FIRST 13 POINT MAINT. CHECK-UP UNDER SERVICE AGREEMENT FOR 1 YR HT UNIT, AC 6 YR. TAPED UP DUCTS. LUBRICATE ALL NECESSARY MOVING PARTS AND ADJUST BLOWER COMPONENTS. CHECK MANIFOLD GAS PRESSURE AND FOR PROPER VENTING. CLEAN AND CHECK BURNERS AND BURNER OPERATION. CHECK THERMOSTAT, ENERGY CONSUMPTION, HEAT EXCHANGER, FAN CONTROL, HIGH LIMIT CONTROL, AIR FILTER, AIRFLOW, AND ALL ELECTRICAL CONNECTIONS. EVERYTHING IS OPERATING GOOD.