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Passive House - Ukrainian Initiative Group - a voluntary, private, non-profit organization of professionals in building and other industries, and individuals of Ukraine.
Support and promotion of the energy-efficient building Passive House Standard (Passive House Institute, Germany) in Ukraine,
as Building energy-efficient Standard with adapting it to Ukrainian climatic, geographic, building and cultural experiences and traditions. 
OBERON KONZEPTBAU proves, with more than 10 years of practice, that its name is a synonym of high quality at the construction sites in Bulgaria and Germany. Based on knowledge and experience from many years of practice in Germany, the company has utilized modern and high technology methods in work and meets modern requirements for the first-class buildings.
DEDAL Ltd is founded in 1999. The company has a Certified Passive House Designer in the team. The company is specializing in preparing building professionals, designers, and construction supervision for Passive Houses. At the center for professional training to the professions "Construction Technicians", "Builder," "Builder - installer" and "Installer of water supply and sewerage system" has been added a module " Passive Buildings".
"MORE ABOUT THE HOUSE" is a monthly online magazine for architecture, construction, furniture, and landscaping. It has been designed for a wide range of readers. "MORE ABOUT THE HOUSE" presents projects and house renovations, advice and information on the latest technologies and building materials of the family house.
CityBuild.Bg - informational website about architecture and construction in Bulgaria, which was established in the fall of 2006. The ambitions of the team of CityBuild.Bg are to present new and timely information to the readers interested in the development of the architecture and construction, and the other related activities.
Kolikovski Boutique Hotel is a new modern building located in the very heart of Sofia – between the two main central boulevards – “Vitosha” and “Patriarch Evtimii”. It elegantly mingles with the surrounding old buildings built by Austrian architects during the last century and it adds to the refined, classical and aristocratic spirit of old Sofia.