A:Answer Hello! Automatic defrost is a technique which regularly defrosts the evaporator in a refrigerator or freezer. Appliances using this technique are often called frost free, frost-less, or no-frost. Hopefully, this helps. If you have any additional questions, comments or concerns, please contact us directly at 800-374-4432 M-F, 8:30 am- 8:00 pm. ~Briana