Quote:
Originally Posted by oldtamiyaphile
That's because most of the heat comes in through the windows of a typical car.
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I think in hot climates like OZ there's simply nothing can be done to keep the heat out. You may be able to slow the heat rise a little but after an hour there will be little difference. The sun simply has too much energy and short of making all the windows and panels 100mm thick your never going to keep it out.
Even the old school safari roof won't help a lot of the time as the sun is rarely directly overhead.
According to the article leaving windows down was the only effective method to keep heat down. It's the method I use even though it's a security and rain risk.