50. Construction - Eco House - Passive House vs. Passive Solar

Often confused because of their similar names, these two concepts differ greatly.

Passive House refers to the airtight, mechanically ventilated and thermally efficient system.

Passive Solar is a house designed to absorb winter sun within its thermal mass to release slowly during the cooler nights. In summer the higher sun is shielded from the thermal mass by shade devices. Cross-ventilation is also integral.

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