Kevin Mark writes:
> After geening a snippet of an article on slashdot last year, it said
> that solar cells are now 48% efficient.

Some extremely expensive experimental solar cells are up to 48% efficient.

> ...it would seem that the cost of investing in solar cells to power
> cooling units would be initially expensive but would be better in the
> lost term.

Insulation would probably be a better investment.
-- 
John Hasler


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