Cluj Napoca (Romania)
Demo responsible: Technical University of Cluj-Napoca (TUCN)
Type of building: Residential. It consists of students’ dormitories (1977; envelope insulated), including the campus restaurant. The available surface of the roof is 1150 m2.
Demonstration action:
- TP1, Parallel integration: Thermal output from solar thermal panels (TVP) to domestic hot water (DMW) tank. Together with complementary DHW heat demand supplied partially by a thermal compression heat pump (BoostHeat), and an existing gas boiler to cover non-solar periods
- Solar panels installed on a flat roof and connections to the boiler room
- BoostHEAT and thermal energy storage (RATIOTHERM) installation in the boiler room
- Integrated control system for the smart operation Redesign of the heating and DHW plant
Replicability potential:
- Possible replication to other 7 dormitories of the University campuses (possible to other universities in Cluj-Napoca)
- Other large residential buildings
- Scale-up the existing system to cover the needs of the whole dormitory
Technical risks:
- Limited risk in coupling innovative technologies
- Manage the operation of the TP to optimally meet the demand for space heating and domestic hot water
- Ensure appropriate meters are put in place to facilitate consumption data collection and assess the integrated system’s impact on the building performance
Estimated savings:
- 180 – 200 MWh/year natural gas reduction, representing about 20 – 25 % of the domestic hot water heat demand
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