18 March 2011
Thermally driven heat pumps and chillers have experienced a revival in recent years, with substantial market
growth being observed in many areas such as solar cooling or domestic gas heat pumps. Both the market
and policies are now calling for testing and performance evaluation standards to ensure a sustainable market
growth and competitiveness of the technology. A proposal for a uniform and transparent evaluation procedures
is currently being developed within IEA HPP Annex 34.