1ST SERVICE CLEAN AND CHECK FOR 5YR HEATING UNIT UNDER SERVICE AGREEMENT. CHECK FAN CONTROL, THERMOSTAT, AIR FILTER, HEAT EXCHANGER, HIGH LIMIT CONTROL, HUMIDIFIER, ENERGY CONSUMPTION, GAS PRESSURE, AND ALL ELECTRICAL CONNECTIONS. LUBRICATE ALL NECESSARY MOVING PARTS, AND ADJUST BLOWER COMPONENT. CLEAN AND CHECK BURNERS AND BURNER OPERATION.