In article .com, "Dean" wrote:
I've heard that too,,OTOH I've heard it takes energy to cause
motion..Does the fan motor convert 100% of the elec to heat as it moves
the blades? If it does I still would think a separate fan circulating
air from high to low or vice/versa would be the better option,,I've
been wrong before tho..

Eventually, *all* energy winds up being converted to heat.

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Regards,
Doug Miller (alphageek at milmac dot com)

It's time to throw all their damned tea in the harbor again.