Do you work in the field of indoor air quality (IAQ)? The Council- certified Indoor Environmentalist (CIE) is the most popular indoor air quality certification. If you investigate air quality problems such as mold, VOCs, allergens, dampness, poor ventilation and sick building syndrome, the CIE is great certification to substantiate your knowledge and experience.
The online class consists of videos that you watch at your own pace. It takes about 32 hours to complete the online course. Online students get access to the videos for 90 days and indefinitely keep the course manual for future reference. Extensions for access beyond 90 days can be purchased for a fee.