Pump bearings for a sustainable heat supply with lake water

The project showcases how Getzner’s elastic pump and pipe bearings were used to significantly reduce vibration and noise in the new indoor swimming pool complex (Seebad Bregenz) in Bregenz. The facility’s central energy plant, located directly beneath the sauna area, uses thermal energy from Lake Constance, drawing water from a depth of 40 m through a 600 m pipeline to supply a low‑temperature district heating and cooling network.

Because six continuously operating pumps generate strong vibrations, Getzner implemented Isotop® DSD‑BL2 pump bearings and Sylomer®/Sylodyn® pipe supports to prevent structure‑borne noise. This ensured quiet operation for guests above and enabled efficient, sustainable heating and cooling for buildings connected to the network.

The project marks a key step toward decarbonizing Bregenz’s energy supply.