Performed AC cool check on two systems. Checked electrical, mechanical, safety, and performance of the systems. The air handlers and blower wheels are clean. The electrical wiring is tight and in good condition. Drain lines were cleared and flow tested with water. The drain lines were then treated. The condenser fan motor on the Carrier condenser is showing signs of overheating. The capacitor is within value and the refrigerant charge is within spec. The Trane condenser is a variable speed inverter unit. The system is in good condition and the refrigerant charge is within factory spec. The condenser coils were cleaned. No other major issues were found.