Indoor Environmental Quality (IEQ) is the focus of Mould Squad & it mother company "Building Environmental Wellness Group" for 2019 So what is "IEQ" "Indoor environmental quality (IEQ) refers to the quality of a building's environment in relation to the health and wellbeing of those who occupy space within it. ... Understanding the sources of indoor environmental contaminants and controlling them can often help prevent or resolve building-related worker symptoms"