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+ - How do I cool a home without air conditioning? 2

Submitted by vsanjay
vsanjay (1668351) writes "Summer is fast approaching and here in the South of India, temperatures are ready to soar above 45'C. I am left wondering if I should go for that window air conditioner unit after all. I've lived with evaporative coolers all my life (24-1/2 years), but these coolers are very noisy and only work when the humidity's low. Their efficiency (cooling vs electricity consumed) is highly questionable and they also use up several litres of water every night. I wouldn't mind spending the $500-600 (Indian Rupees (INR) 20,000 +) on a new AC unit, however my concern is the fat electricity bill at the end of each month. As an AC newbie I also wonder why I have to cool the entire room, table, my bed, the computer and everything else when all I want is to cool myself.

I'd rather spend that $500 on something that would keep my room cool naturally (or atleast energy efficiently) so I can spend those extra Rupees on something more useful. Have you got any ideas, fellow Slashdotters? FYI, I live in the level one apartment of a 5 storey building and my room does not face the sun. My house, like most houses in India, is made of concrete so that is pretty good insulation (I believe)."
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How do I cool a home without air conditioning?

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  • I live in New Orleans, Louisiana. The weather here is very similar to southern India. I use 1 window unit to cool my bed area. It is a 5000btu AC unit and it cools the area 10'x15' very well using 4.5 amp/hr (500 watts/hr) . I use sheets to make a tent for cool air around the bed. I lived without AC for many years, i found a bottle of water to drink (sweat) and a fan worked best.
  • How much of the heat is actually humidity? Air conditioners work in two ways, by reducing the heat but also by reducing the humidity. If you reduce the humidity in a highly-humid environment, you won't be "cool", but at least you won't be as uncomfortable.

Everything that can be invented has been invented. -- Charles Duell, Director of U.S. Patent Office, 1899

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