CAME OUT FOR A SERVICE CALL FOR A/C. INSTALL 4TON 3PCS AC/FURN W/UV. MADE SURE SYSTEM WAS INSTALLED CORRECTLY AND WORK AREA WAS CLEAN WHEN FINISH. CHECK BURNER OPERATION, THERMOSTAT, AIR FILTER, AIRFLOW, FREON LEVELS, DRAINAGE, CONDENSER COIL, BLOWER COMPONENTS, AND ALL ELECTRICAL EVERYTHING IS WORKING GOOD.