In rooms where ventilation through walls cannot be arranged, household window fans are often used. These devices are necessary to remove the exhaust air from the room, although they can also pump fresh air from the street. This makes window fans a universal tool for any room. They are able to refresh the air in your home.
The window
exhaust fan got its name because of the possibility of its installation in the window opening. Installation is made after equipping the window with a hole of a given shape and a certain size. At the same time, the installed fan can let air through only in working condition. When the device is turned off, the inlet is blocked by various special devices (shutters,
check valves, grilles, etc.).
Window Fan: Application
Window fans are used in rooms for forcing or removing air from the street. In other words, when installing a fan, the use of a ventilation duct is excluded. In this case, a hole in the wall or window opening serves as a channel. The thickness of the septum can be clearly regulated.
A feature of the use of exhaust window fans is the need to create openings of a certain size and shape. Basically, this hole is round, with a diameter corresponding to the size of the channel.
The fan is fastened with the help of special screws or screws thanks to various special elements that tighten the reciprocal structural elements.
Window fan: types
• Centrifugal.
• Axial.
Window axial fans are considered the most common type, providing for the movement of air along the axis of the entire electric motor. They are supplied with many different protective elements and can perform the functions of discharge and exhaust.
Centrifugal models are high performance fans. Their disadvantage is a protruding compulsory building located indoors.
Window fan: forms and application in the interior
There are several options for their execution. Each of them corresponds to the shape of the hole made for them. The most common shape is round, requiring holes in the glass of the window, wall and other partitions. The popularity of this form is due to the ease of making such recesses in the glass.
A special type of fans that allow the presence of holes of various shapes are considered window models with screed and fixation. A similar type of these devices makes it possible to use holes that do not extend beyond the front of the body or housing.
Window Fan: Optional Devices
The fan is ready-to-use equipment, although various optional devices that provide different functionality can be applied to it.
As additional devices can be used:
• gravity or automatic blinds;
• non-return valve at the outlet of the fan (for exhaust models);
• protective grilles located at the outlet and inlet;
• automation devices and electronic control of the operation modes of each model;
• decorative elements.