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- Are Passive Houses cost-effective?
- are evenly plastered, the roof structures contain airtight membranes, which are plastered up in the knee wall area. Based on existing experience, **airtightness corresponding to n<sub>50</sub>=0.4 h<su... is – in fact, costs are reduced because increased airtightness prevents building damage, the repair of which is much more expensive than the one-off investm
- Economy and financing of efficiency: new buildings, renovation and step by step retrofit
- lly due to damaged components to be changed or repaired. This is the point in time when energy upgrade
- Superior thermal protection is affordable
- s consists of the basic costs for scaffolding, repairs, new plaster or new roof covering, detail adjust