CLEAN AND CHECK HEAT UNIT. CLEAN AND CHECK BURNERS AND BURNER OPERATION. CHECK HEAT HIGH LIMIT CONTROL, LUBRICATE ALL NECESSARY MOVING PARTS, AND ADJUST BLOWER COMPONENTS. CHECK HUMIDIFIER, THERMOSTAT, AIR FILTER, AIRFLOW, ENERGY CONSUMPTION, AND ALL ELECTRICAL CONNECTIONS. INSTALLED 3 TON HP/COIL PREM 12 YR P/L, MADE SURE EQUIPMENT WAS INSTALLED PROPERLY, AND WORK AREA WAS CLEAN WHEN FINISH, EVERYTHING IS RUNNING GREAT,