Oel-Waerme-Institut is the facility in Herzogenrath, Germany.
According to PR-model, owi-aachen.de is ranked 2,777,490th in multilingual Wikipedia, in particular this website is ranked 399,757th in German Wikipedia.
The website is placed before ibz-info.de and after dachsheizung.de in the BestRef global ranking of the most important sources of Wikipedia.
