To guarantee good room quality and a healthy indoor climate in buildings, the installation of a modern ventilation system is recommended. This is because regular air supply and adequate air exchange are particularly important in well-insulated new buildings. Mechanical ventilation offers a good alternative to shock ventilation. The blower door test can be used to examine how airtight a building is.
Mechanical ventilation is characterized by a modern ventilation system, which specifically controls the air flow and ventilates the premises with the necessary amount of fresh air. Depending on the room conditions and the number of people in the room, fresh air is added as needed based on the air exchange rate and the "stale air" polluted by odors, moisture or CO2 is replaced.
Modern ventilation systems are energy-saving and can be controlled centrally or decentrally. While a central ventilation system supplies several rooms with fresh air via a duct network using one or more fans, a decentralized ventilation system only ventilates individual rooms. The advantage of a decentralized ventilation system is that it can be designed variably and can be used in different room sizes due to its grid arrangement. In addition, it can also be combined with other exhaust air systems and a heat recovery system. A central ventilation system, on the other hand, not only requires a lot of space due to its size, but also compliance with fire and sound insulation guidelines.
Source: BauNetz
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