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ECN publicatie: facebook
Titel:
Performance of 10 heatpump systems in a field test; evaluation of data monitoring and experiences
 
Auteur(s):
 
Gepubliceerd door: Publicatie datum:
ECN Energie in de Gebouwde Omgeving en Netten 1-10-2005
 
ECN publicatienummer: Publicatie type:
ECN-RX--05-077 Conferentiebijdrage
 
Aantal pagina's: Volledige tekst:
7 Download PDF  (89kB)

Gepresenteerd op: European Conference and Cooperation Exchange on Sustainable Energy Systems 2005, Vienna, Austria, 5-8 oktober 2005.

Samenvatting:

The unit ?RenewableEnergy in the Built Environment? (DEGO) of the Energy research Centre of the Netherlands (ECN) has four research dwellings at its disposal to do integral energy research in buildings. Three of the research dwellings are equipped with a drainwater heat recovery (DHR) system in the drainwater pipe of the shower. The DHR system pre-heats the fresh (cold) supply water of the dwelling with the heat of the warm drainwater of the shower. Measurements show a heat exchange efficiency of 51% to 63%, depending on the installation and use of the pre-heated supply water. Furthermore is estimated that up to 3GJ primary energy can be saved annually using the DHR system. It should be mentioned that the annual saved energy strongly dependents on the installation of the DHR in relation to the domestic hot water system. This makes it difficult to predict the energy performance of the DHR.


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