Complete 2 system a/c repair and preventative maintenance check. Indoor, changed media filters for the customer and cleared drain line. Checked electrical connections, amp draw, and capacitance. Recommend installing a secondary water safety switch to each system. Outside; cleaned condenser coils and checked refrigerant pressures. Checked electrical connections, amp draw, and capacitor. Recommend installing a compressor assist kit to the upstairs compressor. Both systems are operating within manufacturer specs at this time.