On Mon, Jun 3, 2013 at 5:57 PM, Jones Beene <jone...@pacbell.net> wrote:

>
> If the device cannot self-power, it is still valuable with a lower COP,
> the proverbial hot water or space heater -
>


A COP of 3 is not useful if the electricity was made with fossil fuels at
an efficiency of 1/3. That's a wash.

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