Energy-efficient retrofit in Hannover
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Revision as of 09:43, 2 April 2015 by Clarence Rose (talk | contribs)
Brochure with information about: modernisation standards, construction, comfort, costs, heating systems, renewables, subsidies.
More information:
proKlima (2013) Altbau modern sanieren. Weniger Kosten - mehr Komfort.
