Demo Sites

The SunHorizon project is a “Demonstration-to-market”, which aims to identify the ultimate technical and non-technical barriers to be overcome before the commercialization of the products in 2023-2025.

The project will install SunHorizon TPs in different type of buildings and climates to evaluate climatic and energy market solutions towards Technology Package (TP) techno-economic feasibility assessment. They will test the hardware, smart monitoring and management tools in different contexts and countries.  Indeed, SunHorizon includes eight demonstrators, in nine different buildings. Moreover, a robust and wide EU demonstration campaign will be performed for 18 months to have two compete heating seasons monitored for benchmarking.

Demo sites will be also open for demo visits during SunHorizon Open Days part of the project dissemination plan.

SunHorizon demonstrators will tackle the demonstration of optimised, cost-effective H&C components and their coupling (i.e. technology packages) in different operational (TRL 7) environments across EU:

  • Cold climate (C): Riga (Latvia), Berlin and Nürnberg (Germany)
  • Average climate (A): Madrid (Spain) and Cluj-Napoca (Romania)
  • Warm climate (W): San Cugat del Vallès (Spain)

The project will evaluate also different energy market solutions:

  • Small and large scale residential (single house and apartment blocks)
  • Tertiary buildings (public buildings, sport centers)

The spatial distribution of the demo cases, together with the consideration of most common residential and tertiary building typologies, will ensure a swift and straightforward replication of the SunHorizon results all across EU.

Demo sites Climate Building type TP Results from simulations
1 Berlin, Germany Cold Small residential TP1 32% of primary energy savings
25% renewable energy ration
578 EUR/year cost bills reduction 
2 Nürnberg, Germany Cold Large residential TP2 ~ 22% of primary energy
31% GHG emissions savings
15% renewable energy savings
32% cost bills reduction
3 Sant Cugat del Vallès, Spain Warm Tertiary (civic centre) TP3 ~5-50% of primary energy savings** according to the position (high / medium / low solar zone)
4 Madrid, Spain Average Large residential TP4 ~76% of primary energy
84% of costs savings
37% of self-consumption ratio from PV
5 Cluj-Napoca, Romania Cold Dormitory TP1 Not in the monitoring phase yet
6 Riga, Latvia Cold Small residential TP2 ~37% of primary energy and costs savings
43% of self-consumption ratio from PV


The TP5, composed of mixed solar-driven and parallel integration, is only tested in simulation. This consists of 3 locations and 2 types of buildings (tertiary and apartment buildings).

** Compared with air handling unit supplied by an old reversible heat pump

    Agree with Terms of Service