India EducationDiary.com
Summary
Aalto University and Fortum are renewing the heating and cooling system of a block of 10 properties in Otaniemi to be carbon neutral and almost completely self-sufficient. The innovative implementation has received Motiva’s Energy Genius of the Year 2022 award. The solution is based on connecting local production and the district heating system, as well as low heat and cold networks
The energy solution being built in the Aalto Works block, brings heating, hot water and cooling with large, centralised air-water heat pumps for the area. Heat and cold are transferred to buildings with the help of new low heat and cold networks. In the same area, waste heat generated during cooling can be recycled, which improves the energy efficiency of production. The degree of self-sufficiency in production is 70–90 percent.
In addition, the regional network of the block will be connected to the district heating system, so that consumption peaks at the coldest times can be covered with renewable district heating if necessary. The construction of the second phase of the energy solution is underway and will be finally completed in the next few years. The first phase began at the beginning of 2021.
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