Quote:
Originally Posted by freebeard
What a great analogy! All things being equal (  ), the hands down winner for efficiency is an hemisphere with an oculus.
Can I sell you on a Dymaxion-esque motor home?
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I was actually thinking of it in terms of solar energy gain in winter, where in fact you do want a long east-west axis compared with north-south. But of course, as with car aerodynamics, there's a lot more to energy efficient house design than just comparing two dimensions...