FIRST 13 POINT MAINTENANCE CHECK-UP UNDER SERVICE AGREEMENT FOR 4 YR HEATING SYSTEM. CLEAN AND CHECK BURNERS AND BURNER OPERATION. CHECK HEAT HIGH LIMIT CONTROLS. LUBRICATE ALL NECESSARY MOVING PARTS, AND ADJUST BLOWER COMPONENTS, CHECK HUMIDIFIER, THERMOSTAT, AIR FILTER, AIRFLOW, COMPRESSOR DELAY SAFETY CONTROLS, ENERGY CONSUMPTION, AND ALL ELECTRICAL CONNECTIONS. EVERYTHING IS RUNNING GOOD.