Self-regulating – We find this technology in both the air inlets and the extract vents. It works using a mechanical regulating system (shutter or terphane blade) that adjusts the cross-section of the air passage of the air inlets or vents according to the depression to ensure a constant flow of air.The air in the accommodation is thus constantly renewed, thereby eliminating the humidity from each room to guarantee good air quality.
Humidity-controlled – The humidity-control technology is now present in more than 90% of the new homes equipped with single-flow ventilation systems.The air inlets and the humidity-controlled extract vents react according to the relative humidity* of the accommodation. A nylon braid picks up the humidity conditions in the room and activates a flap which allows more or less air to flow to the vent or air inlet.In order to adjust the need for ventilation, the humidity-controlled components will open gradually depending on the humidity level in the room. The air inlets will begin to open for a humidity close to 45% to reach their maximum opening at a level close to 60%. The extract vents will behave in the same way, opening gradually when the relative humidity of the room is around 30% up to a relative humidity of 70%.
*The relative humidity of the air is a measure of the quantity of water vapor contained in the air compared to the maximum quantity that this air can contain before becoming saturated and condensing.
The level of humidity recorded in an accommodation unit reflects the level of activity and the human presence in the latter. Human activity (preparing meals, taking a shower or a bath, drying clothes, etc.) or metabolism (sweating and breathing) is constantly producing water vapor.
The optimum humidity level in a home should be between 40 and 60%. Too much humidity is not satisfactory for the durability of your home and for your health. Indeed, too much humidity promotes the development of potentially pathogenic organisms such as dust mites or molds. In addition, too much humidity increases the feeling of cold and leads to overheating the accommodation, considerably increasing energy consumption.
Conversely, when the humidity level (RH< 40%) is too low, this is not satisfactory either. Indeed, insufficient humidity can lead to irritation of the nose, throat and even respiratory complications.
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