About the ventilation of dwellings in very low-energy houses in the Czech Republic

Low-energy buildings up to the passive house level slowly become generally accepted also in Tschechien, which is naturally connected with suitable ventilation strategies. The contribution presents the most frequently used technical systems and discusses those properties and acceptance. The number of built very low-energy houses in Tschechien tends to rise, the absolute numbers are still very low. Still several barriers are to be overcome, whereby the technical questions represent only one part.