Certified Refrigeration LLC is a Sub Zero Repair specialist offering Sub Zero Service in Sussex County, NJ. No matter the age of your Sub Zero, we are confident in our ability to restore your unit back to its original condition in one trip. We have been diagnosing and repairing Sub Zero refrigerators on the spot for over 35+ years. For anything from a small repair like your Sub Zero lights not working. To something larger like your unit not working altogether. We can fix just about anything on your Sub Zero in Sussex County, NJ.