What are the ventilation systems in a private house?
The correct ventilation device within a private house should take place according to a certain principle. To begin with, the air exchange is calculated and the cross-sections of the air ducts are selected, then the type of ventilation system is selected and its complete diagram is drawn up, where the place of installation of the corresponding equipment, the place of intake of fresh air and exhaust air extraction are marked. Exhaust ventilation, the price of which varies greatly depending on the chosen equipment and the spatial characteristics of the house, can be natural, mechanical and forced.
Natural exhaust ventilation using the ventilation method
Natural ventilation should take into account various consequences depending on the degree and duration of the opening of windows and doors.
Ventilation of the room by a slightly open window or by slightly opening the frame of a plastic window in micro-ventilation mode is characterized by the following nuances:
- the room loses a lot of heat;
- complete air exchange occurs only after 35-70 minutes;
- as a result of such ventilation in winter, the window block cools down greatly, harmful condensation can form on the slopes.
At the same time, airing with open windows and the front door gives all people in the house a dangerous draft for health, even if only for 5 minutes.
The best natural exhaust ventilation is quick ventilation for 5-10 minutes, by opening several windows, which will not allow the window structures to get too cold.
Mechanical exhaust ventilation
For the comfortable well-being of residents and guests of a private house, it is important both the presence of fresh and warm air in it and the speed of movement of the air mass. After all, the lower the speed of the air flow, the more cozy and comfortable it becomes in the house. Air exchange with mechanical exhaust ventilation is significantly greater than with natural ventilation alone. And this is due to different standardized indicators of the speed of air movement in the ventilation system.
Mechanical ventilation provides an average speed of 4 m3 per hour, and natural ventilation no more than 1 m3 per hour, therefore the latter is more comfortable for people to stay in the house.
However, mechanical exhaust ventilation has one undeniable advantage. The point is that a lower speed of air movement through the channel requires a larger section.
Forced exhaust ventilation
This exhaust ventilation, the price of which can be quite democratic, is a diagram of the arrangement of exhaust fans in the premises of a certain house. Clean air enters the house from air intakes located on the windows or walls of the building, and old and stagnant air is extracted from rooms with high humidity, most often a kitchen or a bathroom, using exhaust fans.
The main advantage of forced draft ventilation is the control of the amount of air extracted from a private home. This system works flawlessly with a system that automatically starts the fans as soon as the set indoor humidity limit is reached.
