| Partners | Name | Country |
| BEAR | BEAR Architecten B.V. | The Netherlands |
| DWA | DWA Installatie- en Energieadvies | The Netherlands |
| GERTEC | GERTEC GmbH Ingenieurgesellschaft | Germany |
| ESV | O.Ö. Energiesparverband | Austria |
| FEWE | Fundacja na rzecz Efektywnego Wykorzystania Energii | Poland |
| BCEI ZRMK | Gradbeni institute ZRMK, d.o.o. | Slovenia |
| RAEE | Rhônalpénergie-Environnement | France |
| SEC | Sofia Energy Centre | Bulgaria |