The CS-Guardian fights moisture in your crawl space. not only crawl space dehumidification, but with our UV light system it helps stop mold and mildew. Don't forget, it's important to a good ground cover to maximize CS-Gs power for crawl space moisture repair! We also see the need in the world today in reaching goals to protect our environment. Our new system was created to do the task it was built for, plus to be safe to our environment while being efficient, and affordable.