22 September 2005
Regional reports for North America, Europe and Asia/Oceania, summarizing market and technology status and trends for heat pumps, have been a traditional feature of the trennial IEA Heat Pump Conferences. These reports are an excellent resource for understanding the similarities and differences in heat pumping technologies in the major world regions. This article is based on the regional reports, discussions with the authors and other sources. The foucs here is on space heating applications, although air-conditioning, refrigeration and process heating are also important uses for heat pumps.