Company started as Mallard Systems in 1991 with TerraClean spinning off to do commercial business in 2003. TerraClean specializes and caters to commercial properties. From apartments to condominiums, hotels to resorts, convention centers to theme parks, government facilities to schools, TerraClean utilizes the exclusive Mallard System, a no pressure chemical cleaning process that eradicates mold, mildew and green algae on roofs, exteriors, sidewalks, breezeways, and any other structure needing cleaning. With residential properties we draw on our expertise of cleaning commercial properties. We don't get bogged down camping out on your home for days. We decisively clean your home quickly and theroughly caring for your property as our own during and after the service.