Do Passive House buildings use solar panels, geothermal systems and wind generators to achieve their excellent energy efficiency performance?

The thermal performance or the efficiency of a building, and the energy source or technology used supply heat or electricity, are two different things. Renewable energy systems do not affect the thermal efficiency of the house itself. In a Passive House building the primary goal is to achieve a superbly well-insulated and tightly sealed building envelope, then introduce fresh air via a very high-efficiency heat recovery ventilation system. Renewable energy technologies can be used on Passive House buildings that want to go the extra mile and go beyond Passive House Classic certification.

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