Lüftungsbedarf

Lüftungsbedarf refers to the required amount of fresh air needed in a building or specific space to maintain healthy and comfortable indoor air quality. This requirement is driven by several factors, primarily the presence of occupants and the activities they engage in. People exhale carbon dioxide, and as its concentration increases, it can lead to feelings of stuffiness, fatigue, and reduced cognitive function. Therefore, ventilation is crucial for removing stale air and replenishing it with fresh oxygen.

Beyond human respiration, Lüftungsbedarf also accounts for the release of pollutants generated by building materials, furnishings, and daily activities such as cooking, cleaning, and the use of electronic devices. These pollutants can include volatile organic compounds (VOCs), formaldehyde, and particulate matter, which can negatively impact health and well-being. Furthermore, adequate ventilation helps control humidity levels, preventing the growth of mold and mildew, which can exacerbate respiratory problems and damage building structures.

The specific Lüftungsbedarf is typically determined by building codes, standards, and guidelines, which vary depending on the intended use of the space (e.g., residential, office, healthcare, educational). These regulations often specify minimum air exchange rates or per-person ventilation requirements to ensure a safe and healthy indoor environment. Effective ventilation systems, whether natural (e.g., opening windows) or mechanical (e.g., ventilation units), are essential for meeting these demands.