Hello, Got a…read moreproblem with this provider. His installation was flagged as dangerous more than 2 yrs after installation. I contacted him, he refused to take care of the repair. I ordered a repair with another provider, and contacted him again to be reimbursed, he agreed to pay for half (!!!). I am still waiting after months. N.

From the owner: Heizung Sanitär…read moreLüftung