CAME OUT ON A SERVICE CALL, NO AC. INSTALLED 3.5 TON PACK UNIT W/ IWAVE O N PAC AND REMI ON 4 TON. MADE SURE SYSTEMS WERE INSTALL PROPERLY AND WORK AREA WAS CLEAN WHEN FINISH. CHECK THERMOSTAT, AIR FILTER, FREON, DRAINAGE, COMPRESSOR DELAY SAFETY CONTROLS, AND ALL ELECTRICAL CONNECTIONS. CHECK AIRFLOW AND BLOWER COMPONENTS. EVERYTHING IS OPERATING GREAT.