Commercial Air Quality Testing provides professional grade indoor Air Quality Testing and Independent Mold Inspection Services. https://www.youtube.com/watch?v=Zz4ZNnU0oPc Several factors affect the quality of indoor air. Volatile Organic Compounds (VOCs), allergens from things like dust mites, mold, and chemical residues from furnishings and other items inside the home are just a few. Mold growth can be hazardous to people and the structure of the home. Home furnishings often contain high levels of toxic chemicals like formaldehyde, as recent reports have found. Some homes have even been shown to have dangerous levels of toxic chemicals left over from meth labs. In short, the air inside your home could contain a host of hidden dangers.