Performed maintenance on two Amana systems installed by Total Air in 2019. Cleared drain lines and replaced air filters. Replaced both client supplied low voltage UV lamps inside each indoor unit. Installed a Pure Air X UVC system into each supply plenum to control contamination and protect the home for 900 each. Electrical components and refrigerant levels good at this time. Both systems cooling well upon departure. Total 1800 paid with Visa. Job complete.