What measures can improve indoor air quality?

Improving indoor air quality is crucial for the health and well-being of individuals occupying a space. Regular maintenance of HVAC systems ensures that air circulation remains efficient and that contaminants are filtered out, which is essential for reducing airborne pollutants. Utilizing air filters helps to trap dust, allergens, and other particles, further enhancing the cleanliness of the air. Proper ventilation allows fresh outdoor air to replace stale indoor air, mitigating the buildup of indoor air pollutants and moisture that can lead to mold growth.

While the other measures listed can contribute to improving air quality, they are not as directly effective as the maintenance and operation of heating, ventilation, and air conditioning systems. For instance, planting indoor trees and shrubs can enhance aesthetics and may contribute to a more pleasant environment, but they are generally not sufficient on their own to significantly improve air quality. Likewise, natural paints and finishes can reduce chemical emissions compared to conventional products, but they do not address broader air quality issues such as ventilation and filtration. Installing heavy drapes and carpets can unfortunately trap dust and allergens, potentially worsening indoor air quality rather than improving it. Therefore, the combination of HVAC maintenance, air filtration, and ventilation stands out as the most comprehensive approach to ensuring a healthier indoor environment.