2ND CLEAN AND CHECK FOR HEAT AND A/C UNIT, CHECK THERMOSTAT, AIR FILTER, AIRFLOW, HUMIDIFIER, HEAT HIGH LIMIT CONTROL, AND ALL ELECTRICAL CONNECTIONS. CHECK BURNERS AND BURNER OPERATION, LUBRICATE ALL NECESSARY MOVING PARTS, AND ADJUST BLOWER COMPONENTS. CLEAN AND CHECK CONDENSER COIL. CHECK VOLTAGE AND AMPERAGE ON MOTORS. REPLACED FURN PREM 12 P/L WTY PUR. RENEWED SERVICE AGREEMENT. EVERYTHING IS WORKING WELL.