Upon arrival found found 4 yr split 4 ton WC Heat Pump with evidence of refrigerant leak repair approximately 3 weeks ago. Refrigerant is holding at this time, water leak is present from clogged condensation drain line overflow and water is settling in drain pan with a back tilt. Condensation rain line has uphill slope in closet. Evaporator coil is rusted; Recommend reinstalling air handler, and performing leak search for a potential warranty repair on existing equipment or replacing with High Efficiency Variable Speed Heat Pump to address existing problems. Scheduled install for 8/5/24