Performed diagnostic on 1995 hydronic system. Homeowner is dissatisfied with the noise the system produces while running the unit. Noise is due to design of system . Grill on door is undersized creating poor airflow. Added seal on door panel to reduce noise. Inspected outdoor unit. Refrigerant levels are ok. Coils are deteriorating. Compressor is having trouble starting. Condition was discussed with the homeowner. They want to go over system options with a supervisor. Darren is scheduled to return.