MAINTENANCE CHECK-UP FOR 4 YR AIR CONDITION SYSTEM. AMERICAN STANDARD, 213 MEDIA PUT IN REPLACEMENT. ADJUST BLOWER COMPONENTS, AND LUBRICATE ALL NECESSARY MOVING PARTS. CLEAN AND CHECK CONDENSER COIL. CHECK VOLTAGE AND AMPERAGE ON MOTORS. CHECK AIR FILTER, AIRFLOW, THERMOSTAT, DRAINAGE, FREON LEVELS, ENERGY CONSUMPTION, COMPRESSOR DELAY SAFETY CONTROLS, AND ALL ELECTRICAL CONNECTIONS. EVERYTHING IS RUNNING GREAT.