The device of forced ventilation. Roof fans

It is often possible to face the problem of insufficient ventilation of the room. And it can be either industrial or public, or residential buildings. If the level of natural ventilation is unsatisfactory , the problem is solved by means of a forced ventilation device. There are several options for implementing such a system, although the technical tool is essentially a fan. You can install it on the wall of the building, in the window opening, but the best option is roof fans on the roof.

Their advantage lies in the saving of space, the length of the air ducts, as well as in maintaining the aesthetic appearance of the facade (unlike those installed on walls and in window openings).

In turn, because of this placement, roof fans require additional protection from external influences. They are necessarily equipped with a protective hood and a mesh. The cap protects against precipitation, and the grid - from the wind.

The roof fan of SRS is divided according to the method of installation into a channel, channelless and universal. The ducts are attached to the outlet of the ventilation duct or pipeline. Channelless are designed for single-level roofs. Universal can be installed both there and there.

Forced systems are widely used for ventilation devices in large industrial and production facilities. Specialized roof fans are able to organize exhaust of exhaust gases, smoke, high temperature air, etc. If necessary, the fans are made of corrosion-resistant materials or explosion-proof. For such purposes, as a rule, radial fans are used. For the usual environment - diagonal.

Without compulsory ventilation, now there is not a single sports, entertainment complex or shopping center. To ensure the ventilation of such premises, powerful roof fans are required, operating in a constant mode or in an automatic mode.

In the conditions of a private house or apartment, fans can be switched on manually or also use automatic mode (with the system responding to air temperature). In residential buildings, forced ventilation is most often arranged in kitchens, in bathrooms, in chimneys that provide the work of a fireplace or a boiler. Especially relevant, such a system became due to the spread of hermetic windows and wall structures that violate natural ventilation. But you need to remember that when installing roof fans on ventilation ducts, overall the ventilation system deteriorates (when the state is off).

Manufacture of fans installed on the roof is established both in Russia and CIS countries, and abroad. Systemair roof fans of Swedish production are very reliable and technological. They are equipped with a self-cleaning system and additional sound insulation. The motors are mounted on them with an external rotor. In the line presented in the market, there are roof fans designed especially for fireplaces, for public areas of large area, industrial, heat-resistant and others.