Complete 2 Systems performed AHS Cooling Maintenance on both systems. US: Trane Straight A/C System: Checked thermostat and air filter. Checked blower motor amp draw. Checked all wiring. Inpected evap coil. Checked run cap. Made sure drain line was clear. Checked cfm and compressor amp draws. Checked all wiring at condenser. Cleaned electrical compartament, it was full of spider webs. Checked dual run cap. Checked pressures. Found system low in refrigerant. Could take about 2 or 3 lbs of 410A. Talked to HO, they said they will call AHS, to get a dispatch number, and get it transfered to us. Told them I could Add the refrigerant but they said they rather call the AHS. Rinse condenser coil. System needs refrigerant. It will need a can of leak stop as well. DS Trane Straight A/C System: Checked thermostat and air filter. Checked blower motor amp draw. Checked all wiring. Inpected evap coil. Checked run cap. Made sure drain line was clear. Checked cfm and compressor amp dr