Projects · Fällanden, Switzerland · Headquarters with labs and offices, retrofit
Headquarters with laboratories, production and offices on four floors. Cooling only through the ceiling, with natural window ventilation.
Bruker AG, an international maker of scientific instruments, planned an extensive upgrade of the building services at its headquarters in Fällanden near Zurich. The equipped areas include open-plan and private offices, cafeteria, team and break areas, and laboratory and technical areas.
The rooms had to be free of drafts and the laboratories free of vibration, with little maintenance effort. Air conditioning was therefore ruled out.
Bruker chose Climatelight and Climatepanel elements. In this project, a ceiling coverage of about 35 % is enough to meet the specified sensible cooling load through the ceiling; fresh air and humidity are handled by natural window ventilation. An adiabatic air-to-water heat pump produces chilled water from 8 °C (46 °F), which also allows night cooling of the building mass.
Wireless, battery-free switches, an app and daylight sensors control the circadian lighting from 3,000 to 6,500 K at over 1,000 lx (93 fc). Room thermostats with actuators control the individual zones.
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