Performed a duct cleaning on the system. Pulled, cleaned, and sanitized all the return and supply grills, roto brush cleaned all the duct lines, pulled cleaned and sanitized the blower assembly, cleaned and sanitized the evaporator coil in place, cleaned and sanitized the inside of the air handler, and fogged the ductwork with sanitizer. Removed the old drain line and installed a new 1” drain line from air handler all the way outside. Power cleaned the mini split at his home office.