Private and public swimming pools, hotel pools, hot springs pools, saunas, solariums, sports centers, etc.

- Swimming pools: water disinfection
- Water treatment: hot and cold water (Legionella)
- Rooms / halls: floors, walls, ceilings, cabins, solariums, saunas, etc.
- Sanitary facilities: floors, walls, ceilings, bathrooms, wash basins, toilets
- Refrigeration / air conditioning: air conditioning and ventilation systems