Good ventilation is important, especially in a well-insulated home!
Ventilation, what is that?
Providing an indoor space such as a house, school or office with fresh outdoor air is considered ventilation. The polluted indoor air is replaced by fresh air from outside which contributes to an optimal indoor climate. When a space is not sufficiently supplied with fresh air it can have adverse health effects.
Why do I need to ventilate my home?
The air in a room is quickly polluted, for example, by cooking or cleaning that releases harmful substances, but also by materials in the home (textiles and furniture) that create dust particles in the air. With proper ventilation, these dust particles in the dirty indoor air are removed and fresh air replaces them.
When the CO2 level, humidity and temperature inside do not meet the set standards, an unhealthy indoor environment is created. When there is insufficient ventilation, complaints can arise such as headaches, tightness of the chest, dizziness, feeling drowsy, dry throat, nose and eyes. Being able to function well therefore starts with a healthy indoor climate, in which good ventilation is crucial!
With ventilation, you can save a lot on your energy costs! Well-insulated homes usually use a heat recovery system (WTW), where heat is recovered during ventilation. Since the outside air is heated by the WTW unit, it takes less energy to heat the home. In addition, fresh dry air is heated faster than humid air, therefore any properly ventilated home uses less energy.
Older homes are often ventilated naturally by such means as grilles, seams and cracks. As homes are increasingly better insulated, this natural form of ventilation is disappearing. So extra attention is needed for ventilation in a well-insulated house.
Insulating, what is that?
Why insulate my home?
How do I ventilate my home?
The two most common mechanical ventilation are:
- Ventilation system C. With a ventilation system C, polluted indoor air is removed, while clean air enters the house through various grilles and gaps, creating a fresh air flow.
- Ventilation System D. A ventilation system D does not require grilles or gaps, but instead exhausts polluted air and supplies fresh air through one ventilation system. This heat recovery unit (WTW) ensures that the heat blown out with the polluted air is returned to the clean air coming in. As a result, there is minimal heat loss, which is ideal for a well-insulated home! There are also decentralized WTWs that are suitable for a single room, ideal for a renovation.
For questions and tailored advice, please contact one of our ventilation specialists.
How do I insulate my home?
Insulating a home can be done in several ways, as there are many insulation materials to choose from and almost every part of a home can be insulated. Commonly used materials are rock wool, glass wool, EPS and PIR. Several questions affect the insulation measures and materials that will be chosen. For example, do you want to insulate the floor of your home or would you rather insulate the roof? What Rd-value do you want to achieve? Does sound insulation play an important role? Your wishes and budget determine exactly what the insulation job will look like.
For questions and advice on insulation, you can always contact one of our ventilation specialists.
Ventilating adequately will help you get the most out of good insulation!
Ventilation and insulation may seem like opposite concepts, yet it is important to have adequate ventilation in insulated homes. Homes today are increasingly well insulated. The insulation is installed airtight to get maximum efficiency from the insulation. This decreases natural ventilation through cracks and seams. Therefore, since the 1980s, most homes have had a mechanical ventilation system.
Homes built before this time are not "airtight" as they often still have gaps and seams. By post-insulating these homes, they are still made airtight. This turns them into tupperware containers, so to speak, preventing moisture from leaving the home. As a result, excessive humidity develops, which has adverse health effects. Fresh air also can no longer enter these homes. It is important to consider ventilation when insulating.
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