Ventilation

Ventilation

Good ventilation brings in outdoor air and creates a good indoor environment for all building occupants.

 

 

What is ventilation?

Ventilation is the intentional introduction of outdoor air into an indoor space.

Ventilation is mainly used to control indoor air quality by diluting and displacing indoor pollutants.

The main aim of ventilation is to control indoor temperature, humidity,  thermal comfort, and various other parameters.

Dig deeper into ventilation

Why ventilate?

As we spend about 90% of our lives indoors, the indoor climate is extremely important for our well-being, therefore it can be clearly said that we ventilate for health and comfort of building occupants.

Buildings - the same as humans - need to also breathe to make sure that fresh air comes in and dirty air goes out.

Find out why buildings need to breathe

Definition of ventilation

"The act of ventilating, or the state of being ventilated; the art or process of replacing foul air by that which is pure, in any inclosed place; free exposure to air."

— Anonymus

When do we need to ventilate?

The building needs to provide a suitable environment for people and their activities: such as living, working, educating, playing, entertaining and physical activities. Ventilation is one of the systems that keeps our indoor environment habitable, keeping the air fresh and healthy indoors.

Discover more about when we need to ventilate

How do we ventilate buildings?

Ventilation is air exchange from outdoor environment to indoors. The outdoor air has to go through the building envelope consisting of the various barriers separating - and also protecting - the building interior from the outdoor environment. 

There are several ways that a building can be ventilated: infiltration or exfiltration through the building envelope is the unintentional way of air exchange or controlled airing can be done via building openings or various types of mechanical systems.

Learn more about ventilation systems

"Ventilare necesse est – to ventilate is necessary." — Anonymous