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A kotatsu (Japanese: 炬燵) is a low, wooden table frame covered by a futon, or heavy blanket, upon which a table top sits. Underneath is a heat source, formerly a charcoal brazier but now electric, often built into the table itself. Kotatsu are used almost exclusively in Japan, although similar devices are used elsewhere: for example the Spanish brasero or Iranian korsi.

History




The best part of winters in Japan! The Kotatsu culture! - LOCATIONS Honke Kanoya in Yoyogi 本家 かのや 代々木 (Kotatsu style restaurant) http://honke-kanoya.com/ Google maps https://goo.gl/maps/FqzfR PHRASES ...

The history of the kotatsu begins in the Muromachi period or Ashikaga shogunate during the fourteenth century. Its origins begin with the Japanese cooking hearth, known as the irori. Charcoal was the primary method of cooking and heating in the traditional Japanese household and was used to heat the irori. By the fourteenth century in Japan, a seating platform was introduced to the irori and its cooking function became separated from its seating function. On top of the wooden platform a quilt was placed, known as an oki that trapped and localized the heat of the charcoal burner. This early ancestor to the modern kotatsu was called a hori-gotatsu. The word hori-gotatsu (掘り炬燵) is derived from the kanji 掘り (hori) meaning ditch, digging, 炬 (ko) meaning torch or fire, and 燵 (tatsu) meaning foot warmer.

The formation of the hori-gotatsu was slightly changed in the Edo period during the seventeenth century. These changes consisted of the floor around the irori being dug-out into the ground in a square shape. The wooden platform was placed around this, making a hearth. Then the blanket was placed on top of the platform again, where one could sit with legs underneath to stay warm.

The moveable kotatsu was created later, originating from the concept of hori-gotatsu. This kotatsu came about with the popular use of tatami matting in Japanese homes. Instead of placing the charcoals in the irori, they were placed in an earthen pot which was placed on the tatami making the kotatsu transportable. This more modern style kotatsu is known as the oki-gotatsu. The word oki-gotatsu (置き炬燵) is derived from the kanji 置き (oki) meaning placement, 炬 meaning torch or fire, and 燵 meaning foot warmer.

In the middle of the twentieth-century charcoal was replaced with electricity as a heating source. Instead of having the moveable earthen pot of charcoals beneath the kotatsu, it was possible to attach an electric heating fixture directly to the frame of the kotatsu.In 1997 maximum number (approximately two-thirds) of Japanese homes had the modern irori and 81 percent had a kotatsu, but today they warmed by using electricity, not glowing coals or charcoal. Thus, the kotatsu became completely mobile with electricity and became a common feature of Japanese homes during winter.

Types


Kotatsu Heated Table | DudeIWantThat.com
Kotatsu Heated Table | DudeIWantThat.com. Source : www.dudeiwantthat.com

There are two kinds of kotatsu used in Japan today, differing in the configuration and the type of heating:

  • Electric: The modern style of kotatsu, oki-gotatsu (置き炬燵), consists of a table with an electric heater attached to the underside of the table. This evolved from a clay pot with hot coals placed under a table. The kotatsu usually is set on a thin futon, like a throw rug. A second, thicker blanket is placed over the kotatsu table, above which the tabletop is placed. The electric heater attached to the underside of the table heats the space under the comforter.
  • Charcoal: The more traditional type is a table placed over a recessed floor, hori-gotatsu (掘り炬燵). The pit is cut into the floor and is about 40 centimeters deep. A charcoal heater is placed somewhere in the pit's floor, walls, or, as in the modern-style kotatsu, attached to the table-frame. There are pit-type kotatsu with an electric heater too.

Use


Kotatsu - Wikipedia
Kotatsu - Wikipedia. Source : en.wikipedia.org

In the twenty-first century, the kotatsu typically consists of the electric heater attached to the frame, which is no longer limited to wood, but may be made of plastic or other materials. Generally, a blanket (or shitagake) is draped over the frame and heater and under the table-top. This first blanket is covered by a second heavier blanket, known as a kotatsu-gake (火燵掛布). Kotatsu-gake often are decorative and may be designed to match home décor. A person sits on the floor or on zabuton cushions with their legs under the table and the blanket draped over the lower body. The kotatsu was designed when people most commonly wore traditional Japanese style clothes, where the heat would enter through the bottom of the robes and rise to exit around the neck, thus heating the entire body.

Most Japanese housing is not insulated to the same degree as a Western domicile and does not have central heating, thus relying primarily on space heating. Heating is expensive because of the lack of insulation and the draftiness of housing. A kotatsu is a relatively inexpensive way to stay warm in the winter, as the futons trap the warm air. Families may choose to concentrate their activity in this one area of the house in order to save on energy costs. In the summer, the blanket may be removed, and the kotatsu used as a normal table.

It is possible to sleep under a kotatsu, although unless one is quite short, one's body will not be completely covered. This generally is considered acceptable for naps, but not for overnight sleeping for many reasons: one's body is not completely covered, yielding uneven heating; the table is low, so one may touch heating elements accidentally when moving while asleep, risking burns. Traditionally, children are told that they will catch a cold if they sleep under a kotatsu. Pets such as cats frequently sleep under kotatsu, however, and are small enough to fit completely underneathâ€"comparable to cats who sleep on floor heating vents in Western countries (Japanese homes do not generally have floor heating vents).

During the winter months in Japan, the kotatsu often is the center of domestic life. In the evening family members gather around the kotatsu to enjoy food, television, games, and conversation while keeping the lower half of their bodies warm. It has been said that "once under the kotatsu, all of your worries slip away as a familiar warmth takes over and you become completely relaxed."

Other countries


Japanese Living Room With Kotatsu - Table With Heating And ...
Japanese Living Room With Kotatsu - Table With Heating And .... Source : www.123rf.com

There are similar systems in countries around the world: economical and often sociable ways to keep warm while sitting still. In Spain and Portugal, the mesa camilla is a small round table with a brasero heater (i.e. a brazier) placed underneath. The Netherlands used to use a foot stove. In the First World War, British Royal Engineers built 'Japanese footwarmers' in the trenches.

For centuries, a very similar item called a sandali has been used widely in Tajikistan and Afghanistan. They are used even today in many traditional houses, as a warm family eating place. A similar product called a korsi is used in Iran.

In China and Korea, underfloor heating traditionally is used. The devices used in a similar fashion are, respectively, a Kang bed-stove and an ondol.

See also


This Heated Kotatsu Table Lets You Nap, Work, Or Eat While Keeping ...
This Heated Kotatsu Table Lets You Nap, Work, Or Eat While Keeping .... Source : odditymall.com

  • Chabudai, a short-legged table used in traditional Japanese homes
  • Hibachi, a traditional Japanese heating device
  • Electric blanket
  • Water heater blanket
  • Korsi

References


Best Kotatsu Tables of 2020 - Traditional Japanese warm tables
Best Kotatsu Tables of 2020 - Traditional Japanese warm tables. Source : www.kotatsutable.org


Japanese Kotatsu Table with Heated Blanket | Man of Many
Japanese Kotatsu Table with Heated Blanket | Man of Many. Source : manofmany.com


Japanese living room with kotatsu - table with heating and ...
Japanese living room with kotatsu - table with heating and .... Source : www.alamy.com


Wouldn't it be nice with a kotatsu! (video) â€
Wouldn't it be nice with a kotatsu! (video) â€" visual ioner. Source : visualioner.com

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