This is a concept you may come across if sustainability is important in your renovation or new build. "Passive house" (German: Passivhaus) is a voluntary standard for energy efficiency in a building, which reduces the building's ecological footprint. It results in ultra-low energy buildings that require little energy for space heating or cooling.
It is the practice of taking note of the local climate and site conditions and making sure your home design maximises the benefits these can offer to create a comfortable internal environment.
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