The installation was quick. Unfortunately, the specialist could not provide solution for the situation in my house. He suggested to call the producing company by myself in order to ask them what they have as a solution for the ventilation engine he installed.
Sterke punten
It was quick.
Verbeterpunten of tips
The ventilation had broken just in a couple weeks after the installation. And you still didn't solve it. You even stopped answer me. I'm going to sue.