Duct & Vent Cleaning of America, Inc contact HEPA vacuumed the existing ductwork on the 1st and 2nd Floor. We also contact cleaned all registers, grilles, and diffusers with each HVAC System. This job also included cleaning the two AHU's located on rooftop which included cleaning the coils. After cleaning, we treated each of the two units with a disinfectant cleaner labeled for use against SARS-CoV-2 or human coronavirus.