Energy Efficient
Retrofit Measures for
Government Buildings

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IEA ECBCS Annex 46
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Energy Efficient
Retrofit Measures for
Government Buildings
Annex46-de_e-Data Protection
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The national framework project for Annex 46 was provided by the EnOB research initiative. In the sector “Energy-optimised retrofitting of existing buildings“ („Energieoptimiertes Bauen in der Sanierung“), energy efficient retrofits and innovative retrofitting technologies heve been implemented in various pilot projects.
To the EnOB-Internetportal

On an international level, a related previous project
(IEA ECBCS Annex 36 "Retrofitting of Educational Buildings")
led to the development of the Energy Concept Adviser, a computer tool which is designed to support decision makers in the sector of educational buildings.
This tool features:
ECA Start_e
- Recommended solutions for typical building problems
- Exemplary renovation projects including results like energy savings, costs and associated experiences
- Information on renovation technologies  
- Assessment of the energy consumption of a specified educational building compared to the national average
- A calculation tool (based on German standard DIN 4108-6 and following DIN V 4701-10) allowing the early assessment of appropriate retrofit measures and combinations of such measures to support the preparation of a retrofitting concept.
The Energy Concept Adviser is either available on the Annex 36 websites or can be ordered on CD-Rom from the main developer and task leader of Annex 36.
To the international website of Annex 36 (incl. English language version of Energy Concept Adviser)
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Fraunhofer Institute for Building Physics