1ST MAINT. CHECK-UP PER SERVICE AGREEMENT FOR 5YR HT UNITS. CLEAN AND CHECK CONDENSER COIL. CHECK VOLTAGE AND AMPERAGE ON MOTORS. CHECK THERMOSTAT, AIR FILTER, AIRFLOW, FREON LEVELS, DRAINAGE, ENERGY CONSUMPTION, COMPRESSOR DELAY SAFETY CONTROLS, AND ALL ELECTRICAL CONNECTIONS. LUBRICATE ALL NECESSARY MOVING PARTS, AND ADJUST BLOWER COMPONENTS. EVERYTHING IS OPERATING GREAT.