Replacement of existing building lighting and underwater spotlights with LED fixtures, installation of a PV system, thermal renovation of the window façades (replacement of façade elements), installation of a sprinkler/irrigation system, replacement of pumps including pipework modifications with high-efficiency pumps and frequency converters, replacement of the sports pool heat exchanger with an efficient plate heat exchanger, supply and connection of a low-temperature HVAC heat exchanger, replacement of the filter media, new control station for pool water technology, supply and installation of new energy-efficient supply and extract air units, supply and installation of heat pumps, retrofitting of door contact switches to shut off sauna heaters, retrofitting of automatic timer-controlled shut-off for hair dryer stations, electrical, instrumentation, control and automation for sports, warm and cold pools
