The vast majority of residential cleaners aren’t aware of the scientific advances in the areas of microbiology, chemistry and cleaning technology that improve our health and well-being. Certified HCTs who successfully complete this class will be well versed in these topics as well as other important topics which include safety, methods and productivity. In this two-day certification class cleaning technicians are taught the value and criteria for developing a proper cleaning methodology, including the microbiology and chemistry behind soil, as well as how to identify and care for many of the materials and surfaces commonly found in homes.