Ventilation in every building is extremely important, ensuring comfort and hygiene. In this context, ventilation grilles are of great importance, responsible for safety and proper air flow. We will look at these issues in the following article, answering the question, when are ventilation grilles a necessity?

Check out the ventilation grilles at the Onninen wholesaler
When is a ventilation grille necessary?
A ventilation grille is a mandatory element in almost every place, regardless of whether we are talking about residential or commercial buildings. Its most important task is to ensure air flow between the interior and the surroundings. This is especially necessary in rooms such as the bathroom, because bathroom ventilation grilles are necessary to remove moisture and unpleasant odours. This prevents the formation of mould and fungi. They are not only unsightly, but also harmful to human health. A similar role is played by a ventilation grille in the kitchen, where a lot of water vapour is produced. It is effectively removed from this room, as well as various odours. But its role is equally crucial in other places, for example in basements, where not only moisture but also other dangerous substances, such as gas, can accumulate. Thanks to the grilles, you can maintain an appropriate air flow here, maintaining a healthy environment. Ventilation is also mandatory in various types of technical rooms.
What is the difference between a diffuser and a ventilation grille?
Another important issue is the distinction between a diffuser and a ventilation grille. Many people confuse these two concepts, but despite their apparent similarities, they work slightly differently. An external ventilation grille is used in most places, especially where gravity ventilation is used. Therefore, it provides air movement in both directions, quite differently than a diffuser, which allows movement only in a selected direction. It can be supply or exhaust. And although a diffuser is also used in ventilation, it is designed for heat recovery, i.e. a more advanced method of air exchange in a building.
How should a ventilation grille be mounted?
In order for the air flow to be correct, we must ensure that the closed ventilation grille is properly installed. For this reason, we must remember a few conditions. One of them concerns the location, which means that we must choose the right place where air access is needed. We must also make sure that it does not interfere with other installations, such as electrical cables. An extremely important parameter is the right size. So let's choose a size that will ensure sufficient air flow. For example, an auto-active ventilation grille cannot be too small (poor efficiency) or too large (too serious heat losses). In addition, let's remember about protection, if necessary, so that insects, for example, do not pass through the grille. Let's also remember to regularly maintain it, i.e. clean it, removing dirt that accumulates there.
Ventilation grilles at the Onninen wholesaler
The Onninen installation wholesaler has many types of grilles available. It is worth visiting them and choosing the right model.
We recommend the Awenta 11X27 TUS ventilation grille . Solidly made of high-quality plastics, safe for the user, certified by the National Institute of Hygiene. The grille is equipped with a mesh that prevents insects from entering the interior.
A good solution is also the Depro ventilation grille with mat GV400/500 . Made of good plastic, from the GV series, so it is characterized by a shallow profile and quick assembly. Compatible with LV series fans.
The black ventilation grille also looks interesting, especially in some rooms decorated in an original style. When looking for such a model, it is worth checking out the Vilpe multifunctional ventilation grille 240x240 . It fits various types of rooms. The product can also be used as an intake or exhaust in a mechanical ventilation system. A mounting plate for Ø 125, 160 or 240 mm pipes is required. The package contents include, apart from the ventilation grille, the necessary 6 mm expansion bolts and screws.