Disinfect it Clean with Dry Vapor Steam! It's Chemical-Free and is Green Cleaning Steam Cleaning every day in Norman Oklahoma at HVOKC HVOKC Cleaning Technologies located out of Norman Oklahoma is steps ahead of the competition when it comes to Cleaning. We can Kill Pathogens such as Bacteria, EBOLA, H1N1 Virus and infectious disease causing parasites instantly without Bleach, Chlorine or any chemical at all! By using TANCS nano-technology equipped Vapor Steamers, HVOKC cleans and disinfects at the same time.