Since 2003, GLS Engineering & Testing has been providing homeowners in Charleston and the surrounding areas with high-quality mold testing and many other indoor air quality services. We are uniquely qualified to handle these tasks thanks to our combination of in-depth education and vast real-world experience. If you have any problems with mold, moisture, or air quality, our experts will be able to find locate the problems, as well as their sources, and help you prevent any further damage from being done.