In recent years, many residents of urban high-rise buildings have replaced old, disheveled windows to new, with double-glazed windows and a hermetic entrance. The apartments are no longer walking in the apartments, but fresh air has noticeably dressed, and you have to often air the rooms. Or maybe it's better to buy a trim valve or installation?
In recent years, many residents of urban high-rise buildings have replaced old, disheveled windows to new, with double-glazed windows and a hermetic entrance. The apartments are no longer walking in the apartments, but fresh air has noticeably dressed, and you have to often air the rooms. Or maybe it's better to buy a trim valve or installation?
Full-fledged supply-exhaust ventilation systems with heat recovery We have still rare. The overwhelming majority of buildings, including new series, are equipped only with exhaust ventilation. The influx of fresh air has to be organized independently, focusing on the set of rules of the SP 54.13330.2011 "Buildings of residential complexities": at least 30m / h per person.
Photo: Statvent. | 
Photo: Legion-Media | 
Photo: Aereco. | 
Photo: Aereco. |
Photo: Aereco. | 
Photo: Aereco. | 
Photo: Sigenia-Aubi |
The trim valve (1, 2) is an easy and inexpensive device. From the side of the street, it is equipped with a grid of insects (3) and a lamella lattice from rain (4), and the internal unit (5, 6) ensures air filtration from dust and adjusting the performance of the device.
The wall ventilator fan consumes 50-150W / h depending on the mode, it works constantly, but almost silently (7).
Obvious advantage
With a volleam ventilation (when all the windows open the manifestation of 5-15 minutes), do not avoid sudden temperature drops, and the exhaust can not be removed in a short time a large amount of exhaust air. The slotted opening of the sash with the help of special accessories provokes a noticeable draft, and also contributes to the penetration into the street noise and dust.
Supply valves, window or walls will provide a much higher level of comfort. They are equipped with filters and noise absorbers, have sufficient bandwidth (up to 80m / h) and rarely cause colds: the window devices are installed in the upper part of the frame, and the cold jet is directed into the ceiling. Wall valves are usually assembled by the battery or directly above it, so that the street air is mixed up to the ascending flow, the heated radiator (however, some models are designed to be installed at a height of more than 2m). Mount it is more difficult than window, as it is necessary to do in concrete or brickwork hole with a diameter of at least 100mm, but they are passing into the room less noise. More complex wall devices - wall-mounted ventilators - provide filtering and heating of the incoming air, but require connecting to the electrical outlet and are many times more expensive than the valves.
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First of all, with the help of a metal detector, revealed the armature belts in the wall laying (8). Further, the installation site of the indoor unit (9) and the special crown was outlined a hole (10). Using a brown with a diamond tip, Plob-lily wall through (11). Removed dust from the hole and the air duct (12, 13) was laid; In order to avoid the supercooling of the wall and the formation of condensate, it was insulated with polyethylene sleeves. Installed internal block with filter (14-16)
Photo: Vladimir Grigoriev / Burda Media
Air suppliers
Wall valves and annotations are presented on the market of products of Aereco, Aeropac, Helios Idr.
The simplest wall trimming valve In the basic configuration consists of a passage pipe with a diameter of 50-60mm and an inner unit with a filter from dust and controlled damper. It is cheap - from 3 thousand rubles. (Main costs are associated with installation and will amount to at least 5 thousand rubles). If the house is located next to the lively highway, the design must be retained with an outdoor acoustic visor (from 800 rubles). According to the test results, the valve reduces the soundproofing ability of the fence for only 4-6db, which in practice is imperceptible. The bandwidth of the budget "sample" usually varies from 15 to 40m3 / h.
Valve with a hygroregulated sensor , for example, ET 780 (Aereco) will allow you to do without manual instrument setting: the damper will be automatically opened when the humidity is increased in the room. The cost of the device is from 3500 rubles.
Installations with fine air purification filter (ventilators), For example, SN AEROPAC (Siegenia-Aubi), will not let pollen plants in the house, as well as the urban could. However, all such devices are equipped with a fan running from the network, which runs the air through a thick layer of fibrous material. But the performance of the installation reaches 170m / h, and its filter is enough to wash 1-2 times a year. Valves of this type are 14-20 thousand rubles.
Devices with electrical heating system , for example, "Selenga" (VentMashine) can be installed on the floor aside from the battery. It will cost a minimum of 35 thousand rubles. And on the dimensions are comparable to an outdoor fan heater.
Continuing and exhaust plants with heat recovery - These are the most complex and expensive compact ventilation devices. Extremely of them, for example, UZHC-50 ("Electrician-Service"), a cyclic principle was used: a reversible fan that pumps the air from the room, then injected it inside. The most advanced models, say VL 100 (Mitsubishi), the influx and exhaust is carried out synchronously through a two-axis coaxial pipe with a diameter of 60-100mm, and for heat recovery, a plate aluminum heat exchanger is involved in the internal block. The cost of such devices is from 24 thousand rubles.
The wall ventilation device can be installed at any stage of repair and even in a rolled room (the industrial vacuum cleaner will help to protect the finish and furniture from dust). If the internal block is mounted under the window, it makes sense to close the heating pipes and the radiator plywood shields so that in the process of work does not damage them. If you want the internal valve block to be visible, it is better to install it behind the radiator, which will have to dismantle.