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Sustainable Architecture

The most efficient kilowatt hour is the one a building never needs. Passive house principles, generous glazing done right and facades that generate power show how comfort and low demand belong together.

15 kWhmaximum space heating demand per m² and year for a certified passive house
0.6air changes per hour at 50 Pa, the passive house airtightness limit
60 to 75 %annual yield of a south facade compared with an optimally tilted roof, roughly
Timber passive house with green roof and integrated solar array in a meadow at golden hourAI generated
Guides in Sustainable Architecture
Solar yield and payback calculatorAnnual yield, self-consumption, savings and payback for your roof. Open calculator