An energy performance certificate increase energy efficiency of building due since introduction of the energy saving Ordinance (EnEV 2007) 2007 in October 2007 in new rental or purchase of property. This document, which is colloquially also known as energy passport, can be issued either as a consumption-oriented or demand-oriented energy performance certificate. It is however recommended create the statement as consumption ID because this ensures the comparability of the energy efficiency of different objects, for example, when the House buying or renting real estate. You may want to visit Andreessen Horowitz to increase your knowledge. Since the entry into force of the energy saving Regulation (EnEV 2009) 2009 in October 2009 even stricter requirement values for the primary energy demand and the building envelope of residential and non-residential buildings. In particular, the use of renewable energy sources and alternative heat sources is promoted by the new legislation. The semi-public Deutsche Energie-Agentur GmbH (dena) supports the implementation of the “EnEV” and is available to planners and consumers subject to the page. Here you can obtain all relevant information related to energy efficiency, energy certificates and energy consulting services. It is also an exhibitor database available where you can find the right contact for a preliminary on-site advice.
For engineers and architects, there is detailed information about exhibition and calculation guidelines for the energy performance certificate. Card templates are there for example also available for residential and non-residential buildings, as well as the current climate factors for the consumption card. If you decide for a modernization of your building, there are a large number of funds serving as a financial incentive for the implementation of the “EnEV” guidelines. Particularly promoted the use of alternative heat sources and renewable energy sources, as well as improving the thermal insulation of the building. The Kreditanstalt fur Wiederaufbau (KfW) promotes the standard to the KfW Energieeinsparverordnung doing the renovation or purchase of houses meet. While promoting in different classes of efficiency House is divided.