Associated Heating & Air is an HVAC company that specializes in indoor air quality in Garden Grove, CA. Indoor air pollution is a top health concern for Californians. Professional IAQ testing can reveal the pollutants and contaminants present in your home. Once you have a clear understanding of the problem, you can work towards finding a solution. Many homeowners opt for a whole-house air purification system. Other solutions include UV lights, dehumidifiers, and humidifiers.