The Japanese are fighting the heat with ‘air-conditioned’ jackets – Technology – Science and technology

Instead of cooling the entire space, the Japanese use “personal” cooling jackets, which are said to be more efficient and environmentally friendly than conventional air conditioners.


Nautica Japan presented a cooling jacket with two fans.

How about a self-cooling t-shirt or jacket? Nonsense? In Japan, these technological gadgets are a big trend. Especially during this year, a lot of Japanese people have taken a liking to personal cooling jackets, which can help with the regulation of body temperature even in the greatest heat. Although they are often referred to as air-conditioned clothing, in reality they do not have an integrated air conditioner or a Peltier cell that would take heat from its surroundings. A fan is sewn into the jacket, which blows air between the layer of clothing and the skin and thus helps with cooling.

Cooling jacket from Nautica Japan. Photo: Nautica

cooling jacket, Nautica Cooling jacket from Nautica Japan.

The old invention is intended to help Japanese athletes and people working outdoors during the heat to cool down. This year, Nautica Japan started selling a special jacket with two built-in fans powered by a rechargeable battery with a 20-hour battery life. The owner can activate one of the five airflow modes while wearing it. The manufacturer is asking 350 euros for the jacket. This year, Japanese companies also started offering special cooling clothes for pets.

Source: Pravda – Veda a technika by

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