Air exchange standards. The volume of air supplied to the ventilated room per hour can be approximately calculated, using the concept of the so-called. air changes per hour,…
Central and local air conditioning. In order to ensure the appropriate climatic conditions in catering rooms, air-conditioning devices are often installed, which do not only exchange air, but…
Mechanical ventilation. Mechanical ventilation is the exchange of air that occurs thanks to the use of mechanical devices. Mechanical ventilation can be: vacuum, when it creates a negative pressure in a ventilated room; low pressure,…
Natural ventilation. Natural ventilation is the exchange of air without the use of powered devices. It is of a gravitational nature, that is, it is caused by a difference in temperature and pressure…
General information on ventilation of rooms. Ventilation is the process of air exchange in rooms intended for people or in food storage rooms. The task of ventilation is to remove…