Preformed prepaid maintenance on a Goodman split heat pump unit, model and serial number match in the system. Checked the filter and checked pressures, unit pressures are correct for the temperature outside. Checked amp draws and checked wiring connections. Cleaned coils and cleaned drain line. Added mildew destroyer to drain line to help prevent bacteria build up. Checked the temperature split and got 21 degrees. Tested float switch. All systematic components are working properly at this time.