Customer concerned about unit not cooling properly. Checked thermostat calibration and filter location. Customer has provided filter replacement. Checked blower motor operation and inspected equipment cabinet. The safety float switch is tripped with water and drain line needs to be cleaned properly. Located the safety float switch on emergency drain pan is bad and needs to be replaced to have proper safety if water over flow into the drain pan. The attic has none to very little attic insulation and strongly recommend to have attic insulation to keep unit cooling properly and lower electrical bills due to loss of cooling / high heat into the attic space. Recommend total air care membership renewal to have annual preventative maintenance inspections on ac system. Location has mini split unit in master bedroom. Customer has approved for membership renewal (2 units) and drain line cleaning and new safety float switch. Performed drain line cleaning and installed new safety float