The first district heat and cool system in the country using unprocessed wastewater as heat source.
It is the only heat supply business using wastewater.
As the heat source is unprocessed wastewater, it can be installed in the center of the city.
Currently, it provides cold and warm water to the 126,000 m2 of Koraku 1-Chome area in Bunkyo-ku. The plans are to increase the supply to 280,000 m2 eventually. |

Heat Exchange Device
Heat supply system using unused
energy for Koraku 1- Chome area |