INSTALLED 3 TON HP/F/COIL. MADE SURE EQUIPMENT WAS INSTALLED PROPERLY. WORK AREA WAS CLEAN WHEN FINISH. EARNED FREE SASC. CHECK CONDENSER COIL, THERMOSTAT, AIR FILTER, AIRFLOW, DRAINAGE, GAS PRESSURE, AND ALL ELECTRICAL CONNECTIONS. EVERYTHING IS WORKING GREAT. THERE ARE 2 UNITS.