In most cases, renovation of Soviet-style "begins with the installation of windows and good ventilation zadraivaniya all vents (Nechay neighbor cockroaches running around on our bread!"). It's funny, but few people realize that Porush existing ventilation system, you can go without clean air. Knowledgeable people act differently. Even if the ventilation system does not pull, it does not break. Why, because the situation can be easily corrected with an inexpensive supply and exhaust fans that can significantly increase the efficiency of existing systems. The fact is, most residential and office buildings is provided with natural ventilation air currents. If it is not cleaned, the garbage accumulated in the duct begins to interfere with the normal circulation flow and the system stops working. If the air is to drive through the fan, it is enough even remaining in the duct lumen. In order to understand how cluttered the ventilation system in your home and what fans want, it is enough to bring a candle outlet in the kitchen, closet or bathroom. If the flame is deflected in the direction of the lattice, hence, the thrust is and can do simple fan. If the candle does not react to the proximity of air vent required "centrifugal" fan, which creates a higher pressure. The cost of such a device is 2-3 times higher, but if the duct thoroughly hammered by all sorts of rubbish, the standard "axial" fan just does not help. In every apartment has at least three places where the presence of the fan will not be superfluous. This - toilet, bathroom and kitchen. FANS FOR TOILET If the ventilation system is not entirely dead in the bathroom will be easy enough exhaust fan. His pick up rate of 30 cubic meters. m / hour per "seat" and assign directly to where now adorns the air grille. And in order that the fan is not humming constantly, and is included only in the case, it is connected to light switches. Some fans are switched through the lace, but even better if this device is equipped with a timer. Then he started to work in a couple of minutes after you leave their homes. After working as a deadline (usually enough for 5-15 minutes), the fan turns off and will wait patiently for the next time. Price of a standard fan for the toilet is in the range of $ 20-40 for the device with a strap would have to lay $ 5-10 more, and finally, the presence of the timer increases the price by $ 15-25. And if the toilet has a common duct to the bathroom or kitchen, will not damage the check valve ($ 10), which prevents odors from a room to fall into the room. FAN FOR THE BATHROOM The bathroom is best to set the fan in the splash-proof design - and short-circuit does not happen, and the water in the duct will not fall. It is worth such a pleasure to $ 35-50, but if you do not feel sorry for another $ 30-35, set in a bathroom fan with a humidity controller. As soon as it exceeds a certain value, the fan will remove the moisture saturated air. And breathe easier, and no mirror zapoteet, and even the laundry in a tub dries much faster. FANS FOR KITCHENS The kitchen needs in the air above, and therefore require a more powerful fan than a bathroom or closet. His performance can be selected by multiplying the cubic content of food by 10 and subtracting the volume occupied by furniture. That is for 6-meter dishes need to fan the issuing of 120-180 cubic meters per hour, and for 10 m - 220-300 cubic meters per hour. And unlike the bathroom and toilet in the kitchen can be organized not only the hood, but the inflow, which uses fans plug directly into the window. Standard window fan costs $ 50-55, but the presence of additional amenities: lace, humidity controller, a presence detector, the timer can increase the price to $ 150-200. FANS FOR DWELLINGS Sometimes ventilate and living rooms, the only difference from the kitchen when selecting the fan room space is not multiplied by 10 and 3. Sometimes do in other ways, buying a unit rate of 30 cubic meters. m per hour for each living soul. Find similar technique today is not the problem - it is sold in specialized firms, construction trade shows and even in shops. However, if you have dissociated ourselves from the streets of modern double-glazed windows and locked in a bulletproof door, then the conventional exhaust fans can not do. Since the air in your house almost does not penetrate, it is necessary to create a more complex ventilation system, such as those used for air supply in office buildings. FANS in a modern apartment is currently the most widely used variant of using modular ventilation system, built on the principle designer. In addition to a variety of fan is composed of mufflers (to the room was quiet) and heaters (in winter not to give cold air). But other than that the air must be cleaned using special filters and evenly disperse around the room through the vents. In addition to this there are plenty of all sorts of accessories: backward and fire dampers, intake grilles, etc. All these nodes are collected into a single system with flexible or rigid ductwork and placed in a suspended ceiling. This option is good that the ventilation system does not take place in the room. In addition, the various nodes can be removed from each other at a decent distance. And since all elements of modular ventilation systems are standardized, you can easily combine products from different manufacturers. The cost of the finished system, depending on the number and the area ventilated rooms can range from $ 600-700, up to tens of thousands. Pleasure is not cheap, but for the whole year no problems with fresh air. There is another option - buy a ready supply and exhaust setup. It's a bit more expensive but more practical. The device, designed for flat, usually has a size of no more than a suitcase, so it can fit on the mezzanine or the built-in closet. Sometimes, for it will organize a local decrease in false ceilings, for example, in the hallway or closet. Then in the other rooms ceiling will eat a minimum storage capacity - if only duct passed. If desired, you can do without any false ceilings, hidden in the duct runs along the walls of the decorative box. A small "pritochka", designed for a single room can cost $ 700-1500, and the installation, giving the oxygen of an entire apartment or office, will draw on the $ 6000-10000 and more.
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