LG top freezer double door refrigerator has a new cooling system that ensures even temperature throughout the refrigerator. Circulating air from the vents along with the back, It makes sure every corner of the refrigerator is cooled evenly. LG door cooling makes inside temperature more even and cools the refrigerator 35% faster than the conventional cooling system. This reduces the temperature gap between the inner part and the door side of the compartment; thus letting the food remain fresh for long.