Preformed prepaid maintenance on a Goodman Amana split heat pump system, model and serial number match in the system. Replaced filters and checked pressures checked amp draws and checked wiring connections. Cleaned coils and cleaned drain line. Added algecide treatment to drain pan for drain line prevention. Tested float switches. Inspected duct system and it has a lot of pollen and dust. Quoted 590.00 for a duct cleaning. 11 supply vents and 2 returns. Tested Air flow and split and got a 23 degree split. He’s also interested in a blue tube uv kit. Quoted 370 for kit. All systematic components are working properly at this time.