27 September 2009 | Liechtenstein , Lithuania , Luxembourg , Malta , Montenegro , Netherlands , Norway , Poland , Portugal
As its name suggests, Solar XXI was created with the objective of making extensive use of solar exposure.
The building is constructed to provide high internal thermal capacity with 5 cm expanded ...
In 2003, the Deutsche Energie-Agentur GmbH (dena) - the German Energy Agency - initiated the pilot project ”Efficient Homes” As part of the project, over 140 buildings have so far been refurbished ...
