^there are always tradeoffs.
You could build a square box with no windows and 4 feet of insulation...sure it would high a high R value and be warm, but would you want to work there?
Glass has a low R value and thermal issues for comfort control, but it provides natural light, potential for operable windows/ventilation, and architecturally is hot.
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"The destructive effects of automobiles are much less a cause than a symptom of our incompetence at city building" - Jane Jacobs 1961ish
Wake me up when I can see skyscrapers
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