1) Inspect the AC system with our Video inspection system. 2) Remove and wash all registers and grills. 3) Next we clean the entire HVAC system using a contact cleaning technique. Dust, mold and debris are loosened and removed by the powerful Equipment vacuum. 4) The last step is to sanitize the entire HVAC system. The sanitizer is an antimicrobial, disinfectantcleanerdeodorizer designed for hospital and industrial use. EPA registered formulation is found to be effective in killing microbial organisms and many other viruses such as SwinFlu and many others.