In recent years, awareness of indoor air quality issues has continued to increase. It has come to apply to a wide spectrum of potential human health problems. This includes technical issues with things like airflow, HVAC systems, and air exchangers, as well as issues related to airborne, contaminants such as:
- Vapors from volatile organic compounds
- Molds spores and mold colony mycotoxins
- Radon
- Asbestos
- Bacterial presence
- Heightened carbon dioxide levels
- Carbon monoxide
- High humidity