Newly certified 制造商 Certification criteria

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Roof windows

Roof windows are among the most thermally demanding elements of the building envelope – their horizontal or steeply pitched position significantly increases heat loss and condensation risk compared to vertical windows. Thermally optimized frame constructions, high-performance insulated glazing and warm-edge spacers minimize heat loss and thermal bridges – ensuring high interior surface temperatures, condensation-free performance and meeting of certified Passive House criteria.

Planning tool for energy efficient buildings

PHPP export components

Download an export file of our components that you can easily import into PHPP.

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