2017 5t electric. 2006 upstairs unit, r22 leaks in coil detected. Filter replaced. Drain line clear. Uv bulb out. Biological growth present. Compressor inrush amperage exceeds manufacturers specifications. Refrigerant charge acceptable. Low voltage wire unprotected. Contactor has heavy pitting and scorching. Homeowner declined all recommendations for optimal performance. Homeowner declined my invitation to inspect 2006 upstairs unit, but i still did a courtesy leak detection. Encouraged him on the upstairs unit but is not ready.