According to CTE DB HS3
Operating Principle
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The Controlled Mechanical Ventilation (VMC) system of simple flow is applicable to collective and individual habitat, being its permanent operation, ensuring the Quality of the Indoor Air through the principle of sweeping the air within the house. The new air penetrates inside the house through the higrorregulable air inlets located above the windows of the bedrooms and living rooms.
The foul air is extracted in the kitchen, bathrooms and toilets through the hygrorregularable mouths that open according to environmental humidity, or by timed mouths.
The mouths are connected to the group by isolated ducts. |

Advantages
Thermal comfort
Eliminating uncontrolled air circulation discomfort
Reducing duct occupation
Assuming larger area m3
Use of energy-efficient ventilation groups
It carries energy savings from the system as a whole
Acoustic comfort guaranteed
Well-balanced system set