This location has 12 unit’s total. Unit 1 is low on refrigerant charge and I recommend a leak search. Unit 2 needs the condenser coil cleaned and refrigerant charge checked after cleaning. Unit 3 heat is working ac charge is very low- need to check charge and perform a leak search Unit 4 heat is working ac charge is low- need to check charge and perform Unit 5 needs common wire added to the thermostat. System is heating and cooling. Outdoor coil is dirty and needs to be cleaned so we can check charge on a warmer day. Unit 6 needs common wire added to the thermostat. System is heating and cooling. Outdoor coil is dirty and needs to be cleaned so we can check charge on a warmer day Unit 7 has a bad compressor and a refrigerant leak(disconnect is off for the outdoor unit and thermostat is set in heat) Unit 8 need the common wire wired to the thermostat and neeeds the outdoor coil cleaned( recommend seasonal maintenance). Unit 9 has a clogged drain line, water is in the eme