solutions, to address drinking water quality, hardness, and process water conditioning. Stelo offers heating water treatment services such as system flushing, demineralization, and pH adjustment in line with VDI guidance for water‑based heating networks. Its service portfolio includes cleaning and maintenance of heating, domestic water, and cooling pipework, as well as inspection and ongoing servicing of installed systems. The company supports energy sector partners with integrated water solutions and serves both private homeowners and organizational clients that operate building and production infrastructure.