Low indoor air quality is a common problem in many homes across the country. Most people think of low indoor air quality as a mild inconvenience, but high levels of pollutants in your home cause respiratory issues and exacerbate cold and flu symptoms. If you want to improve the level of your indoor air quality in Birmingham, AL it’s important to understand the causes of poor air quality. We’ll walk you through a few simple causes and tell you how our amazing technicians at Gas Engineers can fix them.