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Raising the efficiency of boiler installations

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Installed boilers do not operate as efficient as they could. Whilst test cases demonstrate that boilers could achieve very high efficiencies, their practical performance in the field is much lower due to serious shortcomings in real installations. Starting from this observation, two new market approaches were developed and evaluated by a field test within the EU IEE project BOILeff. The project now presents the results on its website.
The first market approach is called 'Quality Declaration'. The declaration provides a checklist of quality criteria for outstanding boiler installations. It will be issued by installers and should form part of contracts with end consumers. The second approach is referred to as 'Performance Guarantee'. It centres on guarantees of high seasonal efficiencies and energy savings of new heating systems.
These new services will raise the awareness of the end-user in order to differ between high and low quality heating installations, creating WIN/WIN/WIN situations for the installers by higher turnover rates for end-consumers by lower energy consumptions in the long run and for the society by decreasing the import dependency from fossil fuels and by the reduction of greenhouse gases.

Achieved results

The outcome of the BOILeff action may be summarised as follows:
  • 75 audits were carried-out showing the different short-comings of boiler installations in the participating countries
  • Successful development, deployment and verification of two new market approaches (DHQUI & GPQU)
  • 352 end-consumers and 110 installers declared interest in DHQUI and GPQU services in the participating countries: Austria, Germany, Hungary, Spain and Greece
  • 44 installers and 249 end-consumers took part in the field testing exercise, 29 boilers were equipped with test equipment
  • Energy savings of 203.500 kWh/year and greenhouse gas reductions of 73,1 t/year could be achieved by the field tests
  • Higher seasonal efficiencies between 7 and 17 percentage points could by achieved by BOILeff installations in comparison to standard systems
  • By the implementation of high quality installations the energy savings potential varies – depending on the project partner – between 169 MWh/year in Spain to 4.300 GWh/year in Austria. In countries like Austria about 13 % of the final energy demand could be saved when the total stock is replaced by high quality heating systems.
  • 18 Press releases, 8 papers and 35 presentations were carried-out during the course of the action