Mildew is one of the most undesirable phenomena in the house. It forms as a result of improper ventilation. The most common way of ventilation is airing by opening windows. However, this results, especially in winter, in a dramatic heat loss from the room, which is a negative phenomenon. However, there is a remedy. One of the ways to prevent these uncontrolled energy losses is to use air vents within the windows dispensing fresh air in a manner appropriate to the needs of adequate ventilation.
Installation of air vents is supposed to, among the other things,: