There are various heating in “Central heating”, “Отопление”, and “Caldaia” the worlds.

And, there is heating appliance “Kotatsu” that Japan is only in Japan, too.

Seemingly, it is seen the thing only of the multiplication of “Futon” by the desk.

However, this has defended the Japanese from the cold of winter from old.

　※There seem to be heating appliances that look alike also in Iran and Afghanistan.

“Hibachi” had been used for the heat source in old times.

 There was danger of the carbon monoxide poisoning, too.

 Radiating infrared rays in electricity is circulating chiefly now.

The wood construction is weak and the heat insulation power is weak to a Japanese house in the main current. However, if there is “Kotatsu”, the body can get warm enough, and the distance of the family become intimate in the vicinity, too.

“Kotatsu”, “Mikan”, and “Pot dish” are indispensable things in the winter of Japan.

“Kotatsu” has danger of sleeping ..the comfort reason.. as it is.

Many of people who use the kotatsu might become the dehydration feelings often sleeping as it is in the middle of the night, awake, and catch a cold at times.

The reduction of the room of improvement of the insulation efficiency and “Tatami” increases a Japanese house in recent years and the number of houses without “Kotatsu” either ..advancement.. is increasing.

However, the position of “Kotatsu” as an easy heating appliance seems to be unshaken it also in the future.

Please retrieve the interest by “こたつ”.