The purpose of spot ventilation is to control the concentration of pollutants in which area?

Spot ventilation is specifically designed to target and control the concentration of pollutants right where they are generated, which is crucial for maintaining indoor air quality. By focusing on the specific area where emissions occur, such as in bathrooms, kitchens, or workshops, spot ventilation systems can effectively remove contaminants and excess moisture from that localized area, preventing them from spreading throughout the rest of the house.

This approach is particularly important in spaces like kitchens, where cooking fumes, smoke, and odors can accumulate rapidly, and in bathrooms, where humidity and odors from personal care activities can lead to mold growth if not adequately addressed. Therefore, the effectiveness of spot ventilation lies in its ability to immediately mitigate pollutants at the source, directly improving the air quality in those specific areas.