DE SLIMME TRUC VAN HOME INSULATION DAT NIEMAND BESPREEKT

Germany established its requirements ofwel building energy efficiency in 1977, and the first energy code-the Energy Saving Ordinance (EnEV) which based on the building performance was introduced in 2002.[30] And the 2009 version of the Energy Saving Ordinance increased the minimum R-values ofwel the thermal insulation ofwel the building shell and i