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Old 05-11-2009, 09:54 AM  
rowan
Too lazy to set a custom title
 
Join Date: Mar 2002
Location: Australia
Posts: 17,393
Quote:
Originally Posted by Easton View Post
as for our cost, that's because we have to run all 3 A/C units all the time from May-Sept to battle the insane heat

until someone has visited Phoenix in August they don't understand
Are they refrigerative or evaporative coolers? (I think you call them swamp coolers)

I've become interested in more passive cooling lately... next summer (it's winter here) I'm going to experiment with regularly misting the roof tiles with water. The idea is that the mist evaporating - almost instantaneously - cools the tiles, dissipating heat from the roof space and therefore cooling the house. It won't drop the temperature to anywhere near "chilly" but it means the refrigerative (and noisy/expensive) A/C unit doesn't need to work as hard.
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