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A chimney cowl or wind directional cap is a helmet-shaped chimney cap that rotates to align with the wind and prevent a downdraft of smoke and wind down the chimney. An H-style cap is a chimney top constructed from chimney pipes shaped like the letter H. It is an age-old method of regulating draft in situations where prevailing winds or ...
A solar chimney – often referred to as a thermal chimney – is a way of improving the natural ventilation of buildings by using convection of air heated by passive solar energy. A simple description of a solar chimney is that of a vertical shaft utilizing solar energy to enhance the natural stack ventilation through a building.
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Heating of the windtower itself can heat the air inside (making it a solar chimney), so that it rises and pulls air out of the top of the house, creating a draft. This effect can be enhanced with a heat source at the bottom of the windtower ( such as humans, ~80 Watts each [ citation needed ] ), but this heats the house and makes it less ...
A destroyed house with a car under it in Chimney Rock, N.C., on Sunday. (Khadejeh Nikouyeh/The Charlotte Observer. via Reuters) (via REUTERS)
Home prices by county (2021) <$100,000 $200,000 $300,000 $400,000 $500,000 $600,000 $700,000+ Cost of housing by State. This article contains a list of U.S. states and the District of Columbia by median home price, according to data from Zillow.