The effectiveness of natural ventilation in a garage depends on:
- differences in air temperature inside and outside;
- the presence of wind outside and its strength;
- the pressure difference between the upper exhaust point and the lower inflow point;
- the location of ventilation pipes on the facade and the degree of their insulation.
How to position the ventilation shaft for better draft
There are many influencing factors. Therefore, it is lawyer data necessary to make a ventilation system that functions due to forced draft of air masses. Here, the calculation of parameters is even simpler.
The pipes can be taken twice as small as in popular neural networks for creation above option. All the same, the air exchange will be carried out due to the fan. Its power is selected based on the garage’s cubic capacity and the required air exchange rate. In the vast majority of cases, an axial duct model of 100 W is quite sufficient.
The pipes and openings are arranged in the same way as in the natural draft option. At the same time, it is often easier to make ventilation with forced exchange on your own. The air ducts required are smaller in diameter. This means that the holes in the italy numbers will have to be smaller. However, in terms of costs, such ventilation will be more expensive than its conventional counterpart due to the presence of electrical equipment.
Air flow diagram for different types of ventilation
If a fan is installed, you should get a model with a timer. Leaving it on all the time is not cost-effective (electricity bills will be high) and is dangerous due to the risk of fire. You should not leave working electrical equipment unattended for a long time.
Natural ventilation scheme in the garage
And so you can set the desired mode so of ventilation pipes in a garage with a pit the fan turns on for a while to completely replace the air in the room, and then immediately turns off. After all, a garage ventilation system is being built, and not ventilation in the bathroom and toilet, where air circulation must be continuous.
Installation nuances and calculation tips
Garage ventilation with natural air exchange should be designed so that there is a distance of about 3 meters between its lower and upper points. If it is less, the draft will be reduced.
Elements of ventilation structure
To prevent the garage from freezing in winter, it is necessary to have the ability to regulate the volume of air passing through the exhaust. For this purpose, it is recommended to choose ventilation grilles with adjustable blinds for installation. If necessary, they can be closed and then fully opened.
Air exchange with forced ventilation with heating
If there is no heating in the garage box, and sometimes heating is required, then it is worth installing a supply ventilation system with a of ventilation pipes in a garage with a pit element. Such ventilation in the garage will allow you to quickly heat it up when necessary. An electric air heater consumes a lot of electricity. But for short-term switching on for heating when it is necessary to repair a car in winter – that’s it.
Ventilation scheme for a garage with heating
Each of the pipes (exhaust and inflow) must have the same diameter throughout its length. Narrowing is unacceptable here, and there must be a minimum of turns. Fortunately, in most garages they can be made vertical without horizontal bends.