Energy Conservation - Scientific Assessment of Projects

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CO 2 emissions of Kronsberg area (households) Energy Concept: Expected CO 2 -Emissions 100% 90% 80% 70% 60% 50% 40% 30% 20% 10% 0% Reference (100%): CO 2 emissions of reference scenario according to german insulation regulation 1995 with separate gas condensing boilers quality assurance Quality assurance (-7%) (-7%) quality assurance (-7%) Low Energy House Standard (-17%) Low-energy house standard (-17%) CHP & district heating (-23%) CHP and district heating (-23%) electricity savings (-13%) electricity saving (-13%) wind energy (-20%) wind energy (-20%) Source: KUKA (Kronsberg Environmental Liaison Agency GmbH) 1998 microclimate zone, microclimate zone, photovoltaic, photovoltaic, solar district heating, passive houses (5 15% solar district heating. ifeu - Institute Heidelberg German-Sino Workshop January 23rd and 24th of 2007 URUMQI, Xinjiang, China 8
index for space heating [kWh/(m 2 *yr)] Actual Energy Consumption Indices for Space Heating Target Kronsberg standard: 50 – 55 kWh/(m 2 *yr) reference actual target passiv scenario consumption indices house Passive house standard: 13 kWh/(m 2 *yr) Source: ifeu 2003 ifeu - Institute Heidelberg German-Sino Workshop January 23rd and 24th of 2007 URUMQI, Xinjiang, China 9
Page 1 and 2: Energy Conservation - Scientific As
Page 3 and 4: Hannover Kronsberg: The new Vision
Page 5 and 6: Typical Structure: Multifamily Hous
Page 7: Energy Concept of Kronsberg N 1 5 3
Page 11 and 12: CO 2 indices [kg/(m 2 *yr)] CO 2 in
Page 13 and 14: Audit of energy conservation in Ger
Page 15 and 16: Saving potential in percent Saving
Page 17 and 18: To ensure good practise constructio
Page 19 and 20: To improve knowledge of all actors
Page 21 and 22: Conclusions � The economic saving

Energy Conservation - Scientific Assessment of Projects

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