MAINTENANCE CHEC-UP FOR 6 YR A/C UNIT. CHECK THERMOSTAT, AIRFLOW, AIR FILTER, ENERGY CONSUMPTION, COMPRESSOR DELAY SAFETY CONTROLS. FREON LEVELS, DRAINAGE, AND ALL ELECTRICAL CONNECTIONS. CLEAN AND CHECK CONDENSER COIL. CHECK VOLTAGE AND AMPERAGE ON MOTORS. LUBRICATE ALL NECESSARY MOVING PARTS, AND ADJUST BLOWER COMPONENTS. EVERYTHING IS OPERATING GREAT.