CAME OUT ON A FREE SASC. CHECK THERMOSTAT, CHECK AIR FILTER, INSTALLED A 3.5 TON FURN/EVAP/CONDENSER W/ 2 T-STATS. MADE SURE SYSTEM WAS INSTALLED PROPERLY. MADE SURE WORK AREA WAS CLEAN WHEN FINISH. CHECKED DRAINAGE, CHECK ALL ELECTRICAL CONNECTIONS. EVERYTHING IS RUNNING GREAT.