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Old 03-31-14, 02:52 PM   #6
jonr
Lurking Renovator
 
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I agree with the concepts. The ventilation will remove much of the solar energy hitting the roof and east/west walls. But not all, so some btu will move from the double wall cavity into the house. Thermal mass of the interior may be enough to absorb these btus and maintain the interior at a temperature below daytime ambient. Especially if the inner wall is insulated.

I'd add an additional feature in climates with moderate humidity - misters. Water mist injected into the double wall cavity will remove btus without adding to the interior humidity.

Trees and vines are other techniques for providing shade and a limited amount of evaporative cooling.

Last edited by jonr; 03-31-14 at 03:00 PM..
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