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Old 02-15-13, 08:35 PM   #3
Christ
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Shade the house from direct sun, but not from airflow as much as possible.

Thermal mass works in both directions.

If you have a source of cool water around you, start a siphon flow through a radiator with a fan attached to it. It's free A/C. Keep a pan under it, it will attract moisture.

Save a lot of the rain water if you can, and keep it spraying on to the roof during the hot season. The high humidity makes it less effective, but evaporative cooling still works.

Depending on the type of house you have, instead of using the fan, you can radiate the cool from the water by installing tubing under the floor boards just like hydronic heater units do, although it's less effective as an overall cooling system.

Of course, you know that it's always cooler underground than it is on the surface. That applies when you build a hill, too. If you can waterproof part of your walls and build a 'hill' against the house, it will help.

Instead of tinning your roof, look at something like a green roof. It will actually make the water spray more useful and effective, too.

Other than that stuff, if we have more details abotu your situation, you might be able to get a few more suggestions.
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