Houses are a shelter where we try to provide the most appropriate climate for life. One of the key factors is virtually invisible. This, of course, is fresh and quality air in the room. It has a significant impact on the well-being, health and productivity of the population. But sometimes we're under-aware. Old objects have aired naturally and automatically with the "help" of tightness in the building's wrapper and through openings such as windows and doors. With the development of technology and materials and new principles, we have sealed the buildings and are now largely ventilated by mechanical ventilation systems. With the ambition for greater living comfort, we like to cool the premises in summer. We are often in modern construction, so to speak, dependent on ventilation devices.
In the thesis we analyzed different types and requirements for ventilation of the rooms, presented current methods of ventilation. The contaminants of the premises and the importance of ventilation for health are also briefly described. We presented established standardised procedures for calculating ventilation efficiency and described procedures for maintaining adequate air in the room. We analyzed measurements of various parameters in space and, on a practical case, performed measurements in older and renovated lecture halls at the college. We have come to the conclusion that nowadays, with appropriate solutions and systems, there can be quality and fresh air in buildings. When choosing a ventilation system, there are many factors that we must take into account, such as the location and purpose of the building, whether it is a new construction or just the renovation of an older building, the available financial resources. The most important thing, of course, is to consult a ventilation expert, who will be able to tell you which ventilation system is most suitable.
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