How to clean the ventilation duct in the apartment. The device of the general house ventilation system. Who should clean the ventilation ducts in multi-storey buildings

Tsugunov Anton Valerievich

Reading time: 4 minutes

Residents of apartments rarely remember about normally working ventilation. But if the windows begin to fog up in the rooms, the smell of dishes being cooked in the kitchen spreads freely throughout the apartment, water constantly appears on the walls in the bathroom, the air is stuffy and stuffy, then the ventilation system has stopped working normally. In order not to risk the health of the people living in the apartment, the condition of the furniture and other interior items, it is better to eliminate the causes of these problems as quickly as possible. This may require cleaning.

Checking the operation of the ventilation system

Before proceeding to action, you should check how the ventilation in the house works. Doing it yourself is not at all difficult.

On the forums, it is advised to check with the flame of a burning match or lighter. With a normally operating hood, the flame should deviate towards the ventilation grille. Many people remember similar pictures from Soviet times, calling to check the draft in the gas column and the hood in the kitchen.

Representatives of utilities, especially gas workers, strongly oppose the method of checking the operation of ventilation in an apartment with a lighter. AT residential buildings with main gas pipelines, gas leaks are quite possible, which should just be pulled into a common ventilation pipe. In this case, it is possible to provoke an explosion of a combustible mixture, which will lead to the most unfortunate consequences. Therefore, it is recommended to do the check in a safer way.

Similarly, you need to do with all the ventilation grilles to get the full picture. In most apartments, they must be in the kitchen, bathroom or bathroom.

Causes of clogged ventilation

The most common problem leading to malfunctions in the ventilation system is clogging of the channels that conduct air. Most often this happens due to the long-term accumulation of fat, soot and dust inside them, because most of the residents apartment buildings are limited to wiping the outer part of the gratings.

In old houses, the brickwork of the air ducts collapses under the influence of time and water getting inside, seeping from above or evaporating from the bathroom, and brick fragments can fill up the ventilation shaft, interfering with air exchange. It is not uncommon for unscrupulous tenants, wanting to improve their apartment and expand their living space, destroy the ledge in which the ventilation shaft passes, blocking the access of air to the apartments of the rest of the inhabitants of the house. Uninvited tenants also contribute to blockages in ventilation: birds or wasps.

Residents of multi-apartment residential buildings should remember that representatives of special services should be involved in cleaning the main air duct. So if the ventilation does not work due to clogging, you should contact management company that serves the house. The maximum that tenants can do on their own is to clean ventilation ducts leading from the apartment to a common duct pipe.

How to clean ventilation

After checking each hood in the kitchen, bathroom and rooms, it will become clear which channels are clogged. If ventilation does not work in all rooms, most likely the problem is in the common channel and nothing can be done on your own, if only in one - there is a local blockage that can be eliminated. For this you need:

Take off decorative grille and clean it from accumulated deposits. In this case, it is quite possible to use neutral detergents.
Carefully remove dust, dirt and soot from the walls of the ventilation duct with a scraper, and then pull it out with a vacuum cleaner.

When cleaning, do not use aggressive chemicals that can corrode and damage the walls of the shaft. It is unacceptable for debris from the ventilation duct leading from the apartment to enter the common duct. When cleaning, care must be taken: sometimes nests of wasps or hornets are found in the ventilation.

Ways to improve ventilation in the apartment

What to do if cleaning the ventilation did not help? It is possible that the air circulation inside the apartment itself is disturbed. Having dealt with the causes of this violation, it is possible to improve the ventilation of the air in the living room.

Violation of air circulation between separate rooms

The first step is to repeat the test with a strip of paper, but at the same time open all interior doors. If the paper is attracted under such conditions, then the air circulation between separate rooms apartments. To improve it, it is recommended that when installing doors, make a gap between their lower edge and the floor of several centimeters.

If the doors are already installed or you don’t want to make such a gap, for example, in a bathroom or a bathroom, then you can drill a series of holes in the door, tilting inward. Subsequently, they should be decorated with a fine mesh. This design will provide ventilation with tight closed doors and will not violate the privacy of people in the bathroom or bathroom.

Airtight double-glazed windows

Another reason for the violation of ventilation can be the installation of plastic windows with double-glazed windows. In Soviet-built houses, the influx of fresh air from the outside was implied through small cracks and gaps in wooden window frames. Qualitatively installed plastic windows in a fully closed state exclude such replenishment. As a result, the ventilation in the apartment is also disturbed. Therefore, if you are thinking about installing double-glazed windows, then preference should be given to models with a micro-ventilation system.

Already installed double-glazed windows, devoid of such functional features, are easy to modify on their own. There are inexpensive ventilation valves installed on the window frame and sash.

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Ventilation clean rooms invisible to people inside the building. Few people think about the operation of the air exchange system while everything is functioning properly. Therefore, ventilation cleaning begins only when the living space is filled with dampness, mold, unpleasant odors, and the windows are covered with "dew".

A person's well-being directly depends on the surrounding space as a whole, and access to clean air in particular. The body almost instantly reacts to oxygen deficiency in the room: performance decreases, chronic ailments worsen, high fatigue is observed. This is due to clogged filters and, as a result, a violation of air exchange. Therefore, it is necessary to clean the ventilation

Historical retrospective

Until the end of the 18th century, air ventilation was reduced to the banal ventilation of rooms, premises or halls. All that was required was to open a door or windows. And it didn't need ventilation. At a certain stage in the development of society, this state of affairs suited everyone. The owners of the houses turned a blind eye to the dirt and dust that freely entered the houses.

The first wells for air exchange between the interior and external environment appeared only at the end of the 18th century, at the same time they began to use primitive equipment for cleaning ventilation. Thanks to the new architectural solution, the quality of life of the then population improved significantly.

Cleaning chimneys was well paid, and chimney sweeps were respected in society.

The emergence of something new is inevitably accompanied by the emergence of accompanying problems. This rule turned out to be valid for the system under consideration as well. A new task arose - cleaning the ventilation. Brick air exchange wells were laid out in the usual way, by analogy with stove chimney, and therefore, after several months of active exploitation, the hole “overgrown” with sedimentary rocks from cobwebs, dust, soot and insects.

Chimney sweeps used metal "hedgehogs" to remove soot

The development of technology and an increase in the standard of living of the population contributed to the formation of a new profession for that time - a chimney sweep. The frequency of cleaning was high due to the prevalence furnace heating and fireplaces, and therefore the occupation turned out to be very profitable, albeit dusty.

How to determine when to clean the ventilation system

ventilation in apartment building it is preferable to organize by installing forced type. But in domestic realities it is the prerogative of comfort and premium housing. The lion's share of old-built houses is equipped with conventional air ducts with a common riser channel. We are talking about the cheapest and easiest connection scheme, but you still need to clean the ventilation ducts, and regularly.

A natural question arises - when to engage in "cleaning" work, by what criteria to determine that the hour "X" has struck?

Before cleaning the air ducts, it is important to determine the degree of contamination

A few signs indicating that it is better to hurry up with cleaning the ventilation in an apartment building:

in summer season rooms turn into a "thermos"; it is not possible to normalize the humidity regime even with regular cleaning;
dust is actively appearing in the living room;
the surface of the filters, as well as the grate of the exhaust system, is covered with a layer of viscous soot (typical for kitchens);
double-glazed windows constantly “cry”, condensation is noticeable on them;
dampness is felt in all rooms, mold and fungus are present on the walls.

Signs of pollution ventilation system

For all of the above, often the only reason is a clogged duct. It is important that ventilation ducts are cleaned at least once every 2 quarters. It is better to delegate the relevant work to specialists, this problem cannot be solved by yourself. The snag may be outside the apartment.

Checking the performance of ventilation ducts

Experts identify several effective ways, allowing to determine the quality of the air ducts, the degree of their pollution. The simplest and surest is to direct the flame of the lighter into the grate of the hood. Be extremely careful if inner space the mine is filled with fine dust and cobwebs, there is high danger their ignition, spread and fire.

The flame is sensitive to the presence of draft in the ventilation duct

Cleaning the ventilation in the apartment is not required if the flame goes out or goes inside the channel. If visually noticeable deviations are not noticeable, immediately contact the management company, the housing office, for help. The optimal frequency of cleaning is 1 time in 6 months, at least, preventive examinations - 1 time per month.

How do employees of special services check ventilation

Maintenance of ventilation systems is a responsible event assigned to the management company, due to its belonging to common house property. To this end, the Government of the Russian Federation has developed special resolution under number 410. In fact, these are a set of rules and regulations for the Criminal Code for cleaning ventilation in apartment buildings, preventive examinations.

The specialist can accurately determine the degree of contamination of the air duct

To carry out routine maintenance, a prerequisite is that the specialists of the company have a license of the established form. Inspection activities are carried out quarterly, in accordance with the approved plan, during repair and restoration activities, as well as when rebuilding or changing the configuration of channels, lack of traction.

In the arsenal of specialists there are professional instruments to check the functionality of the system, ventilation cleaning equipment. Channels are periodically disinfected. Pneumatic brush machines and other devices are used to remove contaminants.

Ventilation cleaning: equipment used

Cleaning ventilation ducts is a responsible event consisting of several stages. At the preliminary stage, the specialist determines the degree of contamination of the local air duct, selects best way fix the problem when it is discovered. Then a decision is made on the feasibility of a common channel (coordination of work with other residents of the house).

Equipment for cleaning ventilation systems

Ventilation cleaning is carried out with special equipment:

chemical reagents for dissolving persistent contaminants in hard-to-reach places;
electromechanical device;
vacuum devices;
devices equipped with several brush mechanisms operating on a pneumatic drive;
powerful industrial vacuum cleaners.

In emergency cases, you can clean the ventilation system ducts yourself using a flexible shaft with a brush connected to an electric drill.

Not only household processing is becoming in demand, but also industrial cleaning of ventilation and ventilation systems. For such work, highly specialized equipment is used, with the help of which the level of contamination is assessed through a video camera, after which the channel is cleaned and disinfected. During the process, experts remove all debris, even fat.

Cleaning ventilation yourself: effective ways

In accordance with current rules operation of housing, apartment owners are prohibited from interfering with the work of engineering and main systems. Cleaning of ventilation ducts is the responsibility of management companies, which can delegate them only to licensed services. But do not forget that "the salvation of the drowning is the work of the drowning themselves."

Self cleaning duct

Each owner should not only know how to clean the ventilation in the apartment, but also be able to do it. The work is simple in nature, and consists of several steps.

In all rooms where ventilation grilles are installed, they are removed. Accumulated dirt, viscous grease and dust particles are removed. I think you should not focus on how to wash them with a detergent.
The area near the hole is processed with a plastic or metal scraper.
To clean the ventilation system, it is better to use a powerful vacuum cleaner by placing the hose in the channel. It is important to "walk" over the entire inner area of the hole.
After completing the cleaning activities, the accessible area of \u200b\u200bthe duct is wiped damp cloth, the grate is put in place.

Sleeve of a powerful vacuum cleaner with a fixed brush

To deal with persistent fatty contamination, it is worth contacting a specialized company. Often, their raid-fighting arsenal consists of chemical substances that effectively eliminate residual products that cannot be eliminated by conventional means.

Means used for cleaning air ducts

For local cleaning of ventilation systems, protective grilles, channels in the house any detergent will do. Fat layer it is better to eliminate with specialized thick consistency intended for washing kitchen hoods. In this case, it is impossible to do without dismantling the air duct, but the cleaning class upon completion of the work will be much higher. Treatment of problem areas with a disinfectant (hydrogen peroxide is quite suitable) will get rid of microbes, spores, "traveling" through the system.

Detergents perfectly cope with grease and dirt in the ventilation system

To clean an extensive ventilation system, you will have to resort to chemicals and professional equipment. Appropriate solutions are indispensable even in private houses, country cottages, where the channels are located under ceiling cladding. And if it’s quite suitable for cleaning filters household chemicals, then to solve narrowly focused tasks you will have to buy professional squads which is not always beneficial.

air duct cleaning cost

Most owners who receive an exhaustive answer to the question of how to clean the ventilation in an apartment are wondering how much the corresponding services will cost if they contact a cleaning agency. Price factor depends on the region in which the company is located, the remoteness of the object, the list necessary work.

Below is the price list for the services discussed in this article:

Cleaning ventilation, air ducts will cost much less if the company is contacted not by the owner of one apartment, but by a representative from the whole house. In this case, you can count on a significant bonus. If you order regular preventive examinations, moving into the status of a regular customer, the total cost of work will be much lower.

Management companies are reluctant to contact the relevant services. It is easier for them to turn a blind eye to the existing problems and feed the residents with “breakfasts”. Laws, regulations and rules are not written for them, especially when it comes to houses of old construction.

Professional cleaning of ventilation ducts

With self-cleaning, you should be extremely careful. In pursuit of imaginary savings, it is easy to disrupt the functioning of the system. Don't save on own health and the health of your family.

The microclimate of the apartment depends on the intensity of air circulation, which is provided by natural or artificial ventilation. Most apartment buildings are equipped with a natural exhaust system. She often breaks down. There is mold and mildew in the bathrooms. The humidity in the apartment rises, the walls in the kitchen quickly darken. There are several ways to improve air exchange, but the main one is cleaning the ventilation in the apartment.

Causes of unsatisfactory operation of the air exchange system

Cleaning the ventilation in an apartment building does not always change the situation. So the first step is to identify the source of the problem. There are a number of main reasons:

Plastic double-glazed windows or new sealed doors. Ventilation of an apartment building occurs due to the difference in temperature and pressure inside and outside the premises. old wooden windows and the doors let in a lot of fresh air. Due to this, the room is ventilated.
New double-glazed windows and doors hermetically clog the room, disrupting the natural course of air exchange. The micro-ventilation system installed on the plastic windows.
Blockage of ventilation ducts. In an apartment building, the ventilation system consists of main and adjacent branches. The main channel is clogged due to the partial collapse of the masonry or the ingress of large debris.
Adjacent branches leading into the apartment reduce throughput air due to dirt and soot accumulated on the walls, an old grate or a collapsed piece of plaster.
Connecting a powerful hood. If a neighbor brought a chiseled forced exhaust into the main ventilation duct, then the balance is disturbed in other apartments, the air movement almost completely stops.
Deterioration of movement air masses summer. Associated with a small temperature difference between the residential area and the street. Installing an air conditioner or exhaust fan will help.
Design or construction errors. There are times when neither cleaning nor forced ventilation won't help. The reason is a violation of the structure of the ventilation duct.

There are several ways to independently determine the performance of the ventilation system:

Options for cleaning ventilation in the apartment

After clarifying the reasons for the poor performance of the system, we will consider how to clean the ventilation in the apartment.

According to the housing regulations, only organizations with permission to carry out such types of work have the right to serve ventilation in an apartment building. Residents are strictly prohibited from performing any actions with common building engineering networks.

On the other hand, no one places to clean their section of the ventilation ducts to the junction with a common riser. Let's consider several ways:

Disinfection measures

After cleaning the ventilation in an apartment building is completed, it can be disinfected. It is not necessary to call specialized services. Easy processing the walls of the channel with a grate of chlorine solution will kill all microbes.

It is an integral part of the ventilation system. The hood is quickly contaminated with grease, which reduces its efficiency.

Cleaning the hood in the kitchen

In short, cleaning is done in several steps:

Disassembly. The lid is removed metal grate, air filter, air duct.
Washing parts. Washable metal and galvanized parts warm water with the addition of detergent or soda. Then they are rinsed under cold running water.
Drying parts. Each part of the hood is wiped with a dry towel.
Filter replacement. The air filter is washable in a weak soapy water or replaced with a new one.
Assembly and installation of the hood in its original place.

Conclusion

Cleaning the ventilation in the apartment is possible without the involvement of third-party organizations. All necessary funds, materials, tools are sold in hardware stores. The main thing is not to rush, follow the instructions, do not come up with something new.

In any building or structure, a ventilation system must be provided, which is laid during the construction process. The ventilation system is needed to remove polluted and humid air, which is formed as a result of human exploitation of plumbing and household appliances. Also, ventilation is the main element of a favorable microclimate in the room. Your tone and well-being depend on air quality.

According to the method of moving air flows, natural and artificial ventilation are distinguished. It also happens to be supply and exhaust.

Types of ventilation

Natural ventilation provides for air circulation, which is created due to the difference in air temperatures in the street and in the apartment, and atmospheric pressure. These are the cheapest ventilation systems, so almost all old houses are equipped with them. But the system is not widely popular, as it is completely dependent on weather conditions.

Artificial ventilation involves air circulation, which is created using special equipment. These systems are currently used in all apartment buildings.

Supply ventilation supplies Fresh air into the room, and exhaust - removes polluted air with the help of ventilated appliances, and today is the most common system. Therefore, many people have such questions as how to clean supply and exhaust ventilation. For those who have not experienced this, it will be difficult to perform this procedure, but the following information will help you.

Sooner or later, but any air circulation system becomes clogged and does not function well, and the main signs that you need to clean the ventilation in the house are:

air blockage;
a large amount of condensation on the windows and dampness in the apartment, darkened corners;
the formation of a web around the entrance to the system;
large accumulation of dust and small debris.

Causes of clogged ventilation

The most common cause of clogged air passages is a large number dust and dirt in the mines of these channels.

The second reason is the failure of ventilation devices.

In all houses, a special service is responsible for the general engineering system, which has access to such work, so it becomes clear who should clean the ventilation in an apartment building. But every tenant has the right to clean the air channel of his apartment. Therefore, it is useful for you to learn how to clean the ventilation in the apartment yourself.

Ventilation cleaning methods

manual cleaning. To do this, carefully remove the grate and use special detergents to remove all grease, dirt and debris from your channel;
cleaning with dry ice, which perfectly removes grease and then evaporates without leaving any smell.

Attention! At self cleaning it is forbidden to lower large objects into the air duct shafts and use chemical reagents.

If you live in an old building and you are interested in the question of how to clean the ventilation in Khrushchev, then one mechanical cleaning method will not be enough. To do this, you need to take care of the following things:

on new windows, install a ventilation valve that restores the natural flow of air;
install a supply and exhaust device that removes moisture from the premises and provides an optimal atmosphere in your apartment. Such devices are mounted both in windows and on walls.

The most likely places for contamination of ventilation in an apartment are a bathroom and a kitchen. Therefore, many are wondering how to clean the ventilation in the bathroom. Suitable for this mechanical way cleaning - 15 minutes and your air channel will be clean.

Ventilation systems in an apartment building

All modern apartment buildings equipped with two types of ventilation system:

The vertical ventilation duct is led into the attic horizontal duct - through this system, air masses from all floors are directed into the horizontal duct and out.
Vertical air ducts lead to the attic - through this system, air masses are directed to the roof through a single ventilation shaft.

But these modern systems ventilation does not always cope with its functions. In the first case, air masses from a horizontal duct can enter the apartments of the last floor. To avoid this, you must do the following:

double the diameter of the horizontal box, it is better to do this work with a specialist so as not to disturb the engineering design;
lead the air ducts of the last floors into the ventilation shaft above the horizontal duct.

In the second case, in order to improve the operation of ventilation, it is enough to lengthen the height of the air duct by one meter using a conventional pipe.

How to clean ventilation

Now that we know all about air circulation, we can now learn how to unclog this system. This process consists of five steps:

Before starting work, everything must be examined and checked. To do this, bring a lighter or a match with fire to ventilation outlet. If the flame reaches into the channel, then you don’t have to worry about anything, but if it stands still, then your shaft is clogged and it’s time to find out how to clean the ventilation in the apartment.

Important! With a large accumulation of cobwebs, use another non-flammable method of checking.

mechanical cleaning

During this, you need to take a large ruff or steel cable and clean the air channel, try to clean as much as possible. Clean it of dirt, debris and grease. If this does not help, you need to take larger items and clean again. When cleaning the air channels, you must be careful not to run into a nest of wasps or other unpleasant insects.

Air circulation

For check natural circulation air, you can use a piece of paper and open wide the interior doors. If the paper flap does not respond, the circulation needs to be improved. To do this, it is enough to set the gap between the door and the floor at a distance of 4 cm.

Air supply

Natural ventilation provided open windows and doors. But in winter you won’t open them much, so you need to resort to additional methods of air flow into the room. Today, almost every house has plastic windows that securely hold not only heat, but also air. Therefore, for all modern windows supply slots began to be provided. Cold air enters from the cracks and mixes with warm air from the battery. In winter it effective method install optimal microclimate in the apartment.

True, there are rooms in which supply slots may not be enough. In this case, supply wall valves are installed, which additionally saturate the room with fresh air.

Additional exhaust system

If, after installing the supply equipment, there is no necessary air circulation, then an additional exhaust system can be installed. That is, in the ventilation duct is mounted electric fan which pumps air. This provides your room with enough fresh air.

To finally understand how to clean the ventilation in the apartment yourself, the video will best help you figure it out:

If special equipment suddenly does not work for you, then it will not hurt you to know how to clean the crankcase ventilation. Maybe this is the reason. To do this, disconnect the battery and remove the air intake pipe. And then disconnect the throttle actuator and hose. Only then can you start cleaning all the other parts.

Ventilation and exhaust in kitchen area must perform their functions effectively. So that with the performance of systems leading out of the kitchen bad smells, no problems, it is required from time to time to resort to cleaning them.

natural, that is, providing for the entry of fresh air into the room and the outflow of internal air due to the creation of special pressure;
supply, assuming that stale air is pushed out of the room by a stream of fresh oxygen;
exhaust, the work of which is to pull the old air out of the room and the influx of new air masses due to pressure relief;
supply and exhaust, foreseeing the movement of air and metabolic processes due to the installation of a special apparatus.

In most apartment and private houses, ventilation is made natural. Such a system is considered simple, as it allows you to replace exhaust air through windows and doors. At the same time, a hole with a grate through which gas, no longer suitable for breathing, escapes from the room, is always placed in the upper part of the wall.

The ducts circulate both fresh and exhaust air.

Causes of clogged ventilation

The main problem, due to which ventilation fails, is the pollution of the branching of the system, from where the exhaust air goes outside. Obstacles to the path of air masses arise as a result of dust, grease and soot settling on the walls of the ventilation ducts. The layer of dirt inside the channels turns out to be quite thick, since many owners never clean them, limiting themselves to erasing dust from the outside.

Due to the thick layer of dirt on the walls of the ventilation shaft, the air circulates poorly

In old buildings, the cause of poor functioning of ventilation in the kitchen can be the destruction brickwork air ducts. The problem is usually associated with prolonged exposure to water falling on the walls of the channels from above or from the bathroom. For this reason, the ventilation shaft is blocked, and air exchange is disturbed. The penetration of wasps and birds into the air ducts leads to the same phenomenon.

Sometimes ventilation ceases to cope with its tasks due to the fault of the owners of the premises. We are talking about unsuccessful attempts to improve the apartment and expand its space by destroying the ledge in which the ventilation ducts are located. As a result of such repairs, fresh air ceases to flow into apartments on other floors.

Checking the performance of the ventilation duct

Before cleaning the ventilation shaft, you must first make sure that the operation of the air ducts is really broken. To do this, you can use a burning match - bring it to the grate and see if the flame deviates to the side. If this does not happen, then the ventilation system is not functioning properly.

Undesirable effects may occur due to the use of a lighter near ventilation.

Utility workers do not recommend assessing the performance of ventilation systems in this way, as it is dangerous. The fact is that in buildings with main gas pipelines, gas leaks occur that enter the air duct. If you bring the flame to the ventilation shaft, where the gas has not yet escaped, an explosion may occur. Gas workers are advised to resort to in a safe way ventilation checks:

cut out a piece of paper from a newspaper 30 cm long and 3 cm wide;
bring the paper strip to the grate of the ventilation shaft, closing the windows and doors in the room;
pay attention to whether the piece of paper is pulling towards the grate.

If the strip pulls, then you should not doubt the functionality of the ventilation. In the absence of the necessary reaction of the air duct, you should clean the ventilation system.

Checking the performance of the ventilation duct can be carried out in three stages

Methods for cleaning and disinfecting ventilation and chimneys

To independently clean the walls of the ventilation duct in the kitchen, you can use different means. Usually, mechanical cleaning is carried out to restore the performance of air ducts.

mechanical cleaning

The most popular way to clean the ventilation system. It involves the use of a vacuum cleaner, a small spatula to remove dirt and a brush with a long handle.

A brush with a long handle will clean hard-to-reach places

Stages of mechanical cleaning

Mechanical cleaning implies a fairly simple process:

move the stove and kitchen set away from the wall on which the ventilation grill is attached;
put newspapers on the floor so as not to stain other surfaces;
provide free access to any section of the duct;
remove the grate at the entrance to the ventilation duct and wash it with powder and a scraper or replace it with a new one;
remove debris from the mine by wearing gloves;
clean dirt and grease from the channel walls with a scraper, after which air vent immerse the hose of the vacuum cleaner and drive through the ventilation shaft for about 5 minutes;
wipe with a damp cloth the area that can be reached by hand;
disinfect and then seal the entrance to the ventilation duct with a grill.

The dirty ventilation shaft is shown on the left, and its appearance after cleaning is shown on the right.

Air circulation

Another way to restore ventilation performance is to improve air circulation. The fact that there are problems with the movement of air masses in the room can be indicated by a piece of paper that is not attracted to the ventilation grate when the doors are fully open in the room. The problem with poor air circulation is usually solved by expanding the gap between the door and the floor to 4 cm.

Air supply

To ventilate the room naturally, open windows and doors. But in winter time It is unlikely that you will want to renew the air in the apartment in this way. Therefore, you should think about additional ways supply of oxygen to the kitchen and other rooms. For example, in tight-fitting plastic windows, supply slots can be created. Thanks to them warm and cold air will begin to interact, and the necessary microclimate will be created in the room.

Thanks to special slots in the room, air exchange will improve

Additional exhaust system

If the improvement in air flow has not changed the situation, then it is recommended to install in the kitchen additional system hoods. To do this, it is necessary to fix a fan powered by electricity in the ventilation duct. This appliance will add fresh air to the room.

Video: how to remove dirt from ventilation

Cleaning the cooker hood

In addition to the ventilation system, the hood located above the stove needs to be cleaned. If you leave the device dirty, then the air in the kitchen will be saturated with harmful fumes, smoke and burning.

Preparation for work

Preparatory measures prior to cleaning the hood over the stove include:

disconnecting the device from the electrical network;
removal of hood clamps;
dismantling the top cover;
removal of the air filter from the device;
search for the necessary cleaning products.

Soap and soda - budget and effective option hood cleaning

It can be difficult to guess what means is able to cope with the dirt adhering to the parts of the hood. Pollution can be dealt with baking soda. In such a solution for 30 minutes, it is required to boil the mesh and the filter, covered with a coating. To prepare such a product, you need to use 200 grams of powder and 3 liters of water.

A layer of adhering dirt can be removed from the surface of the filter and the mesh of the hood laundry soap containing 72% fatty acids. This tool is used in grated form and dissolved in 2.5 liters of boiling water. AT ready mix, As in soda solution, dirty parts of the hood must be soaked. After a few minutes, the parts can be removed, washed and wiped with a damp cloth.

An effective tool for removing fat and burning from household kitchen appliances considered vinegar essence. To clean the contaminated elements of the hood, the hostess will need a solution prepared from concentrated vinegar and water in a ratio of 1: 2. With this tool, the filter and the mesh must be moistened and left for 7 minutes. Then the cleaned parts of the hood must be thoroughly wiped with a cloth.

The hood can be wiped with a dry cloth so that no traces remain.

Cleaning methods

If little fat has accumulated on the hood, then the hostess should use the following instructions for cleaning the hood:

Contaminants that have made the extract completely yellow or even brown from fat should be dealt with in a different way:

If the fat from the hood is not removed by any means, then you can use the following instructions:

To resort to cardinal measures for cleaning the hood should be as rare as possible. Frequent use chemicals may damage parts of the appliance.

Before cleaning, do not forget to unplug the appliance from the mains.

The air duct of the device must be washed after cleaning the hood grilles. There will be no problems with this task, since the diameter of the pipe is large. The air duct is well cleaned of dirt with ordinary detergent and warm water.

Frequency of cleaning ventilation and exhaust systems

How often you need to clean the ventilation ducts and the hood is affected by the thickness of the accumulated fat and the activity of cooking. If the hood works for at least two hours a day, then experts advise washing household appliance at least once every 3 months. If the stove is rarely used, then it is recommended to clean the ventilation grill and hood parts every six months.

The absence of dirt on the device is a guarantee of its good work.

The more often ventilation and exhaust system will get rid of dirt, the easier the task of cleaning fat and soot will become.

Video: how to clean the hood grate

Each landlord is required to keep clean engineering systems. To do this, you need to know how to remove dirt from the ventilation shaft and hood above the stove, and periodically perform the assigned tasks.

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