For any apartment there is a minimum number of locations for a domestic fan: kitchen, toilet and bathroom. Of course, you can place the fan in any room. But close attention to the quality of air is still a bathroom. How to organize ventilation here, and by what principles?
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Principles of indoor air ventilation
The problem of air ventilation in living quarters is based on certain rules and standards, which are laid at the design stage of the facility. However, any law is powerless and can not control what is happening in your home. Therefore, to maintain a decent air quality, you can do a lot with your own hands, for example, compulsory ventilation.
Monitoring of possible sources of pollution and elimination of the causes of deterioration of air quality can be ensured by ventilation. What should be the ventilation in the bathroom from the point of view of the consumer?
Ventilation systems for the bathroom
If there is natural ventilation in the bathroom, the question of compulsory ventilation may disappear. However, in most cases, low-power natural ventilation can not cope with the presence of dampness or the formation of condensation on the walls and ceiling, and the formation of rust on metal pipes.
And then the system of forced ventilation in the bathroom rushes to the rescue. What is the general scheme of ventilation? In all apartment houses there are ventilation holes for the air duct, which are installed during the construction of the house. The holes under the natural ventilation duct from the inside of the kitchen, the bathroom or the toilet are covered with a grid. The ventilation opening on the inside of the room is connected to a vent box or pipe. That, in fact, and the whole scheme of ventilation.
Therefore, to create forced ventilation in the bathroom or toilet, it is necessary to create a hood connected to an existing ventilation duct. The hood can be considered an optimal solution to the problem of ventilation. If you do not plan, for a number of reasons to install the hood in the bathroom, it is recommended to install the fan in the vent. To connect the supply air fan in the bathroom or toilet, you can use a light switch or an existing lamp, as in this video.
In this case, when the light in the bathroom is turned on, the fan will automatically turn on, too, when turning off the light - turn off automatically. A simple and affordable option, is not it? Now is the time to think about and choose the type of home fan you need, without which a forced ventilation system is simply unthinkable.
Types of household fans
Household fans, depending on the functions performed, are divided into:
• Supply
• exhaust
• Reversible.
To select a fan, you must pay attention to the main parameters and criteria:
• type of fan
• dimensions
• Productivity
• the presence of protective gratings
• noise level.
Modern household fans are conditionally divided into two types:
• Radial
• Channel.
The radial exhaust fan is installed at the end of the duct. The inside of the fan is connected to the air duct, the decorative cover with a mesh is put on the outside. Household radial exhaust fans are sold assembled.
A ducted exhaust fan is installed inside the duct. Therefore, there is a possibility of a subsequent branching of the vent channel.
The productivity of the exhaust radial devices is from 5 to 10 m3 / h. For a bathroom it is recommended to choose fans with waterproof protection class IP protection.
For bathrooms in combined bathrooms, radial fans are used, which are simply installed in the vent. For separate bathrooms, it is preferable to install a duct type fan that will allow you to connect the air duct and make wiring for the bathroom and toilet.
Modern household fans are distinguished by a combination of air consumption and a low level of noise impact. This ideal variant is achieved by using a mixed impeller shape.
In addition, the splash-proof fan housing and the impeller itself are made of impact-resistant plastic, resistant to prolonged mechanical stress. In addition, the fans are equipped with a check valve to prevent air from getting out of the exhaust duct when the mode is off. The main "driving force" is the engine on ball bearings, which provides the fan with a long service life. The level of protection against moisture in such fans is high enough and is equal to IP 45.
Choosing the type of fan in the bathroom or toilet should take into account the volume of the room intended for ventilation. Such a volume should be slightly less than the volume of a working fan.
In addition to domestic fans, the ventilation system includes air ducts.
About the role of air ducts in the bathroom ventilation system
The connection system of the ventilation duct with vent is the ventilation pipes (air ducts). Air ducts used for bathrooms are of circular and rectangular sections.
Distinguish the following types of ducts:
• flexible
• Hard
• Semi-rigid.
Flexible duct differs low price and, accordingly, poor quality of execution.
The most durable and expensive option is a rigid air duct.
Semi-rigid air ducts are most needed for installation in case of a significant and curvilinear channel distance.
Air ducts, consisting of a system of channels, can be made of thin metal and plastic. The most popular air ducts designed for bathroom ventilation are rectangular ducts with connecting elements.
Ventilation systems are supplemented each year with new technological solutions. And it is right! Minimum general ventilation, which maintains acceptable conditions for air quality, is the best solution for providing a comfortable stay.
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