Exp-HEAT is a project funded by the EU under the 7th framework program (FP7). Its full title implies also its concept: “Energy recovery in new and retrofitted heat pumps using a dedicated expander concept”. The consortium consists of 3 RTD performers and 4 SMEs from Greece, Italy and Sweden. The project’s benefits are expected to promote technological and economical advantages for the SMEs, strengthening their competitiveness at an international level. At the same time, a high level of scientific innovation is ensured by the academic partners.