BUVA is the specialist in the Netherlands in the field of domestic ventilation. With the purchase of the BUVA Q-Stream 2.0 can optimizes healthy and comfortable living environment in your home. With your smartphone or tablet, you can control the ventilation system and adjust to your needs. You can also automatically operate the system. In this work, the Q-Stream 2.0 at sensors and completely autonomous. When the system (Q-Stream 2.0, in combination with the Smart Zone) measures a too high CO2 le