The same type of natural air conditioning can be seen in Western architecture as well. Transoms, or tiny windows above doorways, were used to keep interiors cool and ventilated before air conditioning became commonplace. Trees and shrubs are used for shade to keep the sun from creating too much heat inside homes, and exterior porches are used to keep windows protected from the harshest of the summer rays.
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Passive Cooling: Rock Wall. A Natural Thermostat: "Large rocks squeezed into together by 'wood shelves' insulate the South face of the house. The rocks absorb the heat during the day lowering the solar gain. At night the rocks give heat back into into the air as the temperature outside drops. The rock wall and the desert climate work in concert to passively cool the house."
PASSIVE COOLING A cross-section of a home with a solar chimney is shown. The solar chimney draws replacement air from the cool side of the house. Solar radiation absorbed by a metal absorber with a black selective coating causes high temperatures in the chimney, increasing updraft. Hot air exits the chimney through a rotating turbine at the top. The house-facing side of the chimney is insulated.