Exhaust fan

In rooms where it is not possible to organize ventilation through walls, window fans are often used. These devices are necessary to remove exhaust air from the room, although they can also pumping fresh air from the street. This makes window fans a universal tool for any room. They can refresh the air in your home.

The fan of the exhaust window got its name because of the possibility of its installation in the opening of the window. Installation is performed after the window is equipped with a hole of the specified shape and a certain size. Installed fan while air can pass only in working order. When the appliance is switched off, the inlet is blocked by various special devices (blinds, check valves, grills, etc.).

Window fan: application

Window fans are used in rooms for injecting or removing air from the street. In other words, when installing a fan, the use of a ventilation duct is excluded. In this case serves as a channel hole in the wall or window opening. The thickness of the partition can be clearly regulated.

A feature of the use of exhaust window fans is the need to create holes of a certain size and shape. Basically this hole is round, with a diameter corresponding to the size of the channel.

Fastening of the fan occurs with the help of special screws or screws thanks to various special elements, which tighten the reciprocating elements of the structure.

Window fan: types

• Centrifugal.

• Axial.

Windowed 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 a variety of different protective elements and can perform the functions of pumping and drawing.

Centrifugal models are fans with high efficiency. They have the disadvantage of a protruding compulsory enclosure located inside the room.

Window fan: forms and application in the interior

There are several options for their implementation. Each of them corresponds to the shape of the hole that is made for them. The most common form is a round, requiring a hole in the glass window, wall and other partitions. The popularity of this form is due to the ease of performing such depressions in the glass.

A special kind of fans that allow the presence of holes of various shapes are considered window models with screed and fixation. A similar kind of these devices makes it possible to use openings that do not go beyond the face or body.

Window fan: optional devices

The fan is ready-to-use equipment, although various additional devices can be used to it, which will provide different functionality.

As additional devices can be used:

• gravity or automatic shutters;

• check valve at the fan outlet (for exhaust models);

• protective gratings located at the outlet and inlet openings;

• devices for automation and electronic control of the operating modes of each model;

• decorative elements.