ikkunaventtiileissä
Ikkunaventtiilit, commonly referred to as ikkunaventtiileissä, are ventilation devices installed in windows or window frames. Their primary purpose is to allow for controlled fresh air intake into a building while minimizing heat loss and preventing drafts. These vents typically consist of a housing that is fitted into the window structure and an adjustable opening that can be opened or closed to regulate airflow.
The design of ikkunaventtiileissä varies. Some are simple manual vents that can be operated by hand, while