PERFORMED CMA FULL SERVICE ON 6 SPLIT SYSTEMS, 3 MINI SPLIT SYSTEMS AND 2 GAS PACKAGE SYSTEMS. SPLIT SYSTEM 4 EVAPORATOR COIL WAS FROZEN OPEN ARRIVAL, DIAGNOSED SYSTEM FOUND GOOD AIR FLOW, ALSO FOUND A LOW DELTA T READING OF 11. READING ON DELTA T SHOULD AT LEAST BE 17, WHICH INDICATES SYSTEM IS LOW ON REFRIGERANT. THERE WILL BE A DEMAND TECH COMING SOON TO ADD REFRIGERANT IN SPLIT SYSTEM 4. GAS PACKAGE UNIT 2 HAS WATER IN THE BOTTEM OF DRAIN PAN, THE WATER IS LOWER THAN THE DRAIN LINE EXIT POINT OF THE UNIT. ALL OTHER SYSTEMS WERE OPERATING PROPERLY.