"AC Fan" From a technical point of view, mobile air cooler chillers and ordinary use of power, cooling capacity is substantially the same. The difference is that air circulation design, general circulation cooler air flow is directed to the indoor air circulation, and mobile air cooler is to reduce the indoor air temperature, while also sucked into the fresh outdoor air to ensure that the exchange with the indoor air, there will never be "cooler" disease occurrence. This renewal wind duct design caused the indoor temperature does not drop very low. Under usual circumstances outside 36 ℃, the indoor temperature of about 28 ℃, the local area can reach 25 ℃. Consumers in the purchase, be aware that the biggest feature is the mobile air conditioning can cool down in the local area!