Community Research and Development Information Service - CORDIS


Publishable final report of project JOE3-CT95-0006.

Prototypes were developed, constructed and analyzed for the following applications:
- hot water heat pumps for residential applications
- commercial heat pumps for water heating and heat recovery
- heat pumps for space heating for retrofitting existing high-temperature systems
- heat pumps for dehumidification and drying processes in residential and commercial applications

Design guidelines were developed for different applications by the responsible partners. These give a condensed overview about the essential topics, which have to be treated by further development and construction of CO2 heat pumping systems.

Conclusions resulting from extended analysis are, that the risks related to the use of CO2 in heat pumps are low and acceptable if the charge is limited such that concentrations in rooms after release of the charge are less than some 5%. some 5%.

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