PERFORMED PTU ON (1) TRANE SPLIT HEAT PUMP. FOUND CONDENSATION WITHN BLOWER COMPARTMENT CAUSING SMALL AMOUNT OF LEAKAGE INTO 1ST FLOOR BATHROOM CEILING. CUSTOMER STATED PREVIOUS TENANTS HAD TEMPERATURE SET LOW AT 67. FOUND EVAPORATOR COIL DRIPPING MIDWAY AND SUCTION PRESSURE/COIL TEMP SLIGHTLY LOW DUE TO LACK OF AIRFLOW. MOVED BLOWER SPEED FROM LOW TO MEDIUM SPEED. VERIFIED NO CRACKS WITHIN PAN, COIL IS CLEAN, AND PROPER DRAINAGE. PRESSURES WELL WITHIN SPECS. EVAPORATOR COIL IS NO LONGER DRIPPING. INVESTED IN ESA (1) SYSTEM.