CLEAN AND CHECK 9 YR A/C UNIT. DNS SA. CHECK THERMOSTAT, AIRFLOW, AIR FILTER, FREON LEVELS, DRAINAGE, ENERGY CONSUMPTION, COMPRESSOR DELAY SAFETY CONTROLS. CLEAN AND CHECK CONDENSER COIL. CHECK VOLTAGE AND AMPERAGE ON MOTORS. LUBRICATE ALL NECESSARY MOVING PARTS, AND ADJUST BLOWER COMPONENTS. EVERYTHING IS RUNNING GREAT.