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Last updated on July 25, 2024.

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Tokyo Gas Yokohamachuo Energy Co., Ltd.

The theme of this year's SDGs Challenge is "decarbonization." Know the decarbonization efforts of companies in the city and introduce your "likes."

Recycling of "water heaters" that make hot water at home

What is "water heater"?

What is "water heater"?
▲Water heater (Kyutouki), a device that makes hot water in the house

I use hot water every day in my life. The hot water in the washroom, shower, and bath can easily come out by twisting the faucet or pressing a button, but in fact, a machine called a "water heater" warms the water in the water to make hot water. Tokyo Gas Yokohamachuo Energy sells this water heater and replaces old water heaters that can no longer be used at home with new water heaters.

Recycling the contents of old water heaters that can no longer be used

Recycling the contents of old water heaters that can no longer be used
▲The contents of the water heater. Metals such as iron and copper are used.

When you open the water heater, there are many parts to make hot water. Old water heaters that can no longer be used are dismantled by human hands, and the parts inside are separated by resources such as iron and copper. By dismantling by hand, resources can be used without waste rather than using machines.

Recycling the contents of old water heaters that can no longer be used
▲The contents of the water heater are dismantled by hand.

Approximately 6,000 water heaters have been dismantled in one year, and the amount of resources that can be divided is about 180 tons. Metals used as parts of water heaters are reborn as resources for making new products without discarding them as garbage.

Recycling the contents of old water heaters that can no longer be used
▲The contents of the dismantled water heaters are separated by resource and recycled to create new products.

Recycling of water heaters has led to the reuse of limited resources and the reduction of waste. We will continue to contribute to the realization of a society where people can continue to live by recycling water heaters and other activities to promote SDGs.

Inquiries to this page

Nishi Ward Ward Administration Promotion Division Planning and Adjustment Section

Phone: 045-320-8327

Phone: 045-320-8327

Fax: 045-314-8894

E-Mail address ni-kikaku@city.yokohama.lg.jp

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Page ID: 710-959-490

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