According to a recent survey commissioned by the Deutsche Energie-Agentur GmbH (dena) give 71 percent of homeowners to know the weaknesses of their building, where energy is lost. However, as this energy loss can be slowed down most efficiently about often unclear.
Berlin (red) - are the same time, a homeowner after dena data are not too sure about the actual level of energy costs. Almost half of respondents (47 percent) white only about how high their costs for heating, electricity and hot water.
often simply regulate the heating down or very issue, so do 84 percent of respondents to reduce the costs. And 72 percent rely on the use of energy-efficient appliances and light bulbs. Just over half of respondents (57 percent) believe that can be reduced with façade insulation, window replacement or renovation of the heating system energy costs. The responses show that the potential savings through energy recovery will be underestimated. Heating and hot water account for 85 percent of the energy consumption of a private household. Of these, a considerable part be saved. Numerous practical examples show: in many cases 50 percent energy savings are possible, through highly innovative rehabilitation as much as 90 percent.
The certificate provides clarity about the future, how energy efficient their own building in comparison to the other guys. Individual modernization tips are included with each card and show can be saved as the most effective energy. The energy certificate is therefore an important tool for building owners who want to know whether there are still opportunities for improvement in their house and what they could do to modernize their buildings.
The representative survey was conducted by polling firm GEWIS on behalf of the dena. Asked were more than 1,000 home owners and owners in Germany.
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