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The application of physics to the built environment, particularly with regard to the movement of heat, air, moisture, pollutants and light through buildings.

2 votes

Why is an air conditioner more efficient in a low-thermal-mass house?

Your own (David Cary's) answer is good, but there is one thing you've overlooked, which might make a big difference in some situations. This is simply that there might periods of the day in which you' …
N. Virgo's user avatar
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6 votes
Accepted

Water flushed down, water pumped up (in buildings)

In theory, yes, this could be done. Pretty much exactly as much gravitational energy is lost by the water coming down as is gained by the water going up, so you could then supply the water while hardl …
N. Virgo's user avatar
  • 34.9k