Read full paper at: http://www.scirp.org/journal/PaperInformation.aspx?PaperID=52359#.VJN7GcCAM4 Author(s) Rolf Katzenbach , Frithjof Clauss , Jie Zheng Affiliation(s) TU Darmstadt Energy Center, Technical University Darmstadt, Darmstadt, Germany . ABSTRACT An average energy consumption distribution in household at the worldwide level illustrates that more than three quarters of total consumption is contributed to room heating and almost 12% to water heating for all the living necessities. Although a slow fall of domestic energy consumption has occurred in the recent 20 years (from 1990 to 2011) with a regular decrease between ?1.2% and ?1.4%/year per dwelling as a result of a decrease income corresponding to...
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