Hidden gems: Water treatment plants in Königswinter

Discover the city's hidden treasures—remarkable spots that are relatively undiscovered but offer exceptional experiences. Our selection criteria? A rating of 4.5 or higher with fewer than 150 reviews. Explore these lesser-known yet outstanding places that promise a delightful visit in Königswinter. This list contains 2 places from Water treatment plant category.

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Osmounity Wasserfilter Osmose- Ultrafiltrationsanlagen image
1
Osmounity Wasserfilter Osmose- Ultrafiltrationsanlagen
Corporate office
😠 !! Achtung !! Falls Sie sich wundern, wieso die Google Bewertungen so positiv ausfallen: das liegt daran, dass der Inhaber mit Anwalt gegen negative Bewertungen vorgeht. Statt einfach den Kohlefilter zu ersetzen oder den Kontakt zu suchen, geht der Inhaber lieber den juristischen Weg. Uff Generell...
4.80 (79 reviews) (~57.26 km from centre)
ATB WATER GmbH image
2
ATB WATER GmbH
Water treatment plant
👍👍 ATB WATER is my company. That's why I think it's great! Unfortunately, there are some bad reviews about our products or our service here. - Almost always, however, from people who are not even our customers. We at ATB work hard to provide all of our service partners with the best possible training....
4.50 (33 reviews) (~206.64 km from centre)
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