Up-scaling and mainstreaming sustainable building practices in western China
Up-scaling and mainstreaming sustainable building practices in western China 

HUMA St. Augustin, Germany

GFR m.b.H GFR - Gesellschaft für Regelungstechnik und Energieeinsparung mbH

Building name

HUMA St. Augustin

Floor area (sq mts)

61,000 m2


Rathausallee 16, 53757 Sankt Augustin, Germany

Number of floors


Building use

Shopping Centre

Built year



Short description of technologies and BEMS

Cooling system


4 continuously variable screw compressor chillers with a total cooling capacity of 3 MW

Heating system


2 condensing boilers with a total capacity of 3.3 MW heat output

Ventilation system

17 RLT air handling units with a cumulative ventilation rate capacity of

1,340,000 m³/h; 5 smoke extraction fans & 62 exhaust fans; 150 shops with flow control regulators for space cooling and heating

Renewable energy system

Geothermal heat pump


Air conditioning, heating and ventilation

Occupancy schedules have been incorporated in the automation system.

Function selection between cooling and heating is determined by a temperature set-point control.

Air flow rate is controlled by a temperature set-point control

Ventilation system is capable of facilitating night cooling with appropriate controls

Room temperature can be adjusted through automatic individual room controls using thermostatic valves or electronic control devices.

HVAC equipment and ancillary controls

Ventilation system is provided with air side economizer and heat recovery ventilation controls


Total cost of all control strategies (EUR)

MSR – circa 2 Mio €