Professional Mold Testing Experts in Charleston

Since 2003, GLS Engineering has been providing homeowners in Charleston and the surrounding areas with high quality mold testing in Charleston 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.

Our founder, Louis Schweers, has more than 25 years of experience with residential and commercial HVAC systems, moisture control, and indoor air quality. He is recognized as a leading authority in the field, and he is often asked to provide experts testimony in legal cases that involve mold, moisture, building performance, and indoor air quality issues.

If you have any problems with mold, moisture, or air quality in your Charleston, 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. Our experts have the experience, education, and equipment to provide you with the absolute air quality services and help you keep your home as safe and healthy as possible at all times. We also provide the highest quality customer service, and all of our work comes with a 100% satisfaction guarantee.

Give us a call today to ask any questions you have about mold growth or your home's indoor air quality, or to schedule an appointment, and we'll be looking forward to assisting you

Mold Investigation & Testing

Mold Testing

Any amount of mold growth in your home can be detrimental to the health of you and your family, and mold can also do significant damage to your home. And unfortunately, mold can exist and grow in your home for years before you start to see any visual evidence of its existence or see the long-term effects of its growth. Our experts can test your home for mold, find exactly where it's located, and help you determine the best solutions to your mold problems.

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Moisture Analysis & Control

Moisture Investigation

When there's moisture in your Charleston home, it can lead to mold growth and major structural damages. Locating and eliminating moisture that is making its way into your home is a big part of keeping your home in great condition, but it's not always easy. Our professionals offer moisture analysis services to help you determine how much moisture is affecting your home and what its precise location is. We can also help you with moisture control services that will prevent any more damage from occurring.

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Indoor Air Quality

Indoor Air Control

People spend around 90% of their lives indoors, so making sure that the air you breathe while you're inside your home is safe and healthy is extremely important. Indoor air has a huge effect on your health, and it can cause or trigger major respiratory problems. Our air quality solutions will help to keep you and your family as healthy as possible.

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Humidity Control

Humidity Control

In the Charleston area, humidity is a major problem, and if the air in your home is too humid, it can cause a number of problems. While air conditioning systems provide some humidity control, it's typically not enough, especially in this region. Our professionals can offer you whole-house dehumidifiers to help you keep your home's air less humid, as well as a number of other humidity control services.

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Why Choose GLS Engeineering

GLS Engineering has been providing mold testing and other air quality services to home and business owners in and around Charleston since 2003. All of our professionals are highly trained experts with extensive experience, and we are always able to provide thorough and accurate services that will help you keep your home clean, safe, and healthy. We understand how important your home is to you and your family, so we strive to provide you with the highest quality services possible.

There's nothing more important than the health of your family, and when you rely on our experts, you'll always know that your home is as healthy as possible.

Mold and Air Quality Services We Provide In Charleston


Recent Articles

  • The Importance Of Humidity Control For Your Charleston Home

    Humidity control is important for many reasons. The air inside your home is effectively trapped there. When you are inside, you're trapped with whatever contaminants are in the air. When the humidity level is too high, mold and mildew can grow. High indoor humidity cause other problems as well.


  • Mold and Indoor Air Quality

    In the 1970s and '80s, it was reported that mold contamination caused poor indoor air quality in 5% of 500 indoor air quality tests performed by NIOSH. Later in 1986 to 1996, that percentage jumped to 35-50%. An air tight home without proper ventilation and air circulation keeps moisture in. Since mold thrives in moist conditions, this makes the perfect incubating environment.



If you are looking for a mold testing in the Charelston area then please call 843-881-4803 or complete our online request form.

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