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Promotion of efficient heat pumps for heating (PROHEATPUMP)

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The overall goal of the project was to contribute to the reduction in the use of fossil fuels for heating purposes. The key objective of the project was to promote energy efficient heat pumps for heating. The project focused on the systems for the residential sector and SMEs, i.e. small to medium size heat pumps and in particular in the refurbishment stage where the needs for promotion is higher than for the new buildings. Promotion of heat pumps has been done by the means of improved and steady information for the target groups, end users and installers as well as policy makers. Another important project topic was the investigation and evaluation of the possiblities to combine heat pumps and renewables.


  • Increase the number of heat pump installations during the project time on selected target areas.
  • Suitable and practical information material for each target group (installers, end users and policy makers) on the possibilities and the advantages of heating using heat pumps
  • Improved marketing strategies to promote heat pumps in the European countries with low market penetration but high potential for heat pumps (based on experiences from countries with high market share)
  • Presentation of favourable conditions for the combination of heat pumps and renewables

Lessons learned

  • Differences of framework conditions in participating countries had been underestimated. The comparability of the chosen target areas is more complicated as expected. Differences in market situation, requirements on heat pumps, market chains, parameters of profitability of HP use, competition to other heating means are significant
  • Installing HPs in the renovation of old houses is problematic, as a serious energy audit often indicates that for a heat pump to be economic and effective, expensive additional measures like insulation of roof and wall cavities or a new heat distribution system would be required
  • Generally it can be stated that a developed gas grid seriously hampers the promotion of ground source heat pumps. The high cost of HP units and of drilling boreholes puts the price of a heat pump installation at between two or three times that of a gas boiler. Owners of newly constructed houses are reluctant to take out additional loans to finance a more expensive heating system even if in the longer term it would be much more cost effective.

Partners and coordinator

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swb Netze Bremerhaven GmbH & Co. KG
Rickmersstrasse 90
27568 Bremerhaven
Contact point: 
Ulrich Müller
0049-471 4771210


Key documents

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In brief

01/12/2006 to 31/05/2009
Contract number: 

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