“This company is useless. It's impossible for a company to make as many mistakes as this one. Connections were screwed on incorrectly in several places, causing significant damage (water damage, mold, and much more). But they themselves never found the error. Of course, then you can always come back and rip people off. But NO ONE feels responsible. Other Luxembourgish companies just laugh when you tell them who is responsible. I will now take legal action against this company with a lawyer. Be careful who you choose for your heating or water...”