On Wed, Sep 2, 2009 at 2:47 PM, Stephen A. Lawrence<sa...@pobox.com> wrote:
> Gotta ask, how did they measure the heat output? Take a big calorimeter > to do it 'right'. Sort of. Here we are talking huge volumes of water with large temperature changes. The measurements were simple: del T x volume. If I recall, even Ga Tech, my alma mater, measured a COP around 1.4. The didn't sell it as a OU device. It was a rugged water heater. IIRC, even the government is a customer. Terry