Provide labor, equipment and materials for the proper safe cleaning of the HVAC unit(s) servicing the Hale Ho‘ola Building on the grounds of Hawaii State Hospital where mildew has been identified. NADCA procedures for cleaning are required to prevent mildew turning into mold growth. Clean air handling units (AHU) Clean AHU internal surfaces, evaporator coils, blowers and blower housing. Evaporator coil cleaning may include contact cleaning and/or wet process cleaning. Cleaning shall be done using Cal-Brite Coiler Cleaner. Precautions shall be taken to ensure that insulation and porous materials do not get wet. Both upstream and downstream sides of each coil section shall be cleaned. Drain pans and drain lines shall be cleaned and flushed. Use of mechanical agitation systems, pressurized air sources or hand brushing methods to remove surface contamination.