Arctos Portable AC Among the disadvantages fans and air conditioning have in common is that the air that is generated is usually dry. Although it can be cool, it is generally not as wonderful as breathable air. Also, generally, an unfavorable consequence on the skin and eyes. Air colders, on the other hand, generate large amounts of air. As a matter of fact, they use hot air and water for their cooling result by the natural process of evaporation. Evaporative Cooler Advantages. Arctos Portable AC Air Cooler Device What makes evaporative coolers so much better air conditioning options? There are numerous benefits. Cost-efficient cooling. The Arctos Portable AC air cooler device evaporative coolers cool the air; not just distribute as hobbyists. The traditional air conditioning system for use of compressors, as well as refrigerants, which are increasing energy expenditure.