What is demand-controlled ventilation?
Besides creating a healthy indoor climate, would you also like to save energy without any effort? In that case, you could opt for demand-controlled ventilation. Without having to look after the system, there will always be clean and healthy air in the residence. This system can easily be applied to some MVHR systems and MEV systems.
The insulation and airtightness of homes has improved enormously over the years. This means that less and less natural ventilation takes place along gaps. Modern demand-controlled ventilation is no longer based on a home's cubic capacity, but on air quality. In addition, in the past, ventilation was mostly limited to the kitchen and bathroom and/or toilet. So ventilation is taking on an increasingly important role to keep the indoor climate healthy. Poorly ventilated homes are more likely to suffer from mould, moisture problems, dust mites, allergies and other health problems.
With demand-controlled ventilation, air exchange is controlled based on air quality measured by sensors. These sensors measure CO2 and/or humidity levels in a room. When the air quality is good, the system does not need to ventilate much. The air quality may become less because there are many people in the living room, for example. In this case, the HRS system will ventilate more.
Demand-controlled ventilation in different zones
Ventilation with DuoZone means that the system supplies more air by means of control valves. The ventilation system can be divided into a day zone and a night zone, as it were. When a high CO2 level is measured in the living room because people are present, the system will ventilate more. What makes DuoZone different from standard demand-controlled ventilation in this respect is that (in this example) more fresh air is supplied in the living room, but not in the bedroom. There, the ventilation system continues to ventilate minimally. Also, the system will not immediately increase ventilation, but more air is supplied to the living room via the control valves.
If the air quality still does not improve, only then will the quantity of ventilation air be gradually increased. In this way, initially no more air needs to be ventilated, but first the available ventilation air is directed to where the ventilation air is needed. When nobody is present in the rooms, less ventilation is provided and when people are present in both rooms, extra ventilation is provided in both rooms. As a result, each room receives enough fresh air, but never too much. A lower ventilation rate means lower energy consumption and a lower noise level.
View the DuoZone demand-controlled ventilation systems from Orcon, Itho and Brink here. You can also choose a QuattroZone ventilation. Quattro what? With QuattroZone, not only is the supply divided into two zones, but also the extract. Read more about it here.
The benefits of demand-controlled ventilation at a glance
- A healthy living environment
- Flexible system
- Fully automatic system
- Low-maintenance
- Easy to install
- Simple operation
- Energy-saving and thus cost-saving
Good to know
- The ventilation system does not get disrupted when you ventilate naturally: open a window or door.
- The ventilation system needs adjustment and maintenance every 2 years.
- The ventilation system does not react to (unwanted) odours; you will have to do this manually.
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