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Cleaning and disinfecting private house ventilation systems

With the development of civilization, people spend more and more time indoors, the climate in which is established by ventilation and air conditioning systems. Therefore, it is especially important to monitor the smooth operation of the air supply system and the cleanliness of the filters.

Timely cleaning and disinfection of the “lungs” at home will save a person from the occurrence of many diseases, increase the performance and service life of the ventilation system.  

Private house ventilation systems: natural and forced

Previously, when houses were built of wood, logs and not plastered from the inside, it was quite possible to do without a ventilation system. Since the air entered through the ends of the logs, window and door slits, and the outflow - through the chimney of the furnace, which was necessarily in any home. Occurred, the so-called natural ventilation Today, this type of ventilation is quite applicable in small wooden country houses with a fireplace or stove.

If the house has a frame construction and is equipped with sealed double-glazed windows, then you need to additionally take care of the influx of fresh air and the removal of stale air.

Natural air flow is carried out in several ways:

  1. Through leaks in door and window openings. More often it occurs in houses with wooden frames. Such an air flow is sufficient for a comfortable stay of a person in a house, if the area of ​​the room is no more than 140 sq.m.
  2. Air supply at the window "micro-ventilation" mode.                  
  3. Airing through the window or opening the frame of a metal-plastic window. At the same time, significant heat loss occurs, and for a complete exchange of air, it takes 30-75 minutes.
  4. Airing the opening of the front door and windows. Air exchange is as fast as possible (2-4 minutes), but a draft can be dangerous to the health of people in the house.

In order to increase the flow of fresh air, without resorting to aeration, you can install intake wall or window valves.

The technology of production and installation of metal-plastic windows does not provide for any gaps and leaks, and the air permeability of the windows is almost zero. Thus, the natural flow is absent. To solve this problem, you can pick up the window units with built-in inlet valve.

If the windows are already installed, you can install the wall inlet valve. The position of the valve grille is adjustable: from a full opening to a complete shut off of the air supply. It is better to place the valve near the window (can be hidden behind the curtain) or near the radiator (the air will heat up when it enters).

Valves should be installed in “clean” zones (bedroom, hall, children’s room) in order to comply with the air flow direction.

If there is excessive humidity in the house, condensation on the windows, and mold on the walls, this may indicate that natural function does not adequately fulfill its function - removal of polluted air and excess moisture from the room.

To improve the operation of the ventilation system in a private house, fans and exhaust hoods are installed, which are suitable for intensive but short-term ventilation of the room.

Fan and filters significantly reduce the force of natural draft in the ventilation duct

An alternative to natural ventilation is a centralized compulsory supply and exhaust system with heat recovery.

The system includes:

  • ventilation unit with heat exchanger (heat exchanger);
  • air ducts (supply, exhaust);
  • filters;
  • deflector;
  • control device.

The air from the street, through the fan unit enters the house, and the polluted air is discharged through the deflector installed on the roof. In winter, two air currents (cold from the street and warm from the house) are found in the recuperator, but do not mix. The air from the street is heated by the outgoing warm air, and enters the room. Visit our duct cleaning service

The use of heat recuperators allows to reduce the cost of home heating up to 25%

Forced ventilation system is indispensable for frame houses, in which walls, floors and floors are sealed with vapor-proof film.

In order for the house to be not only pleasant, but also useful, all the parameters of the air environment (humidity, temperature, air exchange rate) should be normal. This is greatly facilitated by the timely cleaning of the ventilation and air conditioning system.

Cleaning the ventilation will help to avoid negative consequences associated with the pollution of the air ducts and filters:

  • the growth of mold, fungi and the appearance of other microflora harmful to humans;
  • in case of high dustiness of the closed space, the risk of fire increases;
  • the effective section of ducts is reduced;
  • equipment may fail due to increased load.

In parallel with the cleaning of the ventilation system, it is also disinfected — disinfecting the surface of the equipment and reducing the number of pathogens.

Disinfection of ventilation systems can prevent the reproduction of Staphylococcus aureus, Coca sticks (causes pulmonary tuberculosis), bacteria that provoke the development of other diseases.

Measures for disinfection of ventilation are necessary to conduct in kindergartens, schools, places of public catering, hospitals. The frequency of disinfection - every six months.

In private homes, it is possible to disinfect ventilation ducts less frequently than to clean up accumulated dust, dirt and grease.

Organization of work on cleaning the ventilation system

timing of cleaning the ventilation system

There are no prescribed and approved standards for cleaning the ventilation systems for private houses. However, you can focus on the requirements of sanitary services to public and administrative buildings, according to which the ventilation system should be cleaned every six months.

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