Nürnberg (Germany)
Demo responsible: BoostHEAT
Type of building: Multifamily residential (1897). Apartment block with 4 floors (320 m2) near the town center of Nürnberg. Solar energy potential: 50 m2. Existing individual gas boiler per flat supply space heating through radiator circuit, DHW storage withan electric heater. House Energy Label F. Yearly demand: 4 m3 wood, 14 MWh gas, 15 MWh electricity
Demonstration action:
- TP2, Mixed solar-assisted/ parallel integration: HP boiler (BoostHEAT) for space heating + DHW with existing gas boiler backup; Thermal output from solar hybrid PV-T (DUALSUN) to cover heat demand and to assist BoostHEAT evaporator; PV-T (DUALSUN) electricity production for building appliances.
HP boiler13 Adsorption chiller Reversible HP Solar thermal PV Thermal E. Storage RES installed14 — 50 kW — 28.5 kW 8.4 kW 5,000 l 71.8 kW - Solar panels installation on flat roof and connections to technical room
- BoostHEAT and tank installation in the technical room
- Integrated control system for the smart operation of H&C and electrical systems
- Redesign centralized SH and DHW distribution system for the 4 flats
- DHW and SH meters per flat for operation costs breakdown
- High performance in space heating and DHW from solar hybrid PV-T (DUALSUN) and thermal energy storage (RATIOTHERM) + HP boiler (BoostHEAT)
- Electricity production from solar hybrid PV-T (DUALSUN) increases building self-consumption
Replicability potential:
- Apartment blocks (and tertiary buildings) with natural gas connection. New and renovated buildings
- All climates
Technical risks:
- Very limited risk in coupling both innovations (i.e. HP boiler and solar hybrid PV-T)
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