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How a Building meets the Passivhaus Standards
Takumi Sloan • December 12, 2019
With the increase of low energy buildings its crucial to understand how a building can meet a standard like Passivhaus:
- It must have an annual heating and cooling demand of no more than 15
- The energy used to generate electricity must not exceed 60
- The air changes per hour must not exceed 0.6@ 50 Pa. Moreover, the air changes per hour must also be tested once the membrane is built and must achieve below 0.6 to ensure it’ll achieve 0.6 at final build.
- The summer overheating must not exceed 10%
If these criteria aren’t met then a building can qualify for other standards like PHI Low Energy Building, EnerPhit or AECB Building Standard.
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