Is Passive Solar Design Irrelevant?

Is Passive Solar Design Irrelevant?

Passive solar design principles have been recognized for decades and are on display in Frank Lloyd Wright’s Solar Hemicycle designs, to cite one high-profile example.

Once lauded for providing “free heat,” passive solar design principles are now recognized as being less effective at maintaining indoor comfort than superinsulated buildings.

As a new generation of do-it-yourself builders got busy experimenting in the 1970s, passive solar design ideas proliferated. Builders claimed that attached sunspaces, solar collectors, trombe walls, earth ships, and many more ideas could keep a house comfortable with minimal or zero use of fossil fuels.

Superinsulated designs, likewise, saw intense development in the 1970s, and have come to the forefront of green building thanks to the Passive House standard. This demanding approach focuses on improving air-tightness and insulation, decreasing thermal bridging, and setting rigorous levels for energy use.

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