2 Energy-Saving Retrofit of Facilities in the Large Compound Building

Takashi Momose, Shimizu Corporation
In a large compound tenant building, within which a district heating and cooling system is introduced, we focused on the considerable water transport consumption and reduced it. We investigated the existing facilities and determined the situation. The method used for water transport was changed from direct to indirect method as well as a planned reduction in energy by devising pump selection and control. Moreover, the management company, designers, builders, manufacturers collaborated on a plan and helped reduce the large conveyance energy of 74%.

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