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IEA HPT Task 41: Cold Climate Heat Pumps
The aim was to increase the efficiency of outdoor air heat pumps in cold climates in locations with low outside temperatures of up to -25°C. Newly developed heat exchanger concepts were tested and optimized regarding their icing behaviour. Different circuit modifications were modelled and simulation studies for low ambient temperatures were carried out.
IEA HPT Task 42: Heat pumps in smart energy grids for sustainable cities
The aim of Annex 42 is to analyse the technical possibilities as well as the economic/regulatory framework conditions of heat pumps for load balancing in smart grids, which are largely controlled by electricity supplier, and to investigate the impact on thermal consumers and possible potentials, in order to work out economic incentive models for load shifting and the benefits for energy supply companies and end customers on this basis.
IEA HPT WP H2 & CO2: Heat pumps for hydrogen and carbon capture
The energy transition requires new energy carriers, technologies, and infrastructure. Hydrogen and CO2 will play important roles and require new plants and infrastructure. This project analyses the potential of heat integration using heat pumps in H2 production and CO2 capture processes, as well as in the associated infrastructure, with a focus on cost and energy efficiency. The results will be prepared and disseminated as factsheets, concepts, and guidelines tailored to specific target groups.
IEA Heat Pumping Technologies (HPT)
The IEA Heat Pump Technologies programme develops and disseminates objective and balanced information on heat pumps, refrigeration technologies and air conditioning with the aim of exploiting the environmentally relevant and energetic potential of these technologies. This programme includes joint research projects, workshops, conferences and an information service (IEA Heat Pump Centre).