In a world full of air conditioners, have you met its reliable, economical and equally efficient counterpart, the good old air cooler? As the name suggests, it's an air cooling device that will help drop the temperatures around you, and can be used by those living in hot, dry weather conditions. If the air quality is dry, chances are that an air cooler will be a better and an eco-friendlier option for you as it tends to perform better and last longer given the harsh weather conditions and the unbearable heat.