fluid (Φtot) measured by the flow sensor at different valve positions of the respective regulating valve (V1, V2, Vi, Vn), while the remaining other regulating valves (V1, V2, Vi, Vn) of the hydronic network are set to an open valve position; determining by the computer correction factors (βi) for each of the regulating valves (V1, V2, Vi, Vn), using the individual flow characteristics of the respective regulating valve (V1, V2, Vi, Vn) and the combined flow characteristics of the respective regulating valve (V1, V2, Vi, Vn); and balancing the hydronic network by the computer setting the valve positions of the regulating valves (V1, V2, Vi, Vn), using target flows (S1, S2, Si, Sn) for the zones (Z1, Z2, Zi, Zn) and the correction factors (βi) of the regulating valves (V1, V2, Vi, Vn).