BuildHEAT - Standardised approaches and products for the systemic retrofit of residential Buildings, focusing on HEATing and cooling consumptions attenuation

  • Dates: September 2015 – October 2019
  • Project website:
  • Leader: EURAC
  • Grant agreement number: 680658
  • Financied by


Heating and cooling in the construction sector offer unique opportunities to decarbonise the European economy. However, as the replacement rate of the existing stock is very small (1-1.5 % per year), acceleration is needed. On top of this, this sector poses tremendous challenges due to its extreme fragmentation: (more than 50% of the residential buildings are owned by private single owners) and the fact that it is largely dominated (more than 95%) by SMEs.

In this context BuilHeat will develop a set of reliable, energy efficient and affordable retrofit solutions. Despite the affordability, innovative solutions are more expensive compared to conventional ones. Therefore financing models are needed to facilitate the massive entry to market of the new technologies, which is one of the main issues that BuildHEAT will address.

Finally, the project involves the entire construction chain – from owners to professionals to investors – in the retrofit process and all along the lifetime of the building, by addressing technical, behavioural, cultural and economic perspectives.


BuildHEAT aims to promote the retrofitting of residential buildings, addressing some of the main challenges of this sector, such as its extreme fragmentation and the low participation of large industrial partners.  To achieve this purpose BuildHEAT will:

  • Elaborate systemic packages for the deep rehabilitation of residential buildings
  • Develop innovative, reliable and affordable retrofit solutions facilitating the implementation of the renovation measures
  • Develop financial tools enabling large public and private investments to promote the retrofitting actions
  • Involve the entire construction chain (from owners to professionals to investors) in the retrofit process and all along the lifetime of the building


The specific actions taken by CIRCE are:

  • Design and manufacturing of the first Multi Control Inverter.
  • LCA Analysis of the results and of the three demo cases.
  • Energy audit of the three demo cases and collaboration to monitoring.
  • Elaboration of business models for the Multi Control Inverter.
  • Training session organization.


Logotipo CIRCE a color con recuadro gris sin leyenda