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A problem with passive solar household heating here in Colorado is that it is too sunny. Unless properly engineered, the house will be hot in the winter and a furnace in the summer. It turns out that ventilation and shading of the glass is important. Even in a regular house without any particular attention paid to solar heat, keeping things cool is the primary problem most of the year.

It is April 22 and we had our windows open all night because even though it got down to 5 C last night, today's high temperature will be around 26 C.

The power of the Sun is more than most people imagine--even in "temperate" climates.

by asdf on Fri Apr 22nd, 2022 at 04:27:54 PM EST
Some of the "early" solar homes of the 1970s had to be managed the way you would a sailboat, paying strict attention to sun and wind, ventilation and insolation.

We've learned, judging from experience, since then.

PS:  Some of the earliest solar homes, for instance Maria Telkes' phase change heat storage house, would have worked much better if they had paid more attention to insulation and air infiltration.

Solar IS Civil Defense

by gmoke on Fri Apr 22nd, 2022 at 04:48:04 PM EST
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My first student job, in about 1978, was to write a program to calculate sol-air temperatures by season and latitude, for various locations in New Zealand. Working for a professor of architecture.

It is rightly acknowledged that people of faith have no monopoly of virtue - Queen Elizabeth II
by eurogreen on Sun Apr 24th, 2022 at 10:08:21 AM EST
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